taxonID	type	format	identifier	references	title	description	created	creator	contributor	publisher	audience	source	license	rightsHolder	datasetID
03BF87A3C846FFBDFF3DFA7FFA28A2F6.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4550152/files/figure.png	https://doi.org/10.5281/zenodo.4550152	FIGURE 2. Andrusovia dybowskii Brusina in Westerlund, 1903. (a, b, e) Lectotype, locality 26 (CNHM ZMKJ 50). (c, d, f) Paralectotype, locality 26 (CNHM ZMKJ 51). (g, h) Paratype of A. brusinai, locality 22 (MSU Lc-24598). (i–k) Specimen from Baer collection, locality 26 (ZB-M W.Dyb. 70). (l, m, q) Specimen from Baer collection, locality 26 (ZB-M W.Dyb. 28). (n–p) Specimen from Baer collection, locality 26 (ZB-M W.Dyb. 28). (r, v, w) Specimen from Baer collection, locality 26 (ZB-M W.Dyb. 116). (s–u) Specimen from Baer collection, locality 26 (ZB-M W.Dyb. 70). (x) Specimen from Baer collection, locality 26 (ZB-M W.Dyb. 70). (y) Paratype of H. marina, locality 22 (MSU Lc-24614c). (z, ad) Paratype of H. marina, locality 22 (MSU Lc-24614a). (aa) Paratype of H. marina, locality 22 (MSU Lc-24614b). (ab) Specimen from Baer collection, locality 26 (ZB-M W.Dyb. 70). (ac) Specimen from Baer collection, locality 26 (ZB-M W.Dyb. 28). (ae) Paratype of A. andrusovi, locality 18 (MSU Lc-24601). Scale bar = 1 mm.	FIGURE 2. Andrusovia dybowskii Brusina in Westerlund, 1903. (a, b, e) Lectotype, locality 26 (CNHM ZMKJ 50). (c, d, f) Paralectotype, locality 26 (CNHM ZMKJ 51). (g, h) Paratype of A. brusinai, locality 22 (MSU Lc-24598). (i–k) Specimen from Baer collection, locality 26 (ZB-M W.Dyb. 70). (l, m, q) Specimen from Baer collection, locality 26 (ZB-M W.Dyb. 28). (n–p) Specimen from Baer collection, locality 26 (ZB-M W.Dyb. 28). (r, v, w) Specimen from Baer collection, locality 26 (ZB-M W.Dyb. 116). (s–u) Specimen from Baer collection, locality 26 (ZB-M W.Dyb. 70). (x) Specimen from Baer collection, locality 26 (ZB-M W.Dyb. 70). (y) Paratype of H. marina, locality 22 (MSU Lc-24614c). (z, ad) Paratype of H. marina, locality 22 (MSU Lc-24614a). (aa) Paratype of H. marina, locality 22 (MSU Lc-24614b). (ab) Specimen from Baer collection, locality 26 (ZB-M W.Dyb. 70). (ac) Specimen from Baer collection, locality 26 (ZB-M W.Dyb. 28). (ae) Paratype of A. andrusovi, locality 18 (MSU Lc-24601). Scale bar = 1 mm.	2021-02-19	Anistratenko, Vitaliy V.;Neubauer, Thomas A.;Anistratenko, Olga Yu.;Kijashko, Pavel V.;Wesselingh, Frank P.		Zenodo	biologists	Anistratenko, Vitaliy V.;Neubauer, Thomas A.;Anistratenko, Olga Yu.;Kijashko, Pavel V.;Wesselingh, Frank P.			
03BF87A3C846FFBDFF3DFA7FFA28A2F6.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4550154/files/figure.png	https://doi.org/10.5281/zenodo.4550154	FIGURE 3. Protoconch views of Andrusovia dybowskii Brusina in Westerlund, 1903. (a, b, i) Paratype of Horatia marina, locality 22 (MSU Lc-24614). (c, h) Paratype of A. andrusovi, locality 18 (MSU Lc-24601). (d) Specimen from Baer collection, locality 26 (ZB-M W.Dyb. 28). (e, g) Specimen from Baer collection, locality 26 (ZB-M W.Dyb. 70). (f) Specimen from Baer collection, locality 26 (ZB-M W.Dyb. 28). Scale bars = 100 μm.	FIGURE 3. Protoconch views of Andrusovia dybowskii Brusina in Westerlund, 1903. (a, b, i) Paratype of Horatia marina, locality 22 (MSU Lc-24614). (c, h) Paratype of A. andrusovi, locality 18 (MSU Lc-24601). (d) Specimen from Baer collection, locality 26 (ZB-M W.Dyb. 28). (e, g) Specimen from Baer collection, locality 26 (ZB-M W.Dyb. 70). (f) Specimen from Baer collection, locality 26 (ZB-M W.Dyb. 28). Scale bars = 100 μm.	2021-02-19	Anistratenko, Vitaliy V.;Neubauer, Thomas A.;Anistratenko, Olga Yu.;Kijashko, Pavel V.;Wesselingh, Frank P.		Zenodo	biologists	Anistratenko, Vitaliy V.;Neubauer, Thomas A.;Anistratenko, Olga Yu.;Kijashko, Pavel V.;Wesselingh, Frank P.			
03BF87A3C84AFFBBFF3DFF49FE5BA167.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4550158/files/figure.png	https://doi.org/10.5281/zenodo.4550158	FIGURE 4. Andrusovia antecessor sp. nov. from the early Late Pleistocene of Selitrennoye, Astrakhan region, Russia (locality 1). (a, d, g) Paratype (RGM 1309840). (b, c, h) Holotype (RGM 1309839). (e, f, i) Paratype (LV 201509). Scale bars = 500 μm (a–f), 100 μm (g–i).	FIGURE 4. Andrusovia antecessor sp. nov. from the early Late Pleistocene of Selitrennoye, Astrakhan region, Russia (locality 1). (a, d, g) Paratype (RGM 1309840). (b, c, h) Holotype (RGM 1309839). (e, f, i) Paratype (LV 201509). Scale bars = 500 μm (a–f), 100 μm (g–i).	2021-02-19	Anistratenko, Vitaliy V.;Neubauer, Thomas A.;Anistratenko, Olga Yu.;Kijashko, Pavel V.;Wesselingh, Frank P.		Zenodo	biologists	Anistratenko, Vitaliy V.;Neubauer, Thomas A.;Anistratenko, Olga Yu.;Kijashko, Pavel V.;Wesselingh, Frank P.			
