MolluscaBase taxon details
Uniomerus declivis (Say, 1831)
857409 (urn:lsid:marinespecies.org:taxname:857409)
accepted
Species
Elliptio (Uniomerus) declivis (Say, 1831) · unaccepted
Margarita (Unio) declivis (Say, 1831) · unaccepted
Margaron (Unio) declivis (Say, 1831) · unaccepted
Unio (Uniomerus) tetralasmus declivis Say, 1831 · unaccepted
Unio declivis Say, 1831 · unaccepted (original combination)
Unio excultus Conrad, 1838 · unaccepted
Unio geometricus I. Lea, 1834 · unaccepted
Unio tetralasmus declivis (Say, 1831) · unaccepted
Uniomerus declivus (Say, 1831) · unaccepted
Uniomerus excultus (Conrad, 1838) · unaccepted
Uniomerus tetralasmus declivis (Say, 1831) · unaccepted
(of Unio declivis Say, 1831) Say, T. (1831). Description of several new species of shells, and of a new species of <i>Lumbricus</i>. <em>Transylvania Journal of Medicine and the Associate Sciences.</em> 4(4): 525-529., available online at https://babel.hathitrust.org/cgi/pt?id=nnc2.ark:/13960/t51g3h18z;view=1up;seq=533
page(s): 527 [details]
page(s): 527 [details]
Note USA, Louisiana, without a precise locality
Type locality USA, Louisiana, without a precise locality [details]
MolluscaBase eds. (2025). MolluscaBase. Uniomerus declivis (Say, 1831). Accessed at: https://www.molluscabase.org/aphia.php?p=taxdetails&id=857409 on 2026-04-28
Date
action
by
The webpage text is licensed under a Creative Commons
Attribution 4.0 License
original description
(of Unio declivis Say, 1831) Say, T. (1831). Description of several new species of shells, and of a new species of <i>Lumbricus</i>. <em>Transylvania Journal of Medicine and the Associate Sciences.</em> 4(4): 525-529., available online at https://babel.hathitrust.org/cgi/pt?id=nnc2.ark:/13960/t51g3h18z;view=1up;seq=533
page(s): 527 [details]
original description (of Unio geometricus I. Lea, 1834) Lea, I. (1834). Observations on the naïades; and descriptions of new species of that, and other families. <em>Transactions of the American Philosophical Society.</em> (NS) 5: 23-119, pls 1-19 [August or September 1834]., available online at http://biodiversitylibrary.org/page/35957690
page(s): 38, pl. 4, fig. 10 [details]
original description (of Unio excultus Conrad, 1838) Conrad, T. A. (1835-1838). <i>Monography of the family Unionidae, or naiades of Lamarck, (fresh water bivalve shells), of North America, illustrated by figures drawn on stone from nature</i>. Philadelphia: Dobson. 1: 1-12, pls 1-5 [1835]; 8: 65-72, pls. 36-40 [1837]; 10: 81-94, pls 46-51 [1838]; 11: 95-102, pls 52-56 [1838]. , available online at http://biodiversitylibrary.org/page/4206381
page(s): 99, pl. 55 fig. 1 [details]
basis of record Campbell, D. C. & Lydeard, C. (2012). The genera of Pleurobemini (Bivalvia: Unionidae: Ambleminae). <em>American Malacological Bulletin.</em> 30(1): 19-38., available online at https://doi.org/10.4003/006.030.0102 [details]
additional source InvertEBase. (2015). Authority files of U.S. and Canadian land and freshwater mollusks developed for the InvertEBase project (invertebase.org). [details]
page(s): 527 [details]
original description (of Unio geometricus I. Lea, 1834) Lea, I. (1834). Observations on the naïades; and descriptions of new species of that, and other families. <em>Transactions of the American Philosophical Society.</em> (NS) 5: 23-119, pls 1-19 [August or September 1834]., available online at http://biodiversitylibrary.org/page/35957690
page(s): 38, pl. 4, fig. 10 [details]
original description (of Unio excultus Conrad, 1838) Conrad, T. A. (1835-1838). <i>Monography of the family Unionidae, or naiades of Lamarck, (fresh water bivalve shells), of North America, illustrated by figures drawn on stone from nature</i>. Philadelphia: Dobson. 1: 1-12, pls 1-5 [1835]; 8: 65-72, pls. 36-40 [1837]; 10: 81-94, pls 46-51 [1838]; 11: 95-102, pls 52-56 [1838]. , available online at http://biodiversitylibrary.org/page/4206381
page(s): 99, pl. 55 fig. 1 [details]
basis of record Campbell, D. C. & Lydeard, C. (2012). The genera of Pleurobemini (Bivalvia: Unionidae: Ambleminae). <em>American Malacological Bulletin.</em> 30(1): 19-38., available online at https://doi.org/10.4003/006.030.0102 [details]
additional source InvertEBase. (2015). Authority files of U.S. and Canadian land and freshwater mollusks developed for the InvertEBase project (invertebase.org). [details]
From editor or global species database
Type locality USA, Louisiana, without a precise locality [details]
| Language | Name | |
|---|---|---|
| English | tapered pondhorn | [details] |
