taxonID	type	description	language	source
B8374D1C58FC561EBF3F85A5D0612793.taxon	description	Figs 2 D, 4 M – P, 5 M – P	en	Klongklaew, Kanyaporn, Poeaim, Supattra, Dumrongrojwattana, Pongrat (2024): Four new species of Georissa W. Blanford, 1864 (Gastropoda, Hydrocenidae) from Thailand. Zoosystematics and Evolution 100 (4): 1347-1360, DOI: 10.3897/zse.100.128717
B8374D1C58FC561EBF3F85A5D0612793.taxon	etymology	Etymology. The specific designation “ digitinota ” is for the fingerprints-like sculpture on the protoconch.	en	Klongklaew, Kanyaporn, Poeaim, Supattra, Dumrongrojwattana, Pongrat (2024): Four new species of Georissa W. Blanford, 1864 (Gastropoda, Hydrocenidae) from Thailand. Zoosystematics and Evolution 100 (4): 1347-1360, DOI: 10.3897/zse.100.128717
B8374D1C58FC561EBF3F85A5D0612793.taxon	diagnosis	Diagnosis. Shell minute, globosely conical, orangish to brownish, protoconch round to slightly ellipsoid and ellipsoidal to irregular sculpture with oval fingerprint-like indentation. Body whorl peripherally rounded with more than 30 spiral lines. Aperture semi-rounded. Umbilicus closed. Operculum corneous with apophysis, paucispiral, opaque white, and semi-rounded.	en	Klongklaew, Kanyaporn, Poeaim, Supattra, Dumrongrojwattana, Pongrat (2024): Four new species of Georissa W. Blanford, 1864 (Gastropoda, Hydrocenidae) from Thailand. Zoosystematics and Evolution 100 (4): 1347-1360, DOI: 10.3897/zse.100.128717
B8374D1C58FC561EBF3F85A5D0612793.taxon	description	Description. Shell minute, dextral, orangish to brownish, globosely conical with 4.25 – 4.5 whorls. Protoconch brownish consists of 1 whorl, round to slightly ellipsoid, covered with ellipsoidal to irregular sculpture and a large oval fingerprint-like indentation present (Fig. 4 N, O). Teleconch, orangish to brownish, consists of 3.25 – 3.5 whorls. Body whorl peripherally rounded, sculptured with more than 30 spiral lines on the body whorl, crossed with very weak oblique growth lines at the basal part of the body whorl (Fig. 4 M). Suture incised. Aperture semi-rounded. Peristome thin, sharp, unexpanded or thickened and not reflected. Umbilicus closed. Operculum paucispiral, nucleus submarginal, corneous, opaque white, semi-rounded, thin, smooth outside surface with apophysis, inside surface with an arched peg arising from base (Fig. 4 P).	en	Klongklaew, Kanyaporn, Poeaim, Supattra, Dumrongrojwattana, Pongrat (2024): Four new species of Georissa W. Blanford, 1864 (Gastropoda, Hydrocenidae) from Thailand. Zoosystematics and Evolution 100 (4): 1347-1360, DOI: 10.3897/zse.100.128717
ACD2BA36C06656F8B932182FD1CE7D49.taxon	description	Figs 2 B, 4 E – H, 5 E – H	en	Klongklaew, Kanyaporn, Poeaim, Supattra, Dumrongrojwattana, Pongrat (2024): Four new species of Georissa W. Blanford, 1864 (Gastropoda, Hydrocenidae) from Thailand. Zoosystematics and Evolution 100 (4): 1347-1360, DOI: 10.3897/zse.100.128717
ACD2BA36C06656F8B932182FD1CE7D49.taxon	etymology	Etymology. This specific designation “ kohsichangensis ” is a district referring to the type locality.	en	Klongklaew, Kanyaporn, Poeaim, Supattra, Dumrongrojwattana, Pongrat (2024): Four new species of Georissa W. Blanford, 1864 (Gastropoda, Hydrocenidae) from Thailand. Zoosystematics and Evolution 100 (4): 1347-1360, DOI: 10.3897/zse.100.128717