03BF87A3C84DFFB9FF3DFBBCFF4DA481.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4550160/files/figure.png	https://doi.org/10.5281/zenodo.4550160	FIGURE 5. Andrusovia cyrensis sp. nov. from the late Holocene of the South Caspian Sea off the Kura delta, Azerbaijan. (a, j, k, r) Holotype, locality 25f (RGM 1310292). (b, m) Paratype, locality 25d (RGM 1310293). (c, d, l, q, s) Paratype, locality 25f (RGM 1310294). (e, f, i, p, t) Paratype, locality 25f (RGM 1310295). (g) Specimen from locality 25d (RGM 1310296). (h, n) Specimen from locality 25f (RGM 1310297). (o) Specimen from locality 25f (RGM 1310298). Scale bars = 500 µm (a–h), 100 µm (i, j, l–q, s, t), 50 µm (k), 10 µm (r).	FIGURE 5. Andrusovia cyrensis sp. nov. from the late Holocene of the South Caspian Sea off the Kura delta, Azerbaijan. (a, j, k, r) Holotype, locality 25f (RGM 1310292). (b, m) Paratype, locality 25d (RGM 1310293). (c, d, l, q, s) Paratype, locality 25f (RGM 1310294). (e, f, i, p, t) Paratype, locality 25f (RGM 1310295). (g) Specimen from locality 25d (RGM 1310296). (h, n) Specimen from locality 25f (RGM 1310297). (o) Specimen from locality 25f (RGM 1310298). Scale bars = 500 µm (a–h), 100 µm (i, j, l–q, s, t), 50 µm (k), 10 µm (r).	2021-02-19	Anistratenko, Vitaliy V.;Neubauer, Thomas A.;Anistratenko, Olga Yu.;Kijashko, Pavel V.;Wesselingh, Frank P.		Zenodo	biologists	Anistratenko, Vitaliy V.;Neubauer, Thomas A.;Anistratenko, Olga Yu.;Kijashko, Pavel V.;Wesselingh, Frank P.			
03BF87A3C84DFFB9FF3DFBBCFF4DA481.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4550152/files/figure.png	https://doi.org/10.5281/zenodo.4550152	FIGURE 2. Andrusovia dybowskii Brusina in Westerlund, 1903. (a, b, e) Lectotype, locality 26 (CNHM ZMKJ 50). (c, d, f) Paralectotype, locality 26 (CNHM ZMKJ 51). (g, h) Paratype of A. brusinai, locality 22 (MSU Lc-24598). (i–k) Specimen from Baer collection, locality 26 (ZB-M W.Dyb. 70). (l, m, q) Specimen from Baer collection, locality 26 (ZB-M W.Dyb. 28). (n–p) Specimen from Baer collection, locality 26 (ZB-M W.Dyb. 28). (r, v, w) Specimen from Baer collection, locality 26 (ZB-M W.Dyb. 116). (s–u) Specimen from Baer collection, locality 26 (ZB-M W.Dyb. 70). (x) Specimen from Baer collection, locality 26 (ZB-M W.Dyb. 70). (y) Paratype of H. marina, locality 22 (MSU Lc-24614c). (z, ad) Paratype of H. marina, locality 22 (MSU Lc-24614a). (aa) Paratype of H. marina, locality 22 (MSU Lc-24614b). (ab) Specimen from Baer collection, locality 26 (ZB-M W.Dyb. 70). (ac) Specimen from Baer collection, locality 26 (ZB-M W.Dyb. 28). (ae) Paratype of A. andrusovi, locality 18 (MSU Lc-24601). Scale bar = 1 mm.	FIGURE 2. Andrusovia dybowskii Brusina in Westerlund, 1903. (a, b, e) Lectotype, locality 26 (CNHM ZMKJ 50). (c, d, f) Paralectotype, locality 26 (CNHM ZMKJ 51). (g, h) Paratype of A. brusinai, locality 22 (MSU Lc-24598). (i–k) Specimen from Baer collection, locality 26 (ZB-M W.Dyb. 70). (l, m, q) Specimen from Baer collection, locality 26 (ZB-M W.Dyb. 28). (n–p) Specimen from Baer collection, locality 26 (ZB-M W.Dyb. 28). (r, v, w) Specimen from Baer collection, locality 26 (ZB-M W.Dyb. 116). (s–u) Specimen from Baer collection, locality 26 (ZB-M W.Dyb. 70). (x) Specimen from Baer collection, locality 26 (ZB-M W.Dyb. 70). (y) Paratype of H. marina, locality 22 (MSU Lc-24614c). (z, ad) Paratype of H. marina, locality 22 (MSU Lc-24614a). (aa) Paratype of H. marina, locality 22 (MSU Lc-24614b). (ab) Specimen from Baer collection, locality 26 (ZB-M W.Dyb. 70). (ac) Specimen from Baer collection, locality 26 (ZB-M W.Dyb. 28). (ae) Paratype of A. andrusovi, locality 18 (MSU Lc-24601). Scale bar = 1 mm.	2021-02-19	Anistratenko, Vitaliy V.;Neubauer, Thomas A.;Anistratenko, Olga Yu.;Kijashko, Pavel V.;Wesselingh, Frank P.		Zenodo	biologists	Anistratenko, Vitaliy V.;Neubauer, Thomas A.;Anistratenko, Olga Yu.;Kijashko, Pavel V.;Wesselingh, Frank P.			
03BF87A3C84FFFA7FF3DFCCFFE0FA436.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4550164/files/figure.png	https://doi.org/10.5281/zenodo.4550164	FIGURE 6. Caspia baerii Clessin & Dybowski in Dybowski, 1887 from the Caspian Sea. (a–c) Lectotype, locality 26 (ZB-M W.Dyb. 96). (d) Paralectotype, locality 26 (ZB-M W.Dyb. 96). (e, k, o, r) Paralectotype, locality 26 (ZB-M W.Dyb. 96). (f, l, p, s). Paralectotype, locality 26 (ZB-M W.Dyb. 97). (g, h) Specimen labelled as “Caspia tadjallipouri, holotype”, locality 7 (ZIN, no number). (i, j) Specimen labelled as “Caspia tadjallipouri, paratype”, locality 7 (ZIN, no number). (m, n) Paralectotype, locality 26 (ZB-M W.Dyb. 95). (q) Specimen labelled as “Caspia tadjallipouri, paratype”, locality 7 (ZIN, no number). Scale bars = 1 mm (a–n), 100 μm (o–s).	FIGURE 6. Caspia baerii Clessin & Dybowski in Dybowski, 1887 from the Caspian Sea. (a–c) Lectotype, locality 26 (ZB-M W.Dyb. 96). (d) Paralectotype, locality 26 (ZB-M W.Dyb. 96). (e, k, o, r) Paralectotype, locality 26 (ZB-M W.Dyb. 96). (f, l, p, s). Paralectotype, locality 26 (ZB-M W.Dyb. 97). (g, h) Specimen labelled as “Caspia tadjallipouri, holotype”, locality 7 (ZIN, no number). (i, j) Specimen labelled as “Caspia tadjallipouri, paratype”, locality 7 (ZIN, no number). (m, n) Paralectotype, locality 26 (ZB-M W.Dyb. 95). (q) Specimen labelled as “Caspia tadjallipouri, paratype”, locality 7 (ZIN, no number). Scale bars = 1 mm (a–n), 100 μm (o–s).	2021-02-19	Anistratenko, Vitaliy V.;Neubauer, Thomas A.;Anistratenko, Olga Yu.;Kijashko, Pavel V.;Wesselingh, Frank P.		Zenodo	biologists	Anistratenko, Vitaliy V.;Neubauer, Thomas A.;Anistratenko, Olga Yu.;Kijashko, Pavel V.;Wesselingh, Frank P.			
