Marine Species Traits - Alasmidonta (Pressodonta) C. T. Simpson, 1900

MolluscaBase name details

Alasmidonta (Pressodonta) C. T. Simpson, 1900

AphiaID

857039 (urn:lsid:marinespecies.org:taxname:857039)

Classification

Status

alternative representation

Accepted name

Alasmidonta Say, 1818

Rank

Subgenus

Type taxon

Unio calceolus I. Lea, 1827 accepted as Alasmidonta viridis (Rafinesque, 1820) (type by original designation)

Parent

Alasmidonta Say, 1818

Original name

Alasmidonta (Pressodonta) C. T. Simpson, 1900

Synonymised names

Alasmodonta (Pressodonta) C. T. Simpson, 1900 · unaccepted

Direct children (9)

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Species Alasmidonta (Pressodonta) calceola (I. Lea, 1830) accepted as Alasmidonta viridis (Rafinesque, 1820) (incorrect gender ending, species epithet is a noun)
Species Alasmidonta (Pressodonta) collina (Conrad, 1837) accepted as Pleurobema collina (Conrad, 1837) accepted as Parvaspina collina (Conrad, 1837) (recombination)
Species Alasmidonta (Pressodonta) diversa (Conrad, 1856) accepted as Alasmidonta viridis (Rafinesque, 1820)
Species Alasmidonta (Pressodonta) etowahensis (I. Lea, 1858) accepted as Lasmigona etowaensis (Conrad, 1849) (recombination; junior homonym)
Species Alasmidonta (Pressodonta) georgiana (I. Lea, 1859) accepted as Lasmigona etowaensis (Conrad, 1849)
Species Alasmidonta (Pressodonta) heterodon (I. Lea, 1829) accepted as Prolasmidonta heterodon (I. Lea, 1829) (unaccepted > superseded combination)
Species Alasmidonta (Pressodonta) holstonia (I. Lea, 1838) accepted as Lasmigona holstonia (I. Lea, 1838) (recombination)
Species Alasmidonta (Pressodonta) minor (I. Lea, 1845) accepted as Alasmidonta viridis (Rafinesque, 1820)
Species Alasmidonta (Pressodonta) viridis (Rafinesque, 1820) accepted as Alasmidonta viridis (Rafinesque, 1820)

Environment

~~marine~~, ~~brackish~~, fresh, ~~terrestrial~~

Original description

Simpson, C. T. (1900). Synopsis of the naiades, or pearly fresh-water mussels. <em>Proceedings of the United States National Museum.</em> 22(1205): 501-1044, plate 18., available online at http://biodiversitylibrary.org/page/32021246
page(s): 667 [details]

Taxonomic citation

MolluscaBase eds. (2025). MolluscaBase. Alasmidonta (Pressodonta) C. T. Simpson, 1900. Accessed at: https://www.molluscabase.org/aphia.php?p=taxdetails&id=857039 on 2025-05-16

Taxonomic edit history

Date

action

2015-10-16 11:28:29Z

created

Bieler, Rüdiger

2018-08-11 05:01:54Z

changed

Bouchet, Philippe

2022-01-03 19:39:40Z

changed

Marshall, Bruce

2022-09-15 16:02:27Z

changed

Schneider, Simon

Licensing

The webpage text is licensed under a Creative Commons Attribution 4.0 License

[taxonomic tree]

Sources (2)

original description Simpson, C. T. (1900). Synopsis of the naiades, or pearly fresh-water mussels. <em>Proceedings of the United States National Museum.</em> 22(1205): 501-1044, plate 18., available online at http://biodiversitylibrary.org/page/32021246
page(s): 667 [details]

additional source InvertEBase. (2015). Authority files of U.S. and Canadian land and freshwater mollusks developed for the InvertEBase project (invertebase.org). [details]