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 elongatulus Pfeiffer, 1825: specimens
     77 available nominal species synonyms (91 total synonyms)

Recent Taxonomic Opinions

Unio mancus — Graf & Cummings (2007), Graf & Cummings (2011), IUCN (2014), Araujo et al. (2018)
Unio elongatulus — Dhora (2009), Bogan (2010), Prie et al. (2012), Prié & Puillandre (2014), Kongim et al. (2015), ... Wu et al. (2024), Wu et al. (2024), Dai et al. (2024), Hou et al. (2024), Dai et al. (2025)
Unio elongatulus elongatulus — Fauna Europaea (2012)
Unio elongatulus glaucinus — Fauna Europaea (2012)
Unio elongatulus pallens — Fauna Europaea (2012)
Unio mancus requienii — Prie (2012)
Unio pictorum — He & Zhuang (2013)
Unio cf. elongatulus — Lopes-Lima et al. (2017)
Unio mancus pallens — Lopes-Lima et al. (2017)

Range

Mediterranean Europe.

Map of Georeferenced Specimens

France

Italy

MZUF_BC_53138. Vipava (Vipacco) River, Savogna d’Isonzo, Gorizia, Friuli-Venezia Giulia, Italy

Sicily

BMNH_1907-12-30-366. Sicily

Georeferenced Genbank Vouchers

Italy

MNCN_N1673. (16S: KX400334, COI: KX399964, go to Genbank) Cestella Lake River, Italy.

MNCN_N1674. (16S: KX400335, COI: KX399965, go to Genbank) ditto.

MNCN_N1675. (16S: KX400336, COI: KX399966, go to Genbank) ditto.

MNHN_IM-2009-12673. (16S: KC703399, COI: JX046578, go to Genbank) Italy: Lake Maggiore.

MNHN_IM-2009-12674. (16S: KC703400, COI: JX046579, go to Genbank) ditto.

MNHN_IM-2009-12675. (16S: KC703401, COI: JX046580, go to Genbank) ditto.

MNCN_N190. (16S: KX400355, COI: KX399981, go to Genbank) Po River, Italy.

MNCN_N191. (16S: KX400356, COI: KX399982, go to Genbank) ditto.

MNCN_N168. (16S: KX400340, COI: KX399970, go to Genbank) Versa (Isonzo) River, Italy.

MNCN_N169. (16S: KX400341, COI: KX399971, go to Genbank) ditto.

MNCN_N170. (16S: KX400342, COI: KX399972, go to Genbank) ditto.

MNCN_N202. (16S: KX400360, COI: KX399986, go to Genbank) Viverone Lake River, Italy.

Montenegro

RMBH_biv_1206_1. (COI: ON648781, go to Genbank) Montenegro: Crnojevića River, Skadar Lake Basin (42.3545781, 19.027754).

RMBH_biv_1206_2. (COI: ON648782, go to Genbank) ditto.

RMBH_biv_1206_7. (COI: ON648783, go to Genbank) ditto.

RMBH_biv_1206_8. (COI: ON648784, go to Genbank) ditto.

RMBH_biv_1206_9. (COI: ON648785, go to Genbank) ditto.

RMBH_biv_1209_1. (COI: ON648794, go to Genbank) Montenegro: Plavnica River, Skadar Lake Basin (42.2722579, 19.2009221).

RMBH_biv_1209_2. (COI: ON648795, go to Genbank) ditto.

RMBH_biv_1209_3. (COI: ON648796, go to Genbank) ditto.

RMBH_biv_1210_1. (COI: ON648797, go to Genbank) Montenegro: Skadar Lake near Donji Murići village (42.1634591, 19.221663).

RMBH_biv_1210_2. (COI: ON648798, go to Genbank) Montenegro: Skadar Lake near Donji Murići village (42.1635, 19.2217).

RMBH_biv_1210_5. (COI: ON648799, go to Genbank) ditto.