03BF87A3C851FFA7FF3DFD0FFE8DA2B5.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4550168/files/figure.png	https://doi.org/10.5281/zenodo.4550168	FIGURE 8. Clathrocaspia brotzkajae (Starobogatov in Anistratenko & Prisjazhnjuk, 1992) from the Middle Caspian Basin. (a, b) Holotype, locality 10 (ZIN #1). (c) Paratype, locality 12 (ZIN, no number). (d, k, l) Paratype, locality 12 (ZIN, no number). (e) Paratype, locality 12 (ZIN, no number). (f) Paratype, locality 12 (ZIN, no number). (g–i) Specimen labelled as “Caspia alighadzhievi, holotype”, locality 6 (ZIN, no number). (j, m) Specimen labelled as “Caspia alighadzhievi, paratype”, locality 11 (ZIN, no number). Scale bars = 1 mm (a–k), 100 μm (l, m).	FIGURE 8. Clathrocaspia brotzkajae (Starobogatov in Anistratenko & Prisjazhnjuk, 1992) from the Middle Caspian Basin. (a, b) Holotype, locality 10 (ZIN #1). (c) Paratype, locality 12 (ZIN, no number). (d, k, l) Paratype, locality 12 (ZIN, no number). (e) Paratype, locality 12 (ZIN, no number). (f) Paratype, locality 12 (ZIN, no number). (g–i) Specimen labelled as “Caspia alighadzhievi, holotype”, locality 6 (ZIN, no number). (j, m) Specimen labelled as “Caspia alighadzhievi, paratype”, locality 11 (ZIN, no number). Scale bars = 1 mm (a–k), 100 μm (l, m).	2021-02-19	Anistratenko, Vitaliy V.;Neubauer, Thomas A.;Anistratenko, Olga Yu.;Kijashko, Pavel V.;Wesselingh, Frank P.		Zenodo	biologists	Anistratenko, Vitaliy V.;Neubauer, Thomas A.;Anistratenko, Olga Yu.;Kijashko, Pavel V.;Wesselingh, Frank P.			
03BF87A3C851FFA7FF3DFE4CFC0DA7F7.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4550166/files/figure.png	https://doi.org/10.5281/zenodo.4550166	FIGURE 7. Comparison of shell characteristics of accepted Clathrocaspia species, with representative specimens (scale bar = 1 mm). Outlines of the Black Sea and Caspian Sea indicate general distributions. The coloured dots indicate whether the species has been encountered alive (green) or only reported from shells (red). Note that the information for C. knipowitschii is based only on C. knipowitschii knipowitschii; the fossil C. knipowitschii aluschtensis was not considered here.	FIGURE 7. Comparison of shell characteristics of accepted Clathrocaspia species, with representative specimens (scale bar = 1 mm). Outlines of the Black Sea and Caspian Sea indicate general distributions. The coloured dots indicate whether the species has been encountered alive (green) or only reported from shells (red). Note that the information for C. knipowitschii is based only on C. knipowitschii knipowitschii; the fossil C. knipowitschii aluschtensis was not considered here.	2021-02-19	Anistratenko, Vitaliy V.;Neubauer, Thomas A.;Anistratenko, Olga Yu.;Kijashko, Pavel V.;Wesselingh, Frank P.		Zenodo	biologists	Anistratenko, Vitaliy V.;Neubauer, Thomas A.;Anistratenko, Olga Yu.;Kijashko, Pavel V.;Wesselingh, Frank P.			
03BF87A3C853FFA3FF3DF9F4FE29A20A.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4550172/files/figure.png	https://doi.org/10.5281/zenodo.4550172	FIGURE 9. Clathrocaspia gaillardi (Tadjalli-Pour, 1977) from the Middle and South Caspian basins. (a–e) Five specimens from locality 13 (ZIN, no number). (f–i) Three specimens labelled as “Caspia subgmelini” from locality 18 (ZIN, no number). (j–n) Five specimens from Holocene deposits of the Kura delta (locality 25d, RGM 1310299–1310303). Scale bar = 1 mm.	FIGURE 9. Clathrocaspia gaillardi (Tadjalli-Pour, 1977) from the Middle and South Caspian basins. (a–e) Five specimens from locality 13 (ZIN, no number). (f–i) Three specimens labelled as “Caspia subgmelini” from locality 18 (ZIN, no number). (j–n) Five specimens from Holocene deposits of the Kura delta (locality 25d, RGM 1310299–1310303). Scale bar = 1 mm.	2021-02-19	Anistratenko, Vitaliy V.;Neubauer, Thomas A.;Anistratenko, Olga Yu.;Kijashko, Pavel V.;Wesselingh, Frank P.		Zenodo	biologists	Anistratenko, Vitaliy V.;Neubauer, Thomas A.;Anistratenko, Olga Yu.;Kijashko, Pavel V.;Wesselingh, Frank P.			
03BF87A3C853FFA3FF3DF9F4FE29A20A.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4550174/files/figure.png	https://doi.org/10.5281/zenodo.4550174	FIGURE 10. Protoconch views of Clathrocaspia gaillardi (Tadjalli-Pour, 1977) from Holocene deposits of the Kura delta. (a, g) RGM 1310299 (locality 25d). (b, h) RGM 1310300 (locality 25d). (c, f) RGM 1310304 (locality 25f). (d) RGM 1310302 (locality 25d). (e) RGM 1310301 (locality 25d). (i) RGM 1310303 (locality 25d). Scale bars = 100 μm.	FIGURE 10. Protoconch views of Clathrocaspia gaillardi (Tadjalli-Pour, 1977) from Holocene deposits of the Kura delta. (a, g) RGM 1310299 (locality 25d). (b, h) RGM 1310300 (locality 25d). (c, f) RGM 1310304 (locality 25f). (d) RGM 1310302 (locality 25d). (e) RGM 1310301 (locality 25d). (i) RGM 1310303 (locality 25d). Scale bars = 100 μm.	2021-02-19	Anistratenko, Vitaliy V.;Neubauer, Thomas A.;Anistratenko, Olga Yu.;Kijashko, Pavel V.;Wesselingh, Frank P.		Zenodo	biologists	Anistratenko, Vitaliy V.;Neubauer, Thomas A.;Anistratenko, Olga Yu.;Kijashko, Pavel V.;Wesselingh, Frank P.			
