taxonID	type	format	identifier	references	title	description	created	creator	contributor	publisher	audience	source	license	rightsHolder	datasetID
992987FDFF84FFE0FF83F9D106836F55.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/14805019/files/figure.png	https://doi.org/10.5281/zenodo.14805019	Figure 3. Shells of Indochinellini species from Assam (outer view of the left valve and inner view of the right valve).(A–H) Indonaia corbis (Hanley, 1856) stat. rev.: topotypes IX-BDH-1 (A), IS-TLM-3 (B), IA-GEL-5 (C), X2-SES (D), X1-SES (E), I2-SES-2 (F), TZ-BDH-2 (G); holotype of Trapezoideus dhanushori Annandale and Prashad, 1921 with its labels (ZSI M11962/2), Dhanushori Stream at a distance of about a mile from Dimapur, Assam (H). (I–K) Pseudoscabies scobina (Hanley, 1856) gen.et comb. nov.: topotypes SC-SES-1 (I), IO-BDH-5 (J), and IO-BDH-4 (K). Scale bars = 10 mm. The shell vouchers of the new samples are deposited in FBRC ZSI (Supporting Information, Dataset S1). Photos: J. Sonowal and D. Kardong (A–G, I–K); A.Mukhopadhyaya and S. Sajan (H).	Figure 3. Shells of Indochinellini species from Assam (outer view of the left valve and inner view of the right valve).(A–H) Indonaia corbis (Hanley, 1856) stat. rev.: topotypes IX-BDH-1 (A), IS-TLM-3 (B), IA-GEL-5 (C), X2-SES (D), X1-SES (E), I2-SES-2 (F), TZ-BDH-2 (G); holotype of Trapezoideus dhanushori Annandale and Prashad, 1921 with its labels (ZSI M11962/2), Dhanushori Stream at a distance of about a mile from Dimapur, Assam (H). (I–K) Pseudoscabies scobina (Hanley, 1856) gen.et comb. nov.: topotypes SC-SES-1 (I), IO-BDH-5 (J), and IO-BDH-4 (K). Scale bars = 10 mm. The shell vouchers of the new samples are deposited in FBRC ZSI (Supporting Information, Dataset S1). Photos: J. Sonowal and D. Kardong (A–G, I–K); A.Mukhopadhyaya and S. Sajan (H).	2024-05-17	Bolotov, Ivan N.;Sonowal, Jyotish;Kardong, Devid;Pasupuleti, Rajeev;Subba Rao, Nalluri V.;Unnikrishnan, Suresh Kumar;Gofarov, Mikhail Y.;Kondakov, Alexander V.;Konopleva, Ekaterina S.;Lyubas, Artem A.;Vikhrev, Ilya V.		Zenodo	biologists	Bolotov, Ivan N.;Sonowal, Jyotish;Kardong, Devid;Pasupuleti, Rajeev;Subba Rao, Nalluri V.;Unnikrishnan, Suresh Kumar;Gofarov, Mikhail Y.;Kondakov, Alexander V.;Konopleva, Ekaterina S.;Lyubas, Artem A.;Vikhrev, Ilya V.			
992987FDFF84FFE0FF83F9D106836F55.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/14805017/files/figure.png	https://doi.org/10.5281/zenodo.14805017	Figure 2. Maximum likelihood (IQ-TREE v.1.6.12) phylogeny of the Parreysiinae based on the combined alignment of the two mitochondrial and one nuclear gene fragments (three codons of COI + 16S rRNA + 28S rRNA). The labels of species recorded from Assam (Brahmaputra River basin) are red.The scale bar indicates the branch lengths.The information on DNA sequences is presented in the Supporting Information, Dataset S2. Outgroup taxa are not shown.	Figure 2. Maximum likelihood (IQ-TREE v.1.6.12) phylogeny of the Parreysiinae based on the combined alignment of the two mitochondrial and one nuclear gene fragments (three codons of COI + 16S rRNA + 28S rRNA). The labels of species recorded from Assam (Brahmaputra River basin) are red.The scale bar indicates the branch lengths.The information on DNA sequences is presented in the Supporting Information, Dataset S2. Outgroup taxa are not shown.	2024-05-17	Bolotov, Ivan N.;Sonowal, Jyotish;Kardong, Devid;Pasupuleti, Rajeev;Subba Rao, Nalluri V.;Unnikrishnan, Suresh Kumar;Gofarov, Mikhail Y.;Kondakov, Alexander V.;Konopleva, Ekaterina S.;Lyubas, Artem A.;Vikhrev, Ilya V.		Zenodo	biologists	Bolotov, Ivan N.;Sonowal, Jyotish;Kardong, Devid;Pasupuleti, Rajeev;Subba Rao, Nalluri V.;Unnikrishnan, Suresh Kumar;Gofarov, Mikhail Y.;Kondakov, Alexander V.;Konopleva, Ekaterina S.;Lyubas, Artem A.;Vikhrev, Ilya V.			