ACD2BA36C06656F8B932182FD1CE7D49.taxon	diagnosis	Diagnosis. Shell minute, ovately conical and the upper half part of the whorls is slightly downward, orangish to brownish, protoconch round to slightly ellipsoid and perforated sculpture. Body whorl with 6 – 7 spiral lirae. Aperture rhombate. Umbilicus closed. Operculum corneous with apophysis, paucispiral, opaque white, and rhombate.	en	Klongklaew, Kanyaporn, Poeaim, Supattra, Dumrongrojwattana, Pongrat (2024): Four new species of Georissa W. Blanford, 1864 (Gastropoda, Hydrocenidae) from Thailand. Zoosystematics and Evolution 100 (4): 1347-1360, DOI: 10.3897/zse.100.128717
ACD2BA36C06656F8B932182FD1CE7D49.taxon	description	Description. Shell minute, dextral, orangish to brownish, ovately conical with 4.25 – 4.5 whorls (Fig. 2 B). Protoconch orange, about one whorl, round to slightly ellipsoid, covered with perforated sculpture (Fig. 4 F, G). Teleconch orange 3.25 – 3.5 whorls. The upper half part of the body whorls is slightly downward, sculptured with only strong oblique growth lines, 6 – 7 prominent lirae, weak oblique growth lines present on the half lower part of the body whorls, more densely spaced spiral cords, ca. 6 – 8 cords, at the basal part of the body whorl (Fig. 2 B, 4 E). Suture incised. Aperture rhombate. Peristome thin, sharp, unexpanded or thickened, not reflected. Umbilicus closed. Operculum paucispiral, nucleus submarginal, corneous, opaque white, rhombate shape, thin, smooth outside surface with apophysis, inside surface with an arched peg arising from base (Fig. 4 H).	en	Klongklaew, Kanyaporn, Poeaim, Supattra, Dumrongrojwattana, Pongrat (2024): Four new species of Georissa W. Blanford, 1864 (Gastropoda, Hydrocenidae) from Thailand. Zoosystematics and Evolution 100 (4): 1347-1360, DOI: 10.3897/zse.100.128717
F2A0D22321315721BBF4612DE4450412.taxon	description	Figs 2 A, 4 A – D, 5 A – D	en	Klongklaew, Kanyaporn, Poeaim, Supattra, Dumrongrojwattana, Pongrat (2024): Four new species of Georissa W. Blanford, 1864 (Gastropoda, Hydrocenidae) from Thailand. Zoosystematics and Evolution 100 (4): 1347-1360, DOI: 10.3897/zse.100.128717
F2A0D22321315721BBF4612DE4450412.taxon	etymology	Etymology. The specific designation “ quinquelirata ” indicates the number of lirae on the whorl.	en	Klongklaew, Kanyaporn, Poeaim, Supattra, Dumrongrojwattana, Pongrat (2024): Four new species of Georissa W. Blanford, 1864 (Gastropoda, Hydrocenidae) from Thailand. Zoosystematics and Evolution 100 (4): 1347-1360, DOI: 10.3897/zse.100.128717
F2A0D22321315721BBF4612DE4450412.taxon	diagnosis	Diagnosis. Shell minute, ovately conical, orangish to brownish, protoconch round to slightly ellipsoid and wrinkled sculpture. Body whorl have about 5 – 6 prominent carinae, and between carinae have weak growth lines. Aperture semi-rounded. Umbilicus closed. Operculum corneous with apophysis, paucispiral, opaque white, and semi-rounded.	en	Klongklaew, Kanyaporn, Poeaim, Supattra, Dumrongrojwattana, Pongrat (2024): Four new species of Georissa W. Blanford, 1864 (Gastropoda, Hydrocenidae) from Thailand. Zoosystematics and Evolution 100 (4): 1347-1360, DOI: 10.3897/zse.100.128717
F2A0D22321315721BBF4612DE4450412.taxon	description	Description. Shell minute, dextral, orangish to brownish, ovately conical with 4.25 – 4.5 whorls (Fig. 2 A). Protoconch orange, about one whorl, round to slightly ellipsoid, covered with wrinkled sculpture (Fig. 4 B, C). Teleoconch orange, 3.25 – 3.5 whorls. Body whorl peripherally rounded, sculptured with 5 – 6 prominent carinae, weak growth lines between carinae, intersected by weak oblique growth lines. Basal part of body whorl with approximately 9 – 10 densely spaced spiral cords (Figs 2 A, 4 A). Suture incised. Aperture semi-rounded. Peristome thin, sharp, unexpanded or thickened, not reflected. Umbilicus closed (Figs 2 A, 4 A). Operculum paucispiral, nucleus submarginal, corneous, opaque white, semi-rounded, thin, smooth outside surface with apophysis, inside surface with an arched peg arising from base (Fig. 4 D).	