Английская Википедия:Arcidens wheeleri
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Arcidens wheeleri is a species of freshwater mussels in the family Unionidae, the river mussels. Its common names are the Ouachita rock pocketbook and Wheeler's pearly mussel.[1] The former monotypic genus[2] of Arkansia was named for the state of Arkansas, where the mussel was first discovered.[2]
This is a federally listed endangered species of the United States.[3]
Distribution
This species is native to Arkansas, Oklahoma, and Texas[4] in the United States, which have only four or five small, isolated populations. Of the remaining populations, only the one located in the Kiamichi River in Oklahoma is viable.[4]
Description
This mussel is not sexually dimorphic; the sexes appear the same. The shell is somewhat rounded or oval, up to Шаблон:Convert long by Шаблон:Convert wide by Шаблон:Convert high. The shell is brown or black, lustrous and iridescent. The nacre is part pink and part white or bluish.[2]
References
- ↑ Ошибка цитирования Неверный тег
<ref>; для сносокiucnне указан текст - ↑ 2,0 2,1 2,2 USFWS. Arkansia wheeleri Recovery Plan. March 2004.
- ↑ USFWS. Final rule to list the Ouachita rock-pocketbook (mussel) as an endangered species. Federal Register October 23, 1991.
- ↑ 4,0 4,1 Ошибка цитирования Неверный тег
<ref>; для сносокNatureServeне указан текст
- Английская Википедия
- Natural history of Arkansas
- Natural history of Texas
- Natural history of Oklahoma
- Unionidae
- Taxonomy articles created by Polbot
- Taxa named by Arnold Edward Ortmann
- ESA endangered species
- Molluscs described in 1912
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