992987FDFF84FFE0FF83F9D106836F55.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/14805015/files/figure.png	https://doi.org/10.5281/zenodo.14805015	Figure 1. Map of the Indian subcontinent with location of the study region (the frame) (A) and enlarged map of the study region in northeastern India (B). Assam is indicated by green filling (A) and cross-hatching (B). Green circles with numbers indicate the sampling localities in Assam:Burhidihing River, Dibrugarh (1); Gelua River, Dhemaji (2); an oxbow lake of Dhansiri River, Golaghat (3); old channel/pond, Telam River basin, Telam, Dhemaji (4); an oxbow lake of Tongani River (Tongani beel), Dhemaji (5); Dhansiri River, Golaghat (6); Sesa River, Dibrugarh (7); and a pond, Sutar Gaon, Kamrup (Rural) District (8). The maps were created using ESRI ArcGIS 10 software (www.esri. com/arcgis); the topographic base of the maps was created with Natural Earth Free Vector and Raster Map Data (www.naturalearthdata.com), Global Self-consistent Hierarchical High-resolution Geography (https://www.soest.hawaii.edu/wessel/gshhg), GEBCO_2022 (https://www. gebco.net/data_and_products/historical_data_sets/#gebco_2022), and Global Edge-matched Subnational Boundaries (https://fieldmaps. io). Maps: Mikhail Yu. Gofarov.	Figure 1. Map of the Indian subcontinent with location of the study region (the frame) (A) and enlarged map of the study region in northeastern India (B). Assam is indicated by green filling (A) and cross-hatching (B). Green circles with numbers indicate the sampling localities in Assam:Burhidihing River, Dibrugarh (1); Gelua River, Dhemaji (2); an oxbow lake of Dhansiri River, Golaghat (3); old channel/pond, Telam River basin, Telam, Dhemaji (4); an oxbow lake of Tongani River (Tongani beel), Dhemaji (5); Dhansiri River, Golaghat (6); Sesa River, Dibrugarh (7); and a pond, Sutar Gaon, Kamrup (Rural) District (8). The maps were created using ESRI ArcGIS 10 software (www.esri. com/arcgis); the topographic base of the maps was created with Natural Earth Free Vector and Raster Map Data (www.naturalearthdata.com), Global Self-consistent Hierarchical High-resolution Geography (https://www.soest.hawaii.edu/wessel/gshhg), GEBCO_2022 (https://www. gebco.net/data_and_products/historical_data_sets/#gebco_2022), and Global Edge-matched Subnational Boundaries (https://fieldmaps. io). Maps: Mikhail Yu. Gofarov.	2024-05-17	Bolotov, Ivan N.;Sonowal, Jyotish;Kardong, Devid;Pasupuleti, Rajeev;Subba Rao, Nalluri V.;Unnikrishnan, Suresh Kumar;Gofarov, Mikhail Y.;Kondakov, Alexander V.;Konopleva, Ekaterina S.;Lyubas, Artem A.;Vikhrev, Ilya V.		Zenodo	biologists	Bolotov, Ivan N.;Sonowal, Jyotish;Kardong, Devid;Pasupuleti, Rajeev;Subba Rao, Nalluri V.;Unnikrishnan, Suresh Kumar;Gofarov, Mikhail Y.;Kondakov, Alexander V.;Konopleva, Ekaterina S.;Lyubas, Artem A.;Vikhrev, Ilya V.			
