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Unionidae

Margaritiferidae

Hyriidae

Etheriidae

Mycetopodidae

Iridinidae


Species & Genus Richness by
Taxonomy

Geography

Summary

North America

Central America

South America

Afrotropics

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East Asia

Australasia


Species Richness & Endemism by
Geography

Data last updated
Mon 1 Dec 2025

Publication Lopes-Lima et al. (2024): taxonomic opinions

publication summary | cladograms

Complete Citation

Lopes-Lima, M., J. Geist, S. Egg, L. Beran, A. Bikashvili et al. 2024. Integrative phylogenetic, phylogeographic and morphological characterisation of the Unio crassus species complex reveals cryptic diversity with important conservation implications. Molecular Phylogenetics and Evolution 195. 108046 (27 pp.). Available electronically.

Taxonomic Opinions

Anodonta anatina

Anodonta cygnea

Cuneopsis pisciculus = Tchangsinaia piscicula

Lanceolaria lanceolata

Nodularia douglasiae

Unio bruguierianus Bourguignat, 1853
+ Unio orientalis Bourguignat, 1852
+ Unio prusii Bourguignat, 1856
+ Unio schwerzenbachi Bourguignat, 1856
+ Unio vescoi Bourguignat, 1856
+ Unio kotschyi Küster, 1862
+ Unio turcicus Küster, 1862
+ Unio desectus f. pursacensis Sturany, 1902
+ Unio ancyrensis Kobelt, 1913
+ Unio ancyrensis var. louisei Kobelt, 1913
+ Unio crassus Araujo et al., 2018

Unio carneus Küster, 1854
+ Unio luxurians Küster, 1854
+ Unio brevirostris Küster, 1854

Unio crassus Philipsson in Retzius, 1788
+ Unio musivus Spengler, 1793
+ Unio ater Nilsson, 1822
+ Unio rubens Menke, 1828
+ Unio rugatus Menke, 1828
+ Unio drouetii Dupuy, 1849
+ Unio courtillieri Hattemann, 1859
+ Unio batavus var. minimus de Joannis, 1859
+ Unio batavus var. baraceus de Joannis, 1859
+ Unio lambottei Malzine, 1867
+ Unio crassus var. maximus Kobelt, 1872
+ Unio pseudolitoralis Clessin, 1877
+ Unio subtilis Drouët, 1879
+ Unio ligericus Locard, 1882
+ Unio sequanicus Locard, 1882
+ Unio pilloti Locard, 1882
59 more...

Unio damascensis Lea, 1863
+ Unio orontesensis Lea, 1863
+ Unio syriacus Lea, 1863

Unio delphinus

Unio desectus Westerlund in Westerlund & Blanc, 1879
+ Unio bruguierianus Araujo et al., 2018

Unio gibbus

Unio gontierii Bourguignat, 1856
+ Unio colchicus Drouët, 1881
+ Unio sieversi Drouët, 1881
+ Unio mingrelicus Drouët, 1881
+ Crassiana mengrelica Kantor et al., 2010
+ Unio raddei Drouët, 1881
+ Unio stevenianus Drouët, 1881
+ Unio stepanoffi Drouët, 1881
+ Unio raddei var. koutaisiana Kobelt, 1886
+ Unio gregorii Kobelt, 1912
+ Unio mingrelicus var. sobriewskii Rosén, 1925
+ Unio mingrelicus var. sobrievskii Vinarski & Kantor, 2016
+ Unio mingrelicus var. stevenianiformis Zhadin, 1938

Unio ionicus Drouët, 1879
+ Unio helenae Drouët, 1892
+ Unio scissus Drouët, 1893

Unio mardinensis Lea, 1865
+ Unio kullethensis Lea, 1865
+ Unio orphaensis Lea, 1865
+ Unio rothi var. komarowi O. Boettger, 1880
+ Unio araxenus Drouët, 1881
+ Unio subbatavus Kobelt, 1913
+ Unio (sec. Lymnium) pseudonymus Simpson, 1900
+ Unio armeniacus Kobelt, 1912
+ Unio modiola Preston, 1912
+ Unio specialis Kobelt, 1913
+ Unio (orfaensis var. ?) ehrmanni Kobelt, 1913
+ Unio diarbekirianus Kobelt, 1913
+ Unio bitlisensis Kobelt, 1913
+ Unio ciconius Kobelt, 1913
+ Unio medicus Kobelt, 1913
+ Unio thospiensis Kobelt, 1915
2 more...

Unio nanus Lamarck, 1819
+ Mya ovata Coxe, 1789
+ Mya pictorum Coxe, 1789
+ Unio inflatus Studer, 1820
+ Unio rostratus Studer, 1820
+ Unio sinuatus Studer, 1820
+ Unio planus Studer, 1820
+ Unio dilatatus Studer, 1820
+ Unio ovatus Studer, 1820
+ Unio riparia Pfeiffer, 1821
+ Unio cytherea Küster, 1833
+ Unio sinuolata Küster, 1833
+ Unio castaneus Fitzinger, 1833
+ Unio dubius Fitzinger, 1833
+ Unio nigricans Fitzinger, 1833
+ Unio decurvatus Rossmässler, 1835
87 more...

Unio pictorum

Unio sesirmensis Kobelt, 1913

Unio terminalis

Unio tumidiformis da Silva e Castro, 1885
+ Unio batavus Morelet, 1845
+ Unio eupygus da Silva e Castro, 1885
+ Unio macropygus da Silva e Castro, 1885
+ Unio sadoicus da Silva e Castro, 1885
+ Unio baeticus Kobelt, 1888
+ Unio callipygus Drouët, 1893
+ Unio conimbricus Kobelt, 1893

Unio tumidus

Unio vicarius Westerlund in Westerlund & Blanc, 1879
+ Unio byzantinus Drouët, 1879
+ Unio heldreichi O. Boettger, 1886
+ Unio thiesseae Drouët, 1892
+ Unio crassus Araujo et al., 2018
+ Unio bruguierianus Lopes-Lima et al., 2021

 
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