Kevin S. Cummings

Illinois Natural History Survey
Center For Biodiversity
607 East Peabody Dr.
Champaign, IL 61820

The objective of this page is to illustrate (with photographs) all of the "genera" of freshwater mussels (Unionoida) in the world. The genera included are largely those recognized by Haas (1969) with the exception of the North American fauna, which follow Turgeon, et al. (1998). Other deviations from Haas (1969) will be referenced to the new source of information. If anyone spots any errors or misspellings of type localities, type designations, rivers or other geographic names, please let me know and I will make appropriate changes. I plan on adding information on type species for each genus and a list of currently recognized species/taxa in the near future. An example of the kind of added information can be seen in the account for the genus Castalina. If anyone has any comments on how and what type of data to include in these species list sections, please let me know. I am still playing around with the format. Also understand that these pages (like many on the web) are "works in progress" and the data contained in them should be checked to the primary literature to ensure accuracy. Museum Acronyms used in photo captions follow: Systematic Research Collections - Mollusca.

Literature Cited

(A - D) (E - H) (I - L) (M - P) (Q - T) (U - Z)

Unio Retzius, 1788 - Africa, Asia, Europe

Unio tumidus Philipsson, 1788
INHS 21432. De Diem, near Diemen, North Holland, the Netherlands.

Type Species: Mya pictorum Linnaeus, 1758

Uniomerus Conrad, 1853 - North America

Uniomerus tetralasmus (Say, 1831)
INHS 7807. Mississippi River, Perry County, Missouri.

Type Species: Unio tetralasmus Say, 1831

Unionetta Haas 1913 - Asia

Type Species: Unio fabagina Deshayes & Jullien, 1874

Utterbackia Baker 1928 - North America

Type Species: Anodonta imbecillis Say, 1829

Velesunio Iredale, 1934 - Australia

Velesunio ambiguus (Philippi, 1847)
INHS 11430. Murrumbidgee River, Gundagai, New South Wales, Australia.

Type Species: Unio balonnensis Conrad, 1850 [=Velesunio ambiguus (Philippi, 1847)] (by original designation).

Original Citation: Iredale, T. 1934. The freshwater mussels of Australia. Australian Zoologist 8:57-78.

Remarks: McMichael & Hiscock (1958:387) discuss generic synomyms and other nomenclatorial problems in this group.

Generic Synonyms: Centralhyria Iredale, 1934, Aparcthyria Iredale, 1934 (McMichael & Hiscock, 1958:387; Haas, 1969:491).

Literature Cited

Venustaconcha Thiele, 1935 - North America

Venustaconcha ellipsiformis (Conrad, 1836)
INHS 4137. Rock River, Winnebago County, Illinois.

Type Species: Unio venustus Lea, 1838

Villosa Frierson, 1927 - North America

Villosa delumbis (Conrad, 1834)
INHS 16098. Ohoopee River, Tatnall County, Georgia.

Type Species: Unio villosus B.H. Wright, 1898

Virgus Simpson 1900 - Australia

Type Species: Unio (Diplodon) beccarianus Tapperone Canefri, 1883

Westralunio Iredale 1934 - Australia

Type Species: Westralunio ambiguus carteri Iredale, 1934


(A - D) (E - H) (I - L) (M - P) (Q - T) (U - Z)