992987FDFF84FFE9FC99F97A042B68AA.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/14805019/files/figure.png	https://doi.org/10.5281/zenodo.14805019	Figure 3. Shells of Indochinellini species from Assam (outer view of the left valve and inner view of the right valve).(A–H) Indonaia corbis (Hanley, 1856) stat. rev.: topotypes IX-BDH-1 (A), IS-TLM-3 (B), IA-GEL-5 (C), X2-SES (D), X1-SES (E), I2-SES-2 (F), TZ-BDH-2 (G); holotype of Trapezoideus dhanushori Annandale and Prashad, 1921 with its labels (ZSI M11962/2), Dhanushori Stream at a distance of about a mile from Dimapur, Assam (H). (I–K) Pseudoscabies scobina (Hanley, 1856) gen.et comb. nov.: topotypes SC-SES-1 (I), IO-BDH-5 (J), and IO-BDH-4 (K). Scale bars = 10 mm. The shell vouchers of the new samples are deposited in FBRC ZSI (Supporting Information, Dataset S1). Photos: J. Sonowal and D. Kardong (A–G, I–K); A.Mukhopadhyaya and S. Sajan (H).	Figure 3. Shells of Indochinellini species from Assam (outer view of the left valve and inner view of the right valve).(A–H) Indonaia corbis (Hanley, 1856) stat. rev.: topotypes IX-BDH-1 (A), IS-TLM-3 (B), IA-GEL-5 (C), X2-SES (D), X1-SES (E), I2-SES-2 (F), TZ-BDH-2 (G); holotype of Trapezoideus dhanushori Annandale and Prashad, 1921 with its labels (ZSI M11962/2), Dhanushori Stream at a distance of about a mile from Dimapur, Assam (H). (I–K) Pseudoscabies scobina (Hanley, 1856) gen.et comb. nov.: topotypes SC-SES-1 (I), IO-BDH-5 (J), and IO-BDH-4 (K). Scale bars = 10 mm. The shell vouchers of the new samples are deposited in FBRC ZSI (Supporting Information, Dataset S1). Photos: J. Sonowal and D. Kardong (A–G, I–K); A.Mukhopadhyaya and S. Sajan (H).	2024-05-17	Bolotov, Ivan N.;Sonowal, Jyotish;Kardong, Devid;Pasupuleti, Rajeev;Subba Rao, Nalluri V.;Unnikrishnan, Suresh Kumar;Gofarov, Mikhail Y.;Kondakov, Alexander V.;Konopleva, Ekaterina S.;Lyubas, Artem A.;Vikhrev, Ilya V.		Zenodo	biologists	Bolotov, Ivan N.;Sonowal, Jyotish;Kardong, Devid;Pasupuleti, Rajeev;Subba Rao, Nalluri V.;Unnikrishnan, Suresh Kumar;Gofarov, Mikhail Y.;Kondakov, Alexander V.;Konopleva, Ekaterina S.;Lyubas, Artem A.;Vikhrev, Ilya V.			
992987FDFF84FFE9FC99F97A042B68AA.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/14805035/files/figure.png	https://doi.org/10.5281/zenodo.14805035	Figure 7. Habitats of little-known freshwater mussel species in Assam.A, collecting locality of Assamnaia involuta gen. et comb.nov.: a shallow oxbow lake with silt and clay bottom substrate, Dhansiri River valley, Golaghat, 26 March 2022. B, collecting locality of Balwantia soleniformis, Indonaia corbis, Pseudoscabies scobina gen. et comb.nov., and Parreysia marcens: Burhidihing River, Dibrugarh, 22 February 2022. The white arrow shows the river cliff, whose bottom portion houses numerous B. soleniformis burrows; the river cliff is mostly composed by firm ground (hard clay). C, close-up view of an aggregation of B. soleniformis burrows in the river cliff,22 February 2022. Living mussels were extracted from submerged burrows.Photos: J. Sonowal and D. Kardong.	Figure 7. Habitats of little-known freshwater mussel species in Assam.A, collecting locality of Assamnaia involuta gen. et comb.nov.: a shallow oxbow lake with silt and clay bottom substrate, Dhansiri River valley, Golaghat, 26 March 2022. B, collecting locality of Balwantia soleniformis, Indonaia corbis, Pseudoscabies scobina gen. et comb.nov., and Parreysia marcens: Burhidihing River, Dibrugarh, 22 February 2022. The white arrow shows the river cliff, whose bottom portion houses numerous B. soleniformis burrows; the river cliff is mostly composed by firm ground (hard clay). C, close-up view of an aggregation of B. soleniformis burrows in the river cliff,22 February 2022. Living mussels were extracted from submerged burrows.Photos: J. Sonowal and D. Kardong.	2024-05-17	Bolotov, Ivan N.;Sonowal, Jyotish;Kardong, Devid;Pasupuleti, Rajeev;Subba Rao, Nalluri V.;Unnikrishnan, Suresh Kumar;Gofarov, Mikhail Y.;Kondakov, Alexander V.;Konopleva, Ekaterina S.;Lyubas, Artem A.;Vikhrev, Ilya V.		Zenodo	biologists	Bolotov, Ivan N.;Sonowal, Jyotish;Kardong, Devid;Pasupuleti, Rajeev;Subba Rao, Nalluri V.;Unnikrishnan, Suresh Kumar;Gofarov, Mikhail Y.;Kondakov, Alexander V.;Konopleva, Ekaterina S.;Lyubas, Artem A.;Vikhrev, Ilya V.			
