Page last updated
Thu 3 September 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 | Unionoida | Unionoidea | Unionidae | Unioninae | Unionini | Unio

species Unio vicarius Westernlund in Westerlund & Blanc, 1879: specimens
     4 available nominal species synonyms (6 total synonyms)

Recent Taxonomic Opinions

Unio crassus gontieri — Graf (2007)
Eolymnium byzantinum — Kantor et al. (2010)
Unio (Eolymnium) byzantinus — Vinarski & Kantor (2016)
Unio (Crassiana) crassus — Vinarski & Kantor (2016)
Unio bruguierianus — Lopes-Lima et al. (2021)
Unio vicarius — Lopes-Lima et al. (2024), Hou et al. (2024)

Range

From the Balkans east to Romania and Greece.

Map of Georeferenced Specimens

There are no specimens for this species in the MUSSELpdb.

Georeferenced Genbank Vouchers

Albania

CIIMAR_BIV6470. (COI: OR842148, go to Genbank) Devoli River (Seman Basin), Albania (40.655051, 20.955252).

CIIMAR_BIV6471. (COI: OR842149, go to Genbank) ditto.

CIIMAR_BIV6472. (COI: OR842150, go to Genbank) ditto.

CIIMAR_BIV6473. (COI: OR842151, go to Genbank) ditto.

CIIMAR_BIV6490. (COI: OR842152, go to Genbank) ditto.

Bulgaria

CIIMAR_BIV7786. (COI: OR842154, go to Genbank) Belitsa River (Danube Basin), Bulgaria (42.99303, 25.63996).

CIIMAR_BIV7787. (COI: OR842155, go to Genbank) ditto.

CIIMAR_BIV7788. (COI: OR842156, go to Genbank) ditto.

CIIMAR_BIV7789. (COI: OR842157, go to Genbank) ditto.

CIIMAR_BIV7790. (COI: OR842158, go to Genbank) ditto.

CIIMAR_BIV7714. (COI: OR842153, go to Genbank) Chernyalka River (Danube Basin), Bulgaria (43.35463, 24.53318).

CIIMAR_BIV8121. (COI: OR842165, go to Genbank) Struma River (Struma Basin), Bulgaria (42.20096, 22.91336).

CIIMAR_BIV8122. (COI: OR842166, go to Genbank) ditto.

CIIMAR_BIV8123. (COI: OR842167, go to Genbank) ditto.

CIIMAR_BIV8124. (COI: OR842168, go to Genbank) ditto.

CIIMAR_BIV8125. (COI: OR842169, go to Genbank) ditto.

CIIMAR_BIV8100. (COI: OR842160, go to Genbank) Strumeshnitsa River (Struma Basin), Bulgaria (41.396195, 23.026089).

CIIMAR_BIV8101. (COI: OR842161, go to Genbank) ditto.

CIIMAR_BIV8102. (COI: OR842162, go to Genbank) ditto.

CIIMAR_BIV8103. (COI: OR842163, go to Genbank) ditto.

CIIMAR_BIV8104. (COI: OR842164, go to Genbank) ditto.

CIIMAR_BIV7826. (COI: OR842159, go to Genbank) Yantra River (Danube Basin), Bulgaria (43.05922, 25.59749).

Croatia

CIIMAR_BIV6203. (COI: OR842170, go to Genbank) Dobra River (Danube Basin), Croatia (45.5155, 15.47324).

CIIMAR_BIV6204. (COI: OR842171, go to Genbank) ditto.

CIIMAR_BIV6933. (COI: OR842172, go to Genbank) Korana River (Danube Basin), Croatia (45.465889, 15.567194).

CIIMAR_BIV6935. (COI: OR842173, go to Genbank) ditto.

CIIMAR_BIV6936. (COI: OR842174, go to Genbank) ditto.

CIIMAR_BIV6937. (COI: OR842175, go to Genbank) ditto.

Greece

CIIMAR_BIV1279. (COI: OR842176, SRA: SRR26935089, go to Genbank) Aliakmon River (Aliakmon Basin), Greece (40.213155, 21.524011).

CIIMAR_BIV1288. (COI: OR842177, mtGenome: OR912555, SRA: SRR26935072, go to Genbank) ditto.

CIIMAR_BIV1289. (COI: OR842178, go to Genbank) ditto.

CIIMAR_BIV1290. (COI: OR842179, go to Genbank) ditto.

