MUSSELpdb | publication Say, 1825

	Home \| About \| Database \| Mussel of the Month \| Publications & Presentations


MUSSELpdb
	Introduction Browse d'basing


Taxonomy
	all genera Unionidae Margaritiferidae Hyriidae Etheriidae Mycetopodidae Iridinidae Species & Genus Richness by Taxonomy


Geography
	Summary North America Central America South America Afrotropics North Eurasia East Asia Australasia Species Richness & Endemism by Geography

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!

Search the database pages:

Publication Say (1825): summary
publication summary

Complete Citation

Say, T. 1825. Descriptions of some new species of fresh water and land shells of the United States. Journal of the Academy of Natural Sciences 5(3-4): 119-131. Available electronically.

Attributed Nominal Genera

Alasmodonta Say, 1819
‘Say’ of Authors.
Say, 1819. Nich. Encyc. 4: [18].
Barnes, 1823. Amer. J. Sci. 6 (1-2): 275.
Say, 1825. Jour. Acad. Nat. Sci. 5(3-4): 131.
Férussac, 1827. Bull. Sci. Nat. et Géol. 10: 417.
Hildreth, 1828. Amer. J. Sci. 14: 289.
Lea, 1829. Trans. Amer. Phil. Soc. 3 [O. 1]: 421.
Menke, 1830. Syn. Method. Moll.: 106.
Ferussac, 1835. Mag. Zool. 5: 25.
Lea, 1836. Synopsis Fam. Naiades: 43.
Schlüter, 1838. Kurzgef. Syst. Verz. Conch. Samml.: 32.
Agassiz, 1852. Arch. Naturg. 18(1): 46.
Adams & Adams, 1857. Gen. Rec. Moll. 2(31-32): 499.
Vest, 1866. Verh. Mitth. Siebenbürg. Ver. Naturw. (17): 197.
Sowerby, 1868. Conch. Icon. 16: pl. 1.
(new name for Alasmidonta Say, 1818; renamed Anelasmodon Agassiz, 1846)

Attributed Nominal Species

Alasmodonta ambigua Say, 1825
Say, 1825. Jour. Acad. Nat. Sci. 5(3-4): 131.
Say, 1858. [in] Binney, Compl. Writings T. Say: 118.

Unio subtentus Say, 1825
Say, 1825. Jour. Acad. Nat. Sci. 5(3-4): 130.
Say, 1831. Amer. Conch. 2: pl. 15.
Say, 1858. [in] Binney, Compl. Writings T. Say: 118.

"Making the world a better place, one mollusk at a time."
	The MUSSEL Project — Home Page https://musselpdb.org/. Site developed and maintained by Dan Graf & Kevin Cummings. Funded by The National Science Foundation.