992987FDFF8DFFE9FF36F8FE00936F5A.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/14805031/files/figure.png	https://doi.org/10.5281/zenodo.14805031	Figure 6. Shells of Parreysiini species from Assam (outer view of the left valve and inner view of the right valve). A–C, Assamnaia involuta (Hanley, 1856) gen. et comb.nov.: topotypes II-DHN-1 (A), II-DHN-2 (B), and DLS-DU II-D (dead shell; non-sequenced) (C). D–I, Parreysia marcens (Benson, 1862) stat.rev.: topotypes PS-SES-5 (D), PS-SES-1 (E), P1-SES-4 (F), PC-SES-1 (G), PSm-SES-2 (H), and PF-BDH-4 (I). Scale bars = 10 mm.The shell vouchers of the new samples are deposited in FBRC ZSI and DLS-DU (Supporting Information, Dataset S1). Photos:J.Sonowal and D. Kardong.	Figure 6. Shells of Parreysiini species from Assam (outer view of the left valve and inner view of the right valve). A–C, Assamnaia involuta (Hanley, 1856) gen. et comb.nov.: topotypes II-DHN-1 (A), II-DHN-2 (B), and DLS-DU II-D (dead shell; non-sequenced) (C). D–I, Parreysia marcens (Benson, 1862) stat.rev.: topotypes PS-SES-5 (D), PS-SES-1 (E), P1-SES-4 (F), PC-SES-1 (G), PSm-SES-2 (H), and PF-BDH-4 (I). Scale bars = 10 mm.The shell vouchers of the new samples are deposited in FBRC ZSI and DLS-DU (Supporting Information, Dataset S1). Photos:J.Sonowal and D. Kardong.	2024-05-17	Bolotov, Ivan N.;Sonowal, Jyotish;Kardong, Devid;Pasupuleti, Rajeev;Subba Rao, Nalluri V.;Unnikrishnan, Suresh Kumar;Gofarov, Mikhail Y.;Kondakov, Alexander V.;Konopleva, Ekaterina S.;Lyubas, Artem A.;Vikhrev, Ilya V.		Zenodo	biologists	Bolotov, Ivan N.;Sonowal, Jyotish;Kardong, Devid;Pasupuleti, Rajeev;Subba Rao, Nalluri V.;Unnikrishnan, Suresh Kumar;Gofarov, Mikhail Y.;Kondakov, Alexander V.;Konopleva, Ekaterina S.;Lyubas, Artem A.;Vikhrev, Ilya V.			