03BF87A3C854FFA0FF3DFF49FDC3A58E.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4550176/files/figure.png	https://doi.org/10.5281/zenodo.4550176	FIGURE 11. Clathrocaspia gmelinii (Clessin & W. Dybowski in W. Dybowski, 1887) from the Caspian Sea. (a) Lectotype, locality 26 (ZB-M W.Dyb. 77). (b) Paralectotype, locality 26 (ZB-M W.Dyb. 78). (c, d) Paralectotype, locality 26 (ZB-M W.Dyb. 81). (e, f, r, u) Paralectotype, locality 26 (ZB-M W.Dyb. 77). (g) Paralectotype, locality 26 (ZB-M W.Dyb. 81). (h, v) Paralectotype, locality 26 (ZB-M W.Dyb. 116). (i, j) Specimen labelled as “Caspia valkanovi subbaeri, holotype”, locality 3 (ZIN, no number). (k) Probable paratype of Pyrgula sowinskyi, locality 24 (ZIN, no number). (l, m) Probable paratype of P. sowinskyi, locality 24 (ZIN, no number). (n, s) Probable paratype of P. sowinskyi, locality 24 (ZIN, no number). (o, p) Specimen labelled as “Caspia mediocaspica, holotype”, locality 3 (ZIN, no number). (q, t) Paralectotype, locality 26 (ZB-M W.Dyb. 77). Scale bars = 1 mm (a–p), 100 μm (q–v).	FIGURE 11. Clathrocaspia gmelinii (Clessin & W. Dybowski in W. Dybowski, 1887) from the Caspian Sea. (a) Lectotype, locality 26 (ZB-M W.Dyb. 77). (b) Paralectotype, locality 26 (ZB-M W.Dyb. 78). (c, d) Paralectotype, locality 26 (ZB-M W.Dyb. 81). (e, f, r, u) Paralectotype, locality 26 (ZB-M W.Dyb. 77). (g) Paralectotype, locality 26 (ZB-M W.Dyb. 81). (h, v) Paralectotype, locality 26 (ZB-M W.Dyb. 116). (i, j) Specimen labelled as “Caspia valkanovi subbaeri, holotype”, locality 3 (ZIN, no number). (k) Probable paratype of Pyrgula sowinskyi, locality 24 (ZIN, no number). (l, m) Probable paratype of P. sowinskyi, locality 24 (ZIN, no number). (n, s) Probable paratype of P. sowinskyi, locality 24 (ZIN, no number). (o, p) Specimen labelled as “Caspia mediocaspica, holotype”, locality 3 (ZIN, no number). (q, t) Paralectotype, locality 26 (ZB-M W.Dyb. 77). Scale bars = 1 mm (a–p), 100 μm (q–v).	2021-02-19	Anistratenko, Vitaliy V.;Neubauer, Thomas A.;Anistratenko, Olga Yu.;Kijashko, Pavel V.;Wesselingh, Frank P.		Zenodo	biologists	Anistratenko, Vitaliy V.;Neubauer, Thomas A.;Anistratenko, Olga Yu.;Kijashko, Pavel V.;Wesselingh, Frank P.			
03BF87A3C854FFA0FF3DFF49FDC3A58E.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4550182/files/figure.png	https://doi.org/10.5281/zenodo.4550182	FIGURE 13. Clathrocaspia knipowitschii (Makarov, 1938) from the Black Sea Basin. (a, b) Neotype, locality 30b (IZAN 522/1). (c, d) Specimen from locality 30b (IZAN 522/2). (e) C. knipowitschii aluschtensis (Golikov & Starobogatov, 1966), holotype, locality 29 (ZIN 4438/1). (f) Holotype of Pyrgula makarovi, locality 31 (ZIN 4492/1). (g, l, u) Specimen from Holocene deposits, locality 32 (IZAN, no number). (h, m) Specimen from same locality (IZAN, no number). (i, n) Paratype of C. brotzkajae from same locality (IZAN, no number). (j, k) Specimen from locality 30c (UGSB 25234). (o, s, t) Specimen identified as C. makarovi by Anistratenko (2013) from locality 30c (UGSB 25236). (p–r) Specimen from locality 30c (UGSB 25235). Scale bars = 1 mm (a–j, l–o), 500 μm (k), 100 μm (p–t), 50 μm (u).	FIGURE 13. Clathrocaspia knipowitschii (Makarov, 1938) from the Black Sea Basin. (a, b) Neotype, locality 30b (IZAN 522/1). (c, d) Specimen from locality 30b (IZAN 522/2). (e) C. knipowitschii aluschtensis (Golikov & Starobogatov, 1966), holotype, locality 29 (ZIN 4438/1). (f) Holotype of Pyrgula makarovi, locality 31 (ZIN 4492/1). (g, l, u) Specimen from Holocene deposits, locality 32 (IZAN, no number). (h, m) Specimen from same locality (IZAN, no number). (i, n) Paratype of C. brotzkajae from same locality (IZAN, no number). (j, k) Specimen from locality 30c (UGSB 25234). (o, s, t) Specimen identified as C. makarovi by Anistratenko (2013) from locality 30c (UGSB 25236). (p–r) Specimen from locality 30c (UGSB 25235). Scale bars = 1 mm (a–j, l–o), 500 μm (k), 100 μm (p–t), 50 μm (u).	2021-02-19	Anistratenko, Vitaliy V.;Neubauer, Thomas A.;Anistratenko, Olga Yu.;Kijashko, Pavel V.;Wesselingh, Frank P.		Zenodo	biologists	Anistratenko, Vitaliy V.;Neubauer, Thomas A.;Anistratenko, Olga Yu.;Kijashko, Pavel V.;Wesselingh, Frank P.			
03BF87A3C856FFA0FF3DFE94FC24A01E.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4550180/files/figure.png	https://doi.org/10.5281/zenodo.4550180	FIGURE 12. (a, b) Clathrocaspia pallasii (Clessin & Dybowski in Dybowski, 1887), paralectotype, locality 26 (ZB-M W.Dyb. 104). (c, d) C. pallasii, lectotype, locality 26 (ZB-M W.Dyb. 104). (e) C. pallasii, paralectotype, locality 26 (ZB-M W.Dyb. 105). (f) C. pallasii, specimen labelled as “Caspia microcingulifera, paratype”, locality 9 (ZIN, no number). (g, h) C. pallasii, paratype of C. isseli (Logvinenko & Starobogatov, 1969), locality 14 (ZIN, no number). (i, j). C. isseli, paratype, locality 21 (ZIN, no number). (k) C. isseli, specimen misidentified as C. pallasii, locality 16 (ZIN, no number). (l, q) C. isseli, from Holocene deposits of the Kura delta (locality 25f, RGM 1310305). (m, n) C. pallasii, paratype of Pyrgula sowinskyi, locality 24 (ZIN, no number). (o, r) C. pallasii, paralectotype, locality 26 (ZB-M W.Dyb. 105). (p, s) C. pallasii, paralectotype, locality 26 (ZB-M W.Dyb. 74). Scale bars = 1 mm (a–n), 100 μm (o–s).	FIGURE 12. (a, b) Clathrocaspia pallasii (Clessin & Dybowski in Dybowski, 1887), paralectotype, locality 26 (ZB-M W.Dyb. 104). (c, d) C. pallasii, lectotype, locality 26 (ZB-M W.Dyb. 104). (e) C. pallasii, paralectotype, locality 26 (ZB-M W.Dyb. 105). (f) C. pallasii, specimen labelled as “Caspia microcingulifera, paratype”, locality 9 (ZIN, no number). (g, h) C. pallasii, paratype of C. isseli (Logvinenko & Starobogatov, 1969), locality 14 (ZIN, no number). (i, j). C. isseli, paratype, locality 21 (ZIN, no number). (k) C. isseli, specimen misidentified as C. pallasii, locality 16 (ZIN, no number). (l, q) C. isseli, from Holocene deposits of the Kura delta (locality 25f, RGM 1310305). (m, n) C. pallasii, paratype of Pyrgula sowinskyi, locality 24 (ZIN, no number). (o, r) C. pallasii, paralectotype, locality 26 (ZB-M W.Dyb. 105). (p, s) C. pallasii, paralectotype, locality 26 (ZB-M W.Dyb. 74). Scale bars = 1 mm (a–n), 100 μm (o–s).	2021-02-19	Anistratenko, Vitaliy V.;Neubauer, Thomas A.;Anistratenko, Olga Yu.;Kijashko, Pavel V.;Wesselingh, Frank P.		Zenodo	biologists	Anistratenko, Vitaliy V.;Neubauer, Thomas A.;Anistratenko, Olga Yu.;Kijashko, Pavel V.;Wesselingh, Frank P.			