CIIMAR_BIV1291. (COI: OR842180, go to Genbank) ditto.

CIIMAR_BIV1292. (COI: OR842181, go to Genbank) ditto.

MNCN_N1878. (16S: KX400180, COI: KX399867, go to Genbank) ditto.

MNCN_N1882. (16S: KX400181, COI: KX399868, go to Genbank) ditto.

CIIMAR_BIV7487. (COI: OR842182, go to Genbank) Aliakmon River (Aliakmon Basin), Greece (40.585011, 22.46003).

CIIMAR_BIV7323. (COI: OR842195, go to Genbank) Kerkinitis River (Strymónas Basin), Greece (41.20551, 23.07617).

CIIMAR_BIV7324. (COI: OR842196, go to Genbank) ditto.

CIIMAR_BIV7325. (COI: OR842197, go to Genbank) ditto.

CIIMAR_BIV7326. (COI: OR842198, go to Genbank) ditto.

CIIMAR_BIV7327. (COI: OR842199, go to Genbank) ditto.

CIIMAR_BIV7328. (COI: OR842200, go to Genbank) ditto.

MNCN_N1906. (16S: KX400182, COI: KX399869, go to Genbank) Lissos River (Lissos Basin), Greece (41.037246, 25.582804).

MNCN_N1907. (16S: KX400183, COI: KX399870, go to Genbank) ditto.

CIIMAR_BIV7149. (COI: OR842183, go to Genbank) Sofaditikos River (Pinios Basin), Greece (39.31565, 22.0824).

CIIMAR_BIV7150. (COI: OR842184, go to Genbank) ditto.

CIIMAR_BIV7151. (COI: OR842185, go to Genbank) ditto.

CIIMAR_BIV7152. (COI: OR842186, go to Genbank) ditto.

CIIMAR_BIV7153. (COI: OR842187, go to Genbank) ditto.

CIIMAR_BIV7154. (COI: OR842188, go to Genbank) ditto.

MNCN_N1916. (16S: KX400184, COI: KX399871, go to Genbank) ditto.

MNCN_N1917. (16S: KX400185, COI: KX399872, go to Genbank) ditto.

CIIMAR_BIV7118. (COI: OR842189, go to Genbank) Sperchios River (Sperchios Basin), Greece (38.87064, 22.35544).

CIIMAR_BIV7119. (COI: OR842190, go to Genbank) ditto.

CIIMAR_BIV7120. (COI: OR842191, go to Genbank) ditto.

CIIMAR_BIV7121. (COI: OR842192, go to Genbank) ditto.

CIIMAR_BIV7122. (COI: OR842193, go to Genbank) ditto.

CIIMAR_BIV7123. (COI: OR842194, go to Genbank) ditto.

MNCN_N1919. (16S: KX400186, COI: KX399873, go to Genbank) ditto.

MNCN_N1920. (16S: KX400187, COI: KX399874, go to Genbank) ditto.

CIIMAR_BIV7343. (COI: OR842201, go to Genbank) Strymónas River (Strymónas Basin), Greece (41.251202, 23.247203).

CIIMAR_BIV7344. (COI: OR842202, go to Genbank) ditto.

CIIMAR_BIV7345. (COI: OR842203, go to Genbank) ditto.

CIIMAR_BIV7346. (COI: OR842204, go to Genbank) ditto.

Romania

TUM_RNR03. (COI: OR842207, go to Genbank) Nera River (Danube Basin), Romania (44.88634, 21.70864).

TUM_RNR05. (COI: OR842208, go to Genbank) ditto.

TUM_RNR01. (COI: OR842205, SRA: SRR26935102, go to Genbank) Nera River/Lake (Danube Basin), Romania (44.88634, 21.70864).

TUM_RNR02. (COI: OR842206, go to Genbank) ditto.

Turkey

MNCN_N282. (16S: KX400188, COI: KX399875, go to Genbank) Çine River (Büyük Menderes Basin), Türkiye (37.763162, 27.83378).

MNCN_N283. (16S: KX400189, COI: KX399876, go to Genbank) ditto.

MNCN_N284. (16S: KX400190, COI: KX399877, go to Genbank) ditto.

MNCN_N285. (16S: KX400191, COI: KX399878, go to Genbank) ditto.

MNCN_N286. (16S: KX400192, COI: KX399879, go to Genbank) ditto.