992987FDFF8DFFE9FF36F8FE00936F5A.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/14805035/files/figure.png	https://doi.org/10.5281/zenodo.14805035	Figure 7. Habitats of little-known freshwater mussel species in Assam.A, collecting locality of Assamnaia involuta gen. et comb.nov.: a shallow oxbow lake with silt and clay bottom substrate, Dhansiri River valley, Golaghat, 26 March 2022. B, collecting locality of Balwantia soleniformis, Indonaia corbis, Pseudoscabies scobina gen. et comb.nov., and Parreysia marcens: Burhidihing River, Dibrugarh, 22 February 2022. The white arrow shows the river cliff, whose bottom portion houses numerous B. soleniformis burrows; the river cliff is mostly composed by firm ground (hard clay). C, close-up view of an aggregation of B. soleniformis burrows in the river cliff,22 February 2022. Living mussels were extracted from submerged burrows.Photos: J. Sonowal and D. Kardong.	Figure 7. Habitats of little-known freshwater mussel species in Assam.A, collecting locality of Assamnaia involuta gen. et comb.nov.: a shallow oxbow lake with silt and clay bottom substrate, Dhansiri River valley, Golaghat, 26 March 2022. B, collecting locality of Balwantia soleniformis, Indonaia corbis, Pseudoscabies scobina gen. et comb.nov., and Parreysia marcens: Burhidihing River, Dibrugarh, 22 February 2022. The white arrow shows the river cliff, whose bottom portion houses numerous B. soleniformis burrows; the river cliff is mostly composed by firm ground (hard clay). C, close-up view of an aggregation of B. soleniformis burrows in the river cliff,22 February 2022. Living mussels were extracted from submerged burrows.Photos: J. Sonowal and D. Kardong.	2024-05-17	Bolotov, Ivan N.;Sonowal, Jyotish;Kardong, Devid;Pasupuleti, Rajeev;Subba Rao, Nalluri V.;Unnikrishnan, Suresh Kumar;Gofarov, Mikhail Y.;Kondakov, Alexander V.;Konopleva, Ekaterina S.;Lyubas, Artem A.;Vikhrev, Ilya V.		Zenodo	biologists	Bolotov, Ivan N.;Sonowal, Jyotish;Kardong, Devid;Pasupuleti, Rajeev;Subba Rao, Nalluri V.;Unnikrishnan, Suresh Kumar;Gofarov, Mikhail Y.;Kondakov, Alexander V.;Konopleva, Ekaterina S.;Lyubas, Artem A.;Vikhrev, Ilya V.			
992987FDFF8DFFE9FF2EFE0C04BB6CB8.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/14805023/files/figure.png	https://doi.org/10.5281/zenodo.14805023	Figure 4. Shells of Lamellidentini species from Assam (sequenced specimens; outer view of the left valve and inner view of the right valve).A, Balwantia soleniformis (Benson, 1836), sample DLS-DU BS-BDH-1. B–G, Lamellidens jenkinsianus (Benson, 1862): topotypes LJ-NKM-2 (B), LJ-NKM-3 (C), L5-NKM-1 (D), L4-NKM-1 (E), L5-NKM-4 (F), and L4-NKM-2 (G). Scale bars = 10 mm. The shell vouchers of the new samples are deposited in FBRC ZSI and DLS-DU (Supporting Information, Dataset S1). Photos:J.Sonowal and D. Kardong.	Figure 4. Shells of Lamellidentini species from Assam (sequenced specimens; outer view of the left valve and inner view of the right valve).A, Balwantia soleniformis (Benson, 1836), sample DLS-DU BS-BDH-1. B–G, Lamellidens jenkinsianus (Benson, 1862): topotypes LJ-NKM-2 (B), LJ-NKM-3 (C), L5-NKM-1 (D), L4-NKM-1 (E), L5-NKM-4 (F), and L4-NKM-2 (G). Scale bars = 10 mm. The shell vouchers of the new samples are deposited in FBRC ZSI and DLS-DU (Supporting Information, Dataset S1). Photos:J.Sonowal and D. Kardong.	2024-05-17	Bolotov, Ivan N.;Sonowal, Jyotish;Kardong, Devid;Pasupuleti, Rajeev;Subba Rao, Nalluri V.;Unnikrishnan, Suresh Kumar;Gofarov, Mikhail Y.;Kondakov, Alexander V.;Konopleva, Ekaterina S.;Lyubas, Artem A.;Vikhrev, Ilya V.		Zenodo	biologists	Bolotov, Ivan N.;Sonowal, Jyotish;Kardong, Devid;Pasupuleti, Rajeev;Subba Rao, Nalluri V.;Unnikrishnan, Suresh Kumar;Gofarov, Mikhail Y.;Kondakov, Alexander V.;Konopleva, Ekaterina S.;Lyubas, Artem A.;Vikhrev, Ilya V.			