03BF87A3C856FFACFF3DFA64FECBA58E.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4550182/files/figure.png	https://doi.org/10.5281/zenodo.4550182	FIGURE 13. Clathrocaspia knipowitschii (Makarov, 1938) from the Black Sea Basin. (a, b) Neotype, locality 30b (IZAN 522/1). (c, d) Specimen from locality 30b (IZAN 522/2). (e) C. knipowitschii aluschtensis (Golikov & Starobogatov, 1966), holotype, locality 29 (ZIN 4438/1). (f) Holotype of Pyrgula makarovi, locality 31 (ZIN 4492/1). (g, l, u) Specimen from Holocene deposits, locality 32 (IZAN, no number). (h, m) Specimen from same locality (IZAN, no number). (i, n) Paratype of C. brotzkajae from same locality (IZAN, no number). (j, k) Specimen from locality 30c (UGSB 25234). (o, s, t) Specimen identified as C. makarovi by Anistratenko (2013) from locality 30c (UGSB 25236). (p–r) Specimen from locality 30c (UGSB 25235). Scale bars = 1 mm (a–j, l–o), 500 μm (k), 100 μm (p–t), 50 μm (u).	FIGURE 13. Clathrocaspia knipowitschii (Makarov, 1938) from the Black Sea Basin. (a, b) Neotype, locality 30b (IZAN 522/1). (c, d) Specimen from locality 30b (IZAN 522/2). (e) C. knipowitschii aluschtensis (Golikov & Starobogatov, 1966), holotype, locality 29 (ZIN 4438/1). (f) Holotype of Pyrgula makarovi, locality 31 (ZIN 4492/1). (g, l, u) Specimen from Holocene deposits, locality 32 (IZAN, no number). (h, m) Specimen from same locality (IZAN, no number). (i, n) Paratype of C. brotzkajae from same locality (IZAN, no number). (j, k) Specimen from locality 30c (UGSB 25234). (o, s, t) Specimen identified as C. makarovi by Anistratenko (2013) from locality 30c (UGSB 25236). (p–r) Specimen from locality 30c (UGSB 25235). Scale bars = 1 mm (a–j, l–o), 500 μm (k), 100 μm (p–t), 50 μm (u).	2021-02-19	Anistratenko, Vitaliy V.;Neubauer, Thomas A.;Anistratenko, Olga Yu.;Kijashko, Pavel V.;Wesselingh, Frank P.		Zenodo	biologists	Anistratenko, Vitaliy V.;Neubauer, Thomas A.;Anistratenko, Olga Yu.;Kijashko, Pavel V.;Wesselingh, Frank P.			
03BF87A3C85AFFACFF3DFE94FCEAA1E6.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4550182/files/figure.png	https://doi.org/10.5281/zenodo.4550182	FIGURE 13. Clathrocaspia knipowitschii (Makarov, 1938) from the Black Sea Basin. (a, b) Neotype, locality 30b (IZAN 522/1). (c, d) Specimen from locality 30b (IZAN 522/2). (e) C. knipowitschii aluschtensis (Golikov & Starobogatov, 1966), holotype, locality 29 (ZIN 4438/1). (f) Holotype of Pyrgula makarovi, locality 31 (ZIN 4492/1). (g, l, u) Specimen from Holocene deposits, locality 32 (IZAN, no number). (h, m) Specimen from same locality (IZAN, no number). (i, n) Paratype of C. brotzkajae from same locality (IZAN, no number). (j, k) Specimen from locality 30c (UGSB 25234). (o, s, t) Specimen identified as C. makarovi by Anistratenko (2013) from locality 30c (UGSB 25236). (p–r) Specimen from locality 30c (UGSB 25235). Scale bars = 1 mm (a–j, l–o), 500 μm (k), 100 μm (p–t), 50 μm (u).	FIGURE 13. Clathrocaspia knipowitschii (Makarov, 1938) from the Black Sea Basin. (a, b) Neotype, locality 30b (IZAN 522/1). (c, d) Specimen from locality 30b (IZAN 522/2). (e) C. knipowitschii aluschtensis (Golikov & Starobogatov, 1966), holotype, locality 29 (ZIN 4438/1). (f) Holotype of Pyrgula makarovi, locality 31 (ZIN 4492/1). (g, l, u) Specimen from Holocene deposits, locality 32 (IZAN, no number). (h, m) Specimen from same locality (IZAN, no number). (i, n) Paratype of C. brotzkajae from same locality (IZAN, no number). (j, k) Specimen from locality 30c (UGSB 25234). (o, s, t) Specimen identified as C. makarovi by Anistratenko (2013) from locality 30c (UGSB 25236). (p–r) Specimen from locality 30c (UGSB 25235). Scale bars = 1 mm (a–j, l–o), 500 μm (k), 100 μm (p–t), 50 μm (u).	2021-02-19	Anistratenko, Vitaliy V.;Neubauer, Thomas A.;Anistratenko, Olga Yu.;Kijashko, Pavel V.;Wesselingh, Frank P.		Zenodo	biologists	Anistratenko, Vitaliy V.;Neubauer, Thomas A.;Anistratenko, Olga Yu.;Kijashko, Pavel V.;Wesselingh, Frank P.			
03BF87A3C85AFFACFF3DFB3CFDE6A282.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4550186/files/figure.png	https://doi.org/10.5281/zenodo.4550186	FIGURE 14. (a–c) Clathrocaspia logvinenkoi (Golikov & Starobogatov, 1966) from the Don River estuary (locality 27, IZAN 249). Scale bar = 1 mm.	FIGURE 14. (a–c) Clathrocaspia logvinenkoi (Golikov & Starobogatov, 1966) from the Don River estuary (locality 27, IZAN 249). Scale bar = 1 mm.	2021-02-19	Anistratenko, Vitaliy V.;Neubauer, Thomas A.;Anistratenko, Olga Yu.;Kijashko, Pavel V.;Wesselingh, Frank P.		Zenodo	biologists	Anistratenko, Vitaliy V.;Neubauer, Thomas A.;Anistratenko, Olga Yu.;Kijashko, Pavel V.;Wesselingh, Frank P.			
