Page last updated
Thu 17 July 2025

The Freshwater Mussels (Unionoida) of the World (and other less consequential bivalves)

FM(U)otW(aolcb) is the web version of the MUSSEL Project Database. Follow the links to browse the data or use the custom Google search field. Either way, you win!

Bivalvia | ... | Unionidae | Unioninae | Unionini | Unio

species Unio gontierii Bourguignat, 1856: specimens
     11 available nominal species synonyms (13 total synonyms)

Recent Taxonomic Opinions

Unio crassus gontieri — Graf (2007), Lopes-Lima et al. (2017)
Crassiana musiva gontieri — Kantor et al. (2010)
Eolymnium colchicum — Kantor et al. (2010)
Crassiana mengrelica [sic] — Kantor et al. (2010)
Eolymnium raddei — Kantor et al. (2010)
Crassiana crassa sieversi — Kantor et al. (2010)
Unio stepanoffi — Kantor et al. (2010)
Eolymnium koutaisianum — Kantor et al. (2010)
Crassiana gregorii — Kantor et al. (2010)
Crassiana sobriewskii — Kantor et al. (2010)
Crassiana stevenianiformis — Kantor et al. (2010)
Unio crassus — IUCN (2014), Araujo et al. (2018)
Unio (Eolymnium) colchicus — Vinarski & Kantor (2016)
Unio (Crassiana) mengrelicus [sic] — Vinarski & Kantor (2016)
Unio (Eolymnium) raddei — Vinarski & Kantor (2016)
Unio (Eolymnium) byzantinus — Vinarski & Kantor (2016)
Unio (Crassiana) musivus — Vinarski & Kantor (2016)
Unio (Eolymnium) koutaisiana — Vinarski & Kantor (2016)
Unio (Crassiana) gregorii — Vinarski & Kantor (2016)
Unio (Crassiana) sobrievskii [sic] — Vinarski & Kantor (2016)
Unio (Crassiana) stevenianiformis — Vinarski & Kantor (2016)
Unio gontierii — Lopes-Lima et al. (2024), Hou et al. (2024)

Range

Streams draining to the Black and Caspian Seas in Ukraine to Georgia.

Map of Georeferenced Specimens

There are no specimens for this species in the MUSSELpdb.

Georeferenced Genbank Vouchers

Georgia

RMBH_biv_479_1. (COI) Bzyb River (Bzyb Basin), Georgia (43.187713, 40.291184)

RMBH_biv_479_3. (COI) Bzyb River (Bzyb Basin), Georgia (43.187713, 40.291184)

RMBH_biv_479_4. (COI) Bzyb River (Bzyb Basin), Georgia (43.187713, 40.291184)

RMBH_biv_479_5. (COI) Bzyb River (Bzyb Basin), Georgia (43.187713, 40.291184)

RMBH_biv_479_6. (COI) Bzyb River (Bzyb Basin), Georgia (43.187713, 40.291184)

CIIMAR_BIV1534. (COI, mtGenome, SRA) Inkiti (Bzyb Basin), Georgia (43.179089, 40.319573)

CIIMAR_BIV1535. (COI) Inkiti (Bzyb Basin), Georgia (43.179089, 40.319573)

RMBH_biv_239_1. (COI) Rioni River (Rioni Basin), Georgia (42.223328, 42.695068)

RMBH_biv_239_10. (COI) Rioni River (Rioni Basin), Georgia (42.223328, 42.695068)

RMBH_biv_239_11. (COI) Rioni River (Rioni Basin), Georgia (42.223328, 42.695068)

RMBH_biv_239_12. (COI) Rioni River (Rioni Basin), Georgia (42.223328, 42.695068)

RMBH_biv_239_2. (COI) Rioni River (Rioni Basin), Georgia (42.223328, 42.695068)

RMBH_biv_239_5. (COI) Rioni River (Rioni Basin), Georgia (42.223328, 42.695068)

RMBH_biv_239_6. (COI) Rioni River (Rioni Basin), Georgia (42.223328, 42.695068)

RMBH_biv_239_7. (COI) Rioni River (Rioni Basin), Georgia (42.223328, 42.695068)

RMBH_biv_239_8. (COI) Rioni River (Rioni Basin), Georgia (42.223328, 42.695068)

RMBH_biv_239_9. (COI) Rioni River (Rioni Basin), Georgia (42.223328, 42.695068)