992987FDFF8DFFE9FF2EFE0C04BB6CB8.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/14805035/files/figure.png	https://doi.org/10.5281/zenodo.14805035	Figure 7. Habitats of little-known freshwater mussel species in Assam.A, collecting locality of Assamnaia involuta gen. et comb.nov.: a shallow oxbow lake with silt and clay bottom substrate, Dhansiri River valley, Golaghat, 26 March 2022. B, collecting locality of Balwantia soleniformis, Indonaia corbis, Pseudoscabies scobina gen. et comb.nov., and Parreysia marcens: Burhidihing River, Dibrugarh, 22 February 2022. The white arrow shows the river cliff, whose bottom portion houses numerous B. soleniformis burrows; the river cliff is mostly composed by firm ground (hard clay). C, close-up view of an aggregation of B. soleniformis burrows in the river cliff,22 February 2022. Living mussels were extracted from submerged burrows.Photos: J. Sonowal and D. Kardong.	Figure 7. Habitats of little-known freshwater mussel species in Assam.A, collecting locality of Assamnaia involuta gen. et comb.nov.: a shallow oxbow lake with silt and clay bottom substrate, Dhansiri River valley, Golaghat, 26 March 2022. B, collecting locality of Balwantia soleniformis, Indonaia corbis, Pseudoscabies scobina gen. et comb.nov., and Parreysia marcens: Burhidihing River, Dibrugarh, 22 February 2022. The white arrow shows the river cliff, whose bottom portion houses numerous B. soleniformis burrows; the river cliff is mostly composed by firm ground (hard clay). C, close-up view of an aggregation of B. soleniformis burrows in the river cliff,22 February 2022. Living mussels were extracted from submerged burrows.Photos: J. Sonowal and D. Kardong.	2024-05-17	Bolotov, Ivan N.;Sonowal, Jyotish;Kardong, Devid;Pasupuleti, Rajeev;Subba Rao, Nalluri V.;Unnikrishnan, Suresh Kumar;Gofarov, Mikhail Y.;Kondakov, Alexander V.;Konopleva, Ekaterina S.;Lyubas, Artem A.;Vikhrev, Ilya V.		Zenodo	biologists	Bolotov, Ivan N.;Sonowal, Jyotish;Kardong, Devid;Pasupuleti, Rajeev;Subba Rao, Nalluri V.;Unnikrishnan, Suresh Kumar;Gofarov, Mikhail Y.;Kondakov, Alexander V.;Konopleva, Ekaterina S.;Lyubas, Artem A.;Vikhrev, Ilya V.			
992987FDFF8DFFE9FF3BFA5804C66F81.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/14805023/files/figure.png	https://doi.org/10.5281/zenodo.14805023	Figure 4. Shells of Lamellidentini species from Assam (sequenced specimens; outer view of the left valve and inner view of the right valve).A, Balwantia soleniformis (Benson, 1836), sample DLS-DU BS-BDH-1. B–G, Lamellidens jenkinsianus (Benson, 1862): topotypes LJ-NKM-2 (B), LJ-NKM-3 (C), L5-NKM-1 (D), L4-NKM-1 (E), L5-NKM-4 (F), and L4-NKM-2 (G). Scale bars = 10 mm. The shell vouchers of the new samples are deposited in FBRC ZSI and DLS-DU (Supporting Information, Dataset S1). Photos:J.Sonowal and D. Kardong.	Figure 4. Shells of Lamellidentini species from Assam (sequenced specimens; outer view of the left valve and inner view of the right valve).A, Balwantia soleniformis (Benson, 1836), sample DLS-DU BS-BDH-1. B–G, Lamellidens jenkinsianus (Benson, 1862): topotypes LJ-NKM-2 (B), LJ-NKM-3 (C), L5-NKM-1 (D), L4-NKM-1 (E), L5-NKM-4 (F), and L4-NKM-2 (G). Scale bars = 10 mm. The shell vouchers of the new samples are deposited in FBRC ZSI and DLS-DU (Supporting Information, Dataset S1). Photos:J.Sonowal and D. Kardong.	2024-05-17	Bolotov, Ivan N.;Sonowal, Jyotish;Kardong, Devid;Pasupuleti, Rajeev;Subba Rao, Nalluri V.;Unnikrishnan, Suresh Kumar;Gofarov, Mikhail Y.;Kondakov, Alexander V.;Konopleva, Ekaterina S.;Lyubas, Artem A.;Vikhrev, Ilya V.		Zenodo	biologists	Bolotov, Ivan N.;Sonowal, Jyotish;Kardong, Devid;Pasupuleti, Rajeev;Subba Rao, Nalluri V.;Unnikrishnan, Suresh Kumar;Gofarov, Mikhail Y.;Kondakov, Alexander V.;Konopleva, Ekaterina S.;Lyubas, Artem A.;Vikhrev, Ilya V.			