Switzerland

NMBE_565038. (16S: OK055614, 28S: OK077601, COI: OK050218, go to Genbank) Ceresio, Agno Camping (45.99222, 8.89857).

NMBE_565039. (16S: OK055615, 28S: OK077602, COI: OK050219, go to Genbank) ditto.

NMBE_565040. (16S: OK055616, 28S: OK077603, COI: OK050220, go to Genbank) ditto.

NMBE_565047. (16S: OK055622, 28S: OK077608, COI: OK050223, go to Genbank) Lac Neuchâtel, La Tène (47.00336, 7.0172).

NMBE_566648. (16S: OK055679, 28S: OK077662, COI: OK050286, go to Genbank) Lac Neuchâtel, La Tène châlets (47.0034, 7.0172).

NMBE_566649. (16S: OK055680, 28S: OK077663, COI: OK050287, go to Genbank) ditto.

NMBE_559879. (16S: OK055595, COI: OK050198, go to Genbank) Lac Neuchâtel, St-Blaise (47.0109, 6.9806).

NMBE_566650. (28S: OK077664, COI: OK050288, go to Genbank) ditto.

NMBE_566651. (COI: OK050289, go to Genbank) ditto.

NMBE_559878. (16S: OK055594, 28S: OK077580, COI: OK050197, go to Genbank) Lac Neuchâtel, Yvonand ancien port (46.8053, 6.7456).

NMBE_566640. (16S: OK055670, 28S: OK077657, COI: OK050277, go to Genbank) Laghetto Demanio, Gudo (46.1659, 8.9466).

NMBE_566641. (16S: OK055671, 28S: OK077658, COI: OK050278, go to Genbank) ditto.

NMBE_565058. (16S: OK055632, 28S: OK077618, COI: OK050234, go to Genbank) Verbano, Ascona Lido (46.14733, 8.77878).

NMBE_565059. (16S: OK055633, 28S: OK077619, COI: OK050235, go to Genbank) ditto.

NMBE_565060. (16S: OK055634, 28S: OK077620, COI: OK050236, go to Genbank) ditto.

NMBE_565061. (16S: OK055635, 28S: OK077621, COI: OK050237, go to Genbank) ditto.

NMBE_565070. (16S: OK055643, 28S: OK077628, COI: OK050243, go to Genbank) Verbano, Tenero Lido (46.1665, 8.8498).

NMBE_565071. (16S: OK055644, 28S: OK077629, COI: OK050244, go to Genbank) ditto.

NMBE_565072. (16S: OK055645, 28S: OK077630, go to Genbank) Verbano, Vira (46.14275, 8.83819).

NMBE_565073. (16S: OK055646, 28S: OK077631, COI: OK050245, go to Genbank) ditto.

NMBE_565074. (16S: OK055647, 28S: OK077632, COI: OK050246, go to Genbank) ditto.

NMBE_565067. (16S: OK055640, 28S: OK077626, COI: OK050242, go to Genbank) Verbano, Vira (46.14275, 8.8382).

NMBE_566617. (16S: OK055672, 28S: OK077659, COI: OK050279, go to Genbank) Weiher Wichenstein, Oberriet SG (47.3251, 9.5585).

NMBE_566642. (16S: OK055673, 28S: OK077660, COI: OK050280, go to Genbank) ditto.

NMBE_566643. (16S: OK055674, COI: OK050281, go to Genbank) ditto.

NMBE_566644. (16S: OK055675, COI: OK050282, go to Genbank) ditto.

NMBE_566645. (16S: OK055676, COI: OK050283, go to Genbank) ditto.

NMBE_566646. (16S: OK055677, COI: OK050284, go to Genbank) ditto.

NMBE_566647. (16S: OK055678, 28S: OK077661, COI: OK050285, go to Genbank) Zugersee, Immensee, Alte Badi SZ (47.1002, 8.47).