03BF87A3C85DFFAAFF3DFC19FE2AA4DA.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4550180/files/figure.png	https://doi.org/10.5281/zenodo.4550180	FIGURE 12. (a, b) Clathrocaspia pallasii (Clessin & Dybowski in Dybowski, 1887), paralectotype, locality 26 (ZB-M W.Dyb. 104). (c, d) C. pallasii, lectotype, locality 26 (ZB-M W.Dyb. 104). (e) C. pallasii, paralectotype, locality 26 (ZB-M W.Dyb. 105). (f) C. pallasii, specimen labelled as “Caspia microcingulifera, paratype”, locality 9 (ZIN, no number). (g, h) C. pallasii, paratype of C. isseli (Logvinenko & Starobogatov, 1969), locality 14 (ZIN, no number). (i, j). C. isseli, paratype, locality 21 (ZIN, no number). (k) C. isseli, specimen misidentified as C. pallasii, locality 16 (ZIN, no number). (l, q) C. isseli, from Holocene deposits of the Kura delta (locality 25f, RGM 1310305). (m, n) C. pallasii, paratype of Pyrgula sowinskyi, locality 24 (ZIN, no number). (o, r) C. pallasii, paralectotype, locality 26 (ZB-M W.Dyb. 105). (p, s) C. pallasii, paralectotype, locality 26 (ZB-M W.Dyb. 74). Scale bars = 1 mm (a–n), 100 μm (o–s).	FIGURE 12. (a, b) Clathrocaspia pallasii (Clessin & Dybowski in Dybowski, 1887), paralectotype, locality 26 (ZB-M W.Dyb. 104). (c, d) C. pallasii, lectotype, locality 26 (ZB-M W.Dyb. 104). (e) C. pallasii, paralectotype, locality 26 (ZB-M W.Dyb. 105). (f) C. pallasii, specimen labelled as “Caspia microcingulifera, paratype”, locality 9 (ZIN, no number). (g, h) C. pallasii, paratype of C. isseli (Logvinenko & Starobogatov, 1969), locality 14 (ZIN, no number). (i, j). C. isseli, paratype, locality 21 (ZIN, no number). (k) C. isseli, specimen misidentified as C. pallasii, locality 16 (ZIN, no number). (l, q) C. isseli, from Holocene deposits of the Kura delta (locality 25f, RGM 1310305). (m, n) C. pallasii, paratype of Pyrgula sowinskyi, locality 24 (ZIN, no number). (o, r) C. pallasii, paralectotype, locality 26 (ZB-M W.Dyb. 105). (p, s) C. pallasii, paralectotype, locality 26 (ZB-M W.Dyb. 74). Scale bars = 1 mm (a–n), 100 μm (o–s).	2021-02-19	Anistratenko, Vitaliy V.;Neubauer, Thomas A.;Anistratenko, Olga Yu.;Kijashko, Pavel V.;Wesselingh, Frank P.		Zenodo	biologists	Anistratenko, Vitaliy V.;Neubauer, Thomas A.;Anistratenko, Olga Yu.;Kijashko, Pavel V.;Wesselingh, Frank P.			
03BF87A3C85CFFA9FF3DFD43FB22A6D2.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4550188/files/figure.png	https://doi.org/10.5281/zenodo.4550188	FIGURE 15. (a, b, f–i) Ulskia schorygini (Logvinenko & Starobogatov, 1969): (a, b) Holotype (ZIN 4357/1); (f, g) Paratype (ZIN #9); (h, i) Paratype (ZIN #9). (c, d) U. cf. schorygini, specimen labelled as “Caspia turrita, paratype 2” (ZIN, no number). (e, j). Caspiella? sp., specimen labelled as “Caspia turrita, holotype” (ZIN, no number). All material from the South Caspian Basin off Apsheron Peninsula (locality 15). Scale bar = 1 mm.	FIGURE 15. (a, b, f–i) Ulskia schorygini (Logvinenko & Starobogatov, 1969): (a, b) Holotype (ZIN 4357/1); (f, g) Paratype (ZIN #9); (h, i) Paratype (ZIN #9). (c, d) U. cf. schorygini, specimen labelled as “Caspia turrita, paratype 2” (ZIN, no number). (e, j). Caspiella? sp., specimen labelled as “Caspia turrita, holotype” (ZIN, no number). All material from the South Caspian Basin off Apsheron Peninsula (locality 15). Scale bar = 1 mm.	2021-02-19	Anistratenko, Vitaliy V.;Neubauer, Thomas A.;Anistratenko, Olga Yu.;Kijashko, Pavel V.;Wesselingh, Frank P.		Zenodo	biologists	Anistratenko, Vitaliy V.;Neubauer, Thomas A.;Anistratenko, Olga Yu.;Kijashko, Pavel V.;Wesselingh, Frank P.			
03BF87A3C85CFFA9FF3DFD43FB22A6D2.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4550190/files/figure.png	https://doi.org/10.5281/zenodo.4550190	FIGURE 16. Ulskia ulskii (Clessin & Dybowski in Dybowski, 1887) from the Caspian Sea Basin. (a) Lectotype, locality 26 (ZB-M W.Dyb. 76). (b) Paralectotype, locality 26 (ZB-M W.Dyb. 78). (c) Paralectotype, locality 26 (ZB-M W.Dyb. 78). (d) Paralectotype, locality 26 (ZB-M W.Dyb. 76). (e) Paralectotype, locality 26 (ZB-M W.Dyb. 76). (f, k) Specimen from locality 17 (ZIN, no number). (g, h) Holotype of Pyrgula nana, locality 15 (ZIN, no number). (i, j) Specimen labelled as “Caspia clessiniolaeformis, holotype”, locality 17 (ZIN, no number). (l) Holotype of Pyrgula behningi, locality 23 (ZIN #1). (m) Paratype of P. behningi, locality 14 (ZIN #2). (n, o) Paratype of P. behningi, locality 14 (ZIN #2). (p–s, u) Five specimens from the Holocene of the Kura delta (localities 25d and 25f, RGM 1310306–1310310). (t, v–z) Three specimens from Selitrennoye (locality 1, RGM 1309810, 1309809, 1309856). Scale bar = 1 mm.	FIGURE 16. Ulskia ulskii (Clessin & Dybowski in Dybowski, 1887) from the Caspian Sea Basin. (a) Lectotype, locality 26 (ZB-M W.Dyb. 76). (b) Paralectotype, locality 26 (ZB-M W.Dyb. 78). (c) Paralectotype, locality 26 (ZB-M W.Dyb. 78). (d) Paralectotype, locality 26 (ZB-M W.Dyb. 76). (e) Paralectotype, locality 26 (ZB-M W.Dyb. 76). (f, k) Specimen from locality 17 (ZIN, no number). (g, h) Holotype of Pyrgula nana, locality 15 (ZIN, no number). (i, j) Specimen labelled as “Caspia clessiniolaeformis, holotype”, locality 17 (ZIN, no number). (l) Holotype of Pyrgula behningi, locality 23 (ZIN #1). (m) Paratype of P. behningi, locality 14 (ZIN #2). (n, o) Paratype of P. behningi, locality 14 (ZIN #2). (p–s, u) Five specimens from the Holocene of the Kura delta (localities 25d and 25f, RGM 1310306–1310310). (t, v–z) Three specimens from Selitrennoye (locality 1, RGM 1309810, 1309809, 1309856). Scale bar = 1 mm.	2021-02-19	Anistratenko, Vitaliy V.;Neubauer, Thomas A.;Anistratenko, Olga Yu.;Kijashko, Pavel V.;Wesselingh, Frank P.		Zenodo	biologists	Anistratenko, Vitaliy V.;Neubauer, Thomas A.;Anistratenko, Olga Yu.;Kijashko, Pavel V.;Wesselingh, Frank P.			