992987FDFF8DFFE9FF3BFA5804C66F81.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/14805025/files/figure.png	https://doi.org/10.5281/zenodo.14805025	Figure 5. Shells of Lamellidens nongyangensis Preston, 1912 (Lamellidentini) (outer view of the left valve and inner view of the right valve). A, holotype ZSI 5068/1 with its label, Lake of No Return (=Nongyang Lake), 27.2192°N, 96.1439°E, Irrawaddy Basin, Myanmar. B–G, sequenced specimens from Assam: samples L1-TLM-3 (B), L2-TLM-2 (C), LL-TNG-4 (D), LN-TNG-3 (E), LU-DHN-2 (F), and LJ-TLM-1 (G). Scale bars = 10 mm. The shell vouchers of the new samples are deposited in FBRC ZSI (Supporting Information, Dataset S1). Photos: N.V.Subba Rao and R. Pasupuleti (A); J. Sonowal and D. Kardong (B–G).	Figure 5. Shells of Lamellidens nongyangensis Preston, 1912 (Lamellidentini) (outer view of the left valve and inner view of the right valve). A, holotype ZSI 5068/1 with its label, Lake of No Return (=Nongyang Lake), 27.2192°N, 96.1439°E, Irrawaddy Basin, Myanmar. B–G, sequenced specimens from Assam: samples L1-TLM-3 (B), L2-TLM-2 (C), LL-TNG-4 (D), LN-TNG-3 (E), LU-DHN-2 (F), and LJ-TLM-1 (G). Scale bars = 10 mm. The shell vouchers of the new samples are deposited in FBRC ZSI (Supporting Information, Dataset S1). Photos: N.V.Subba Rao and R. Pasupuleti (A); J. Sonowal and D. Kardong (B–G).	2024-05-17	Bolotov, Ivan N.;Sonowal, Jyotish;Kardong, Devid;Pasupuleti, Rajeev;Subba Rao, Nalluri V.;Unnikrishnan, Suresh Kumar;Gofarov, Mikhail Y.;Kondakov, Alexander V.;Konopleva, Ekaterina S.;Lyubas, Artem A.;Vikhrev, Ilya V.		Zenodo	biologists	Bolotov, Ivan N.;Sonowal, Jyotish;Kardong, Devid;Pasupuleti, Rajeev;Subba Rao, Nalluri V.;Unnikrishnan, Suresh Kumar;Gofarov, Mikhail Y.;Kondakov, Alexander V.;Konopleva, Ekaterina S.;Lyubas, Artem A.;Vikhrev, Ilya V.			
992987FDFF8DFFE8FC6EF97A04D26CBA.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/14805031/files/figure.png	https://doi.org/10.5281/zenodo.14805031	Figure 6. Shells of Parreysiini species from Assam (outer view of the left valve and inner view of the right valve). A–C, Assamnaia involuta (Hanley, 1856) gen. et comb.nov.: topotypes II-DHN-1 (A), II-DHN-2 (B), and DLS-DU II-D (dead shell; non-sequenced) (C). D–I, Parreysia marcens (Benson, 1862) stat.rev.: topotypes PS-SES-5 (D), PS-SES-1 (E), P1-SES-4 (F), PC-SES-1 (G), PSm-SES-2 (H), and PF-BDH-4 (I). Scale bars = 10 mm.The shell vouchers of the new samples are deposited in FBRC ZSI and DLS-DU (Supporting Information, Dataset S1). Photos:J.Sonowal and D. Kardong.	Figure 6. Shells of Parreysiini species from Assam (outer view of the left valve and inner view of the right valve). A–C, Assamnaia involuta (Hanley, 1856) gen. et comb.nov.: topotypes II-DHN-1 (A), II-DHN-2 (B), and DLS-DU II-D (dead shell; non-sequenced) (C). D–I, Parreysia marcens (Benson, 1862) stat.rev.: topotypes PS-SES-5 (D), PS-SES-1 (E), P1-SES-4 (F), PC-SES-1 (G), PSm-SES-2 (H), and PF-BDH-4 (I). Scale bars = 10 mm.The shell vouchers of the new samples are deposited in FBRC ZSI and DLS-DU (Supporting Information, Dataset S1). Photos:J.Sonowal and D. Kardong.	2024-05-17	Bolotov, Ivan N.;Sonowal, Jyotish;Kardong, Devid;Pasupuleti, Rajeev;Subba Rao, Nalluri V.;Unnikrishnan, Suresh Kumar;Gofarov, Mikhail Y.;Kondakov, Alexander V.;Konopleva, Ekaterina S.;Lyubas, Artem A.;Vikhrev, Ilya V.		Zenodo	biologists	Bolotov, Ivan N.;Sonowal, Jyotish;Kardong, Devid;Pasupuleti, Rajeev;Subba Rao, Nalluri V.;Unnikrishnan, Suresh Kumar;Gofarov, Mikhail Y.;Kondakov, Alexander V.;Konopleva, Ekaterina S.;Lyubas, Artem A.;Vikhrev, Ilya V.			