en	Klongklaew, Kanyaporn, Poeaim, Supattra, Dumrongrojwattana, Pongrat (2024): Four new species of Georissa W. Blanford, 1864 (Gastropoda, Hydrocenidae) from Thailand. Zoosystematics and Evolution 100 (4): 1347-1360, DOI: 10.3897/zse.100.128717
D62C173166ED58C696F84F0A08A5ED14.taxon	description	Figs 2 C, 4 I – L, 5 I – L	en	Klongklaew, Kanyaporn, Poeaim, Supattra, Dumrongrojwattana, Pongrat (2024): Four new species of Georissa W. Blanford, 1864 (Gastropoda, Hydrocenidae) from Thailand. Zoosystematics and Evolution 100 (4): 1347-1360, DOI: 10.3897/zse.100.128717
D62C173166ED58C696F84F0A08A5ED14.taxon	etymology	Etymology. The specific designation “ sagitta ” for the prominent oval indentation resembling a target in archery.	en	Klongklaew, Kanyaporn, Poeaim, Supattra, Dumrongrojwattana, Pongrat (2024): Four new species of Georissa W. Blanford, 1864 (Gastropoda, Hydrocenidae) from Thailand. Zoosystematics and Evolution 100 (4): 1347-1360, DOI: 10.3897/zse.100.128717
D62C173166ED58C696F84F0A08A5ED14.taxon	diagnosis	Diagnosis. Shell minute, ovately conical, orangish, protoconch round to slightly ellipsoid and mix of rounded, ellipsoidal to irregular sculpture with oval indentation. Body whorl peripherally rounded with 8 – 9 spiral lirae. Aperture semi-rounded. Umbilicus closed. Operculum corneous with apophysis, paucispiral, opaque white, and semi-rounded.	en	Klongklaew, Kanyaporn, Poeaim, Supattra, Dumrongrojwattana, Pongrat (2024): Four new species of Georissa W. Blanford, 1864 (Gastropoda, Hydrocenidae) from Thailand. Zoosystematics and Evolution 100 (4): 1347-1360, DOI: 10.3897/zse.100.128717
D62C173166ED58C696F84F0A08A5ED14.taxon	description	Description. Shell minute, dextral, orangish to brownish, ovately conical with 4.25 – 4.5 whorls (Fig. 2 C). Protoconch orange consists of 1 whorl, round to slightly ellipsoid, covered with mix of rounded, ellipsoidal to irregular sculpture and a large oval indentation present (Figs 4 J, 4 K). Teleconch orange, consists of 3.25 – 3.5 whorls. Peripherally rounded, sculptured with 8 – 9 prominent lirae on the body whorl, crossed with weak oblique growth lines. Basal part of the body whorl, there are more densely spaced spiral cords, approximately 7 – 8 cords (Figs 2 C, 4 I). Suture incised. Aperture semi-rounded. Peristome thin, sharp, unexpanded or thickened, not reflected. Umbilicus closed. Operculum paucispiral, nucleus submarginal, corneous, opaque white, semi-rounded, thin, smooth outside surface with apophysis, inside surface with an arched peg arising from base (Fig. 4 L).	en	Klongklaew, Kanyaporn, Poeaim, Supattra, Dumrongrojwattana, Pongrat (2024): Four new species of Georissa W. Blanford, 1864 (Gastropoda, Hydrocenidae) from Thailand. Zoosystematics and Evolution 100 (4): 1347-1360, DOI: 10.3897/zse.100.128717
2E6EE014E41C5B01AA39FED3BB5BC41F.taxon	type_taxon	Type species. Georissa pyxis, Benson 1856, by original designation.	en	Klongklaew, Kanyaporn, Poeaim, Supattra, Dumrongrojwattana, Pongrat (2024): Four new species of Georissa W. Blanford, 1864 (Gastropoda, Hydrocenidae) from Thailand. Zoosystematics and Evolution 100 (4): 1347-1360, DOI: 10.3897/zse.100.128717