03BF87A3C85FFF96FF3DFC28FEB3A7BA.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4550190/files/figure.png	https://doi.org/10.5281/zenodo.4550190	FIGURE 16. Ulskia ulskii (Clessin & Dybowski in Dybowski, 1887) from the Caspian Sea Basin. (a) Lectotype, locality 26 (ZB-M W.Dyb. 76). (b) Paralectotype, locality 26 (ZB-M W.Dyb. 78). (c) Paralectotype, locality 26 (ZB-M W.Dyb. 78). (d) Paralectotype, locality 26 (ZB-M W.Dyb. 76). (e) Paralectotype, locality 26 (ZB-M W.Dyb. 76). (f, k) Specimen from locality 17 (ZIN, no number). (g, h) Holotype of Pyrgula nana, locality 15 (ZIN, no number). (i, j) Specimen labelled as “Caspia clessiniolaeformis, holotype”, locality 17 (ZIN, no number). (l) Holotype of Pyrgula behningi, locality 23 (ZIN #1). (m) Paratype of P. behningi, locality 14 (ZIN #2). (n, o) Paratype of P. behningi, locality 14 (ZIN #2). (p–s, u) Five specimens from the Holocene of the Kura delta (localities 25d and 25f, RGM 1310306–1310310). (t, v–z) Three specimens from Selitrennoye (locality 1, RGM 1309810, 1309809, 1309856). Scale bar = 1 mm.	FIGURE 16. Ulskia ulskii (Clessin & Dybowski in Dybowski, 1887) from the Caspian Sea Basin. (a) Lectotype, locality 26 (ZB-M W.Dyb. 76). (b) Paralectotype, locality 26 (ZB-M W.Dyb. 78). (c) Paralectotype, locality 26 (ZB-M W.Dyb. 78). (d) Paralectotype, locality 26 (ZB-M W.Dyb. 76). (e) Paralectotype, locality 26 (ZB-M W.Dyb. 76). (f, k) Specimen from locality 17 (ZIN, no number). (g, h) Holotype of Pyrgula nana, locality 15 (ZIN, no number). (i, j) Specimen labelled as “Caspia clessiniolaeformis, holotype”, locality 17 (ZIN, no number). (l) Holotype of Pyrgula behningi, locality 23 (ZIN #1). (m) Paratype of P. behningi, locality 14 (ZIN #2). (n, o) Paratype of P. behningi, locality 14 (ZIN #2). (p–s, u) Five specimens from the Holocene of the Kura delta (localities 25d and 25f, RGM 1310306–1310310). (t, v–z) Three specimens from Selitrennoye (locality 1, RGM 1309810, 1309809, 1309856). Scale bar = 1 mm.	2021-02-19	Anistratenko, Vitaliy V.;Neubauer, Thomas A.;Anistratenko, Olga Yu.;Kijashko, Pavel V.;Wesselingh, Frank P.		Zenodo	biologists	Anistratenko, Vitaliy V.;Neubauer, Thomas A.;Anistratenko, Olga Yu.;Kijashko, Pavel V.;Wesselingh, Frank P.			
03BF87A3C85FFF96FF3DFC28FEB3A7BA.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4550192/files/figure.png	https://doi.org/10.5281/zenodo.4550192	FIGURE 17. Protoconch views of Ulskia ulskii (Clessin & Dybowski in Dybowski, 1887). (a) Paralectotype, locality 26 (ZB- M W.Dyb. 76). (b, j, m) Paralectotype, locality 26 (ZB-M W.Dyb. 116). (c, i) Specimen from the Holocene of the Kura delta (locality 25f, RGM 1310308). (d, k) Specimen from the same area (locality 25d, RGM 1310310). (e) Specimen from the same area (locality 25f, RGM 1310306). (f, l) Specimen from the same area (locality 25d, RGM 1310309). (g, h, n, o) Specimen from the same area (locality 25d, RGM 1310307). Scale bar = 100 μm.	FIGURE 17. Protoconch views of Ulskia ulskii (Clessin & Dybowski in Dybowski, 1887). (a) Paralectotype, locality 26 (ZB- M W.Dyb. 76). (b, j, m) Paralectotype, locality 26 (ZB-M W.Dyb. 116). (c, i) Specimen from the Holocene of the Kura delta (locality 25f, RGM 1310308). (d, k) Specimen from the same area (locality 25d, RGM 1310310). (e) Specimen from the same area (locality 25f, RGM 1310306). (f, l) Specimen from the same area (locality 25d, RGM 1310309). (g, h, n, o) Specimen from the same area (locality 25d, RGM 1310307). Scale bar = 100 μm.	2021-02-19	Anistratenko, Vitaliy V.;Neubauer, Thomas A.;Anistratenko, Olga Yu.;Kijashko, Pavel V.;Wesselingh, Frank P.		Zenodo	biologists	Anistratenko, Vitaliy V.;Neubauer, Thomas A.;Anistratenko, Olga Yu.;Kijashko, Pavel V.;Wesselingh, Frank P.			
03BF87A3C860FF95FF3DFAC8FE24A58F.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4550196/files/figure.png	https://doi.org/10.5281/zenodo.4550196	FIGURE 18. Doubtful species. (a, b) Clathrocaspia sp., labelled as “Caspia microcingulifera, holotype”, locality 6 (ZIN, no number). (c–f) Clathrocaspia sp., labelled as “Caspia microcingulifera, paratype”, locality 9 (ZIN, no number). (g, h) Clathrocaspia valkanovi, holotype, locality 28 (ZIN 4367/1). (i) Clathrocaspia stanislavi, reconstruction of the holotype (after Alexenko and Starobogatov 1987), locality 30a. (j, k) Paratype of C. stanislavi, locality 30d (NMNH NASU, IKOFZ-It-167). (l) C. stanislavi, locality 30a (det. T.L. Alexenko; UGSB 25237). (m) C. stanislavi from Holocene deposits, locality 32 (IZAN, no number). Scale bars = 1 mm (a–d, g–m), 100 μm (e, f).	FIGURE 18. Doubtful species. (a, b) Clathrocaspia sp., labelled as “Caspia microcingulifera, holotype”, locality 6 (ZIN, no number). (c–f) Clathrocaspia sp., labelled as “Caspia microcingulifera, paratype”, locality 9 (ZIN, no number). (g, h) Clathrocaspia valkanovi, holotype, locality 28 (ZIN 4367/1). (i) Clathrocaspia stanislavi, reconstruction of the holotype (after Alexenko and Starobogatov 1987), locality 30a. (j, k) Paratype of C. stanislavi, locality 30d (NMNH NASU, IKOFZ-It-167). (l) C. stanislavi, locality 30a (det. T.L. Alexenko; UGSB 25237). (m) C. stanislavi from Holocene deposits, locality 32 (IZAN, no number). Scale bars = 1 mm (a–d, g–m), 100 μm (e, f).	2021-02-19	Anistratenko, Vitaliy V.;Neubauer, Thomas A.;Anistratenko, Olga Yu.;Kijashko, Pavel V.;Wesselingh, Frank P.		Zenodo	biologists	Anistratenko, Vitaliy V.;Neubauer, Thomas A.;Anistratenko, Olga Yu.;Kijashko, Pavel V.;Wesselingh, Frank P.			