992987FDFF8DFFE8FC6EF97A04D26CBA.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/14805015/files/figure.png	https://doi.org/10.5281/zenodo.14805015	Figure 1. Map of the Indian subcontinent with location of the study region (the frame) (A) and enlarged map of the study region in northeastern India (B). Assam is indicated by green filling (A) and cross-hatching (B). Green circles with numbers indicate the sampling localities in Assam:Burhidihing River, Dibrugarh (1); Gelua River, Dhemaji (2); an oxbow lake of Dhansiri River, Golaghat (3); old channel/pond, Telam River basin, Telam, Dhemaji (4); an oxbow lake of Tongani River (Tongani beel), Dhemaji (5); Dhansiri River, Golaghat (6); Sesa River, Dibrugarh (7); and a pond, Sutar Gaon, Kamrup (Rural) District (8). The maps were created using ESRI ArcGIS 10 software (www.esri. com/arcgis); the topographic base of the maps was created with Natural Earth Free Vector and Raster Map Data (www.naturalearthdata.com), Global Self-consistent Hierarchical High-resolution Geography (https://www.soest.hawaii.edu/wessel/gshhg), GEBCO_2022 (https://www. gebco.net/data_and_products/historical_data_sets/#gebco_2022), and Global Edge-matched Subnational Boundaries (https://fieldmaps. io). Maps: Mikhail Yu. Gofarov.	Figure 1. Map of the Indian subcontinent with location of the study region (the frame) (A) and enlarged map of the study region in northeastern India (B). Assam is indicated by green filling (A) and cross-hatching (B). Green circles with numbers indicate the sampling localities in Assam:Burhidihing River, Dibrugarh (1); Gelua River, Dhemaji (2); an oxbow lake of Dhansiri River, Golaghat (3); old channel/pond, Telam River basin, Telam, Dhemaji (4); an oxbow lake of Tongani River (Tongani beel), Dhemaji (5); Dhansiri River, Golaghat (6); Sesa River, Dibrugarh (7); and a pond, Sutar Gaon, Kamrup (Rural) District (8). The maps were created using ESRI ArcGIS 10 software (www.esri. com/arcgis); the topographic base of the maps was created with Natural Earth Free Vector and Raster Map Data (www.naturalearthdata.com), Global Self-consistent Hierarchical High-resolution Geography (https://www.soest.hawaii.edu/wessel/gshhg), GEBCO_2022 (https://www. gebco.net/data_and_products/historical_data_sets/#gebco_2022), and Global Edge-matched Subnational Boundaries (https://fieldmaps. io). Maps: Mikhail Yu. Gofarov.	2024-05-17	Bolotov, Ivan N.;Sonowal, Jyotish;Kardong, Devid;Pasupuleti, Rajeev;Subba Rao, Nalluri V.;Unnikrishnan, Suresh Kumar;Gofarov, Mikhail Y.;Kondakov, Alexander V.;Konopleva, Ekaterina S.;Lyubas, Artem A.;Vikhrev, Ilya V.		Zenodo	biologists	Bolotov, Ivan N.;Sonowal, Jyotish;Kardong, Devid;Pasupuleti, Rajeev;Subba Rao, Nalluri V.;Unnikrishnan, Suresh Kumar;Gofarov, Mikhail Y.;Kondakov, Alexander V.;Konopleva, Ekaterina S.;Lyubas, Artem A.;Vikhrev, Ilya V.			