03BF87A3C863FF94FF3DFEE1FD72A482.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4550196/files/figure.png	https://doi.org/10.5281/zenodo.4550196	FIGURE 18. Doubtful species. (a, b) Clathrocaspia sp., labelled as “Caspia microcingulifera, holotype”, locality 6 (ZIN, no number). (c–f) Clathrocaspia sp., labelled as “Caspia microcingulifera, paratype”, locality 9 (ZIN, no number). (g, h) Clathrocaspia valkanovi, holotype, locality 28 (ZIN 4367/1). (i) Clathrocaspia stanislavi, reconstruction of the holotype (after Alexenko and Starobogatov 1987), locality 30a. (j, k) Paratype of C. stanislavi, locality 30d (NMNH NASU, IKOFZ-It-167). (l) C. stanislavi, locality 30a (det. T.L. Alexenko; UGSB 25237). (m) C. stanislavi from Holocene deposits, locality 32 (IZAN, no number). Scale bars = 1 mm (a–d, g–m), 100 μm (e, f).	FIGURE 18. Doubtful species. (a, b) Clathrocaspia sp., labelled as “Caspia microcingulifera, holotype”, locality 6 (ZIN, no number). (c–f) Clathrocaspia sp., labelled as “Caspia microcingulifera, paratype”, locality 9 (ZIN, no number). (g, h) Clathrocaspia valkanovi, holotype, locality 28 (ZIN 4367/1). (i) Clathrocaspia stanislavi, reconstruction of the holotype (after Alexenko and Starobogatov 1987), locality 30a. (j, k) Paratype of C. stanislavi, locality 30d (NMNH NASU, IKOFZ-It-167). (l) C. stanislavi, locality 30a (det. T.L. Alexenko; UGSB 25237). (m) C. stanislavi from Holocene deposits, locality 32 (IZAN, no number). Scale bars = 1 mm (a–d, g–m), 100 μm (e, f).	2021-02-19	Anistratenko, Vitaliy V.;Neubauer, Thomas A.;Anistratenko, Olga Yu.;Kijashko, Pavel V.;Wesselingh, Frank P.		Zenodo	biologists	Anistratenko, Vitaliy V.;Neubauer, Thomas A.;Anistratenko, Olga Yu.;Kijashko, Pavel V.;Wesselingh, Frank P.			
03BF87A3C863FF94FF3DFEE1FD72A482.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4550182/files/figure.png	https://doi.org/10.5281/zenodo.4550182	FIGURE 13. Clathrocaspia knipowitschii (Makarov, 1938) from the Black Sea Basin. (a, b) Neotype, locality 30b (IZAN 522/1). (c, d) Specimen from locality 30b (IZAN 522/2). (e) C. knipowitschii aluschtensis (Golikov & Starobogatov, 1966), holotype, locality 29 (ZIN 4438/1). (f) Holotype of Pyrgula makarovi, locality 31 (ZIN 4492/1). (g, l, u) Specimen from Holocene deposits, locality 32 (IZAN, no number). (h, m) Specimen from same locality (IZAN, no number). (i, n) Paratype of C. brotzkajae from same locality (IZAN, no number). (j, k) Specimen from locality 30c (UGSB 25234). (o, s, t) Specimen identified as C. makarovi by Anistratenko (2013) from locality 30c (UGSB 25236). (p–r) Specimen from locality 30c (UGSB 25235). Scale bars = 1 mm (a–j, l–o), 500 μm (k), 100 μm (p–t), 50 μm (u).	FIGURE 13. Clathrocaspia knipowitschii (Makarov, 1938) from the Black Sea Basin. (a, b) Neotype, locality 30b (IZAN 522/1). (c, d) Specimen from locality 30b (IZAN 522/2). (e) C. knipowitschii aluschtensis (Golikov & Starobogatov, 1966), holotype, locality 29 (ZIN 4438/1). (f) Holotype of Pyrgula makarovi, locality 31 (ZIN 4492/1). (g, l, u) Specimen from Holocene deposits, locality 32 (IZAN, no number). (h, m) Specimen from same locality (IZAN, no number). (i, n) Paratype of C. brotzkajae from same locality (IZAN, no number). (j, k) Specimen from locality 30c (UGSB 25234). (o, s, t) Specimen identified as C. makarovi by Anistratenko (2013) from locality 30c (UGSB 25236). (p–r) Specimen from locality 30c (UGSB 25235). Scale bars = 1 mm (a–j, l–o), 500 μm (k), 100 μm (p–t), 50 μm (u).	2021-02-19	Anistratenko, Vitaliy V.;Neubauer, Thomas A.;Anistratenko, Olga Yu.;Kijashko, Pavel V.;Wesselingh, Frank P.		Zenodo	biologists	Anistratenko, Vitaliy V.;Neubauer, Thomas A.;Anistratenko, Olga Yu.;Kijashko, Pavel V.;Wesselingh, Frank P.			
03BF87A3C862FF94FF3DFC32FDFDA3D4.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4550200/files/figure.png	https://doi.org/10.5281/zenodo.4550200	FIGURE 19. Species no longer considered Caspiinae. (a–e) Laevicaspia obventicia (Anistratenko in Anistratenko & Prisjazhnjuk, 1992), holotype (IZAN, no number). (f, g) Laevicaspia derzhavini (Logvinenko & Starobogatov, 1969), probable paratype, locality 21 (ZIN, no number). (h–k) L. derzhavini, probable paratype, locality 21 (ZIN, no number). Scale bars = 1 mm (a–c, f–j), 100 μm (d, e, k).	FIGURE 19. Species no longer considered Caspiinae. (a–e) Laevicaspia obventicia (Anistratenko in Anistratenko & Prisjazhnjuk, 1992), holotype (IZAN, no number). (f, g) Laevicaspia derzhavini (Logvinenko & Starobogatov, 1969), probable paratype, locality 21 (ZIN, no number). (h–k) L. derzhavini, probable paratype, locality 21 (ZIN, no number). Scale bars = 1 mm (a–c, f–j), 100 μm (d, e, k).	2021-02-19	Anistratenko, Vitaliy V.;Neubauer, Thomas A.;Anistratenko, Olga Yu.;Kijashko, Pavel V.;Wesselingh, Frank P.		Zenodo	biologists	Anistratenko, Vitaliy V.;Neubauer, Thomas A.;Anistratenko, Olga Yu.;Kijashko, Pavel V.;Wesselingh, Frank P.			
03BF87A3C862FF93FF3DF92AFB38A4A6.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4550200/files/figure.png	https://doi.org/10.5281/zenodo.4550200	FIGURE 19. Species no longer considered Caspiinae. (a–e) Laevicaspia obventicia (Anistratenko in Anistratenko & Prisjazhnjuk, 1992), holotype (IZAN, no number). (f, g) Laevicaspia derzhavini (Logvinenko & Starobogatov, 1969), probable paratype, locality 21 (ZIN, no number). (h–k) L. derzhavini, probable paratype, locality 21 (ZIN, no number). Scale bars = 1 mm (a–c, f–j), 100 μm (d, e, k).	FIGURE 19. Species no longer considered Caspiinae. (a–e) Laevicaspia obventicia (Anistratenko in Anistratenko & Prisjazhnjuk, 1992), holotype (IZAN, no number). (f, g) Laevicaspia derzhavini (Logvinenko & Starobogatov, 1969), probable paratype, locality 21 (ZIN, no number). (h–k) L. derzhavini, probable paratype, locality 21 (ZIN, no number). Scale bars = 1 mm (a–c, f–j), 100 μm (d, e, k).	2021-02-19	Anistratenko, Vitaliy V.;Neubauer, Thomas A.;Anistratenko, Olga Yu.;Kijashko, Pavel V.;Wesselingh, Frank P.		Zenodo	biologists	Anistratenko, Vitaliy V.;Neubauer, Thomas A.;Anistratenko, Olga Yu.;Kijashko, Pavel V.;Wesselingh, Frank P.			
