| 词条 | Alasmidonta mccordi |
| 释义 |
| image = | status = EX | status_system = IUCN3.1 | status_ref = [1] | genus = Alasmidonta | species = mccordi | authority = Athearn, 1964 | synonyms = | range_map = Map of Alabama highlighting St Clair County.svg | range_map_caption = Location of St. Clair County, Alabama Alasmidonta mccordi, the Coosa elktoe, was a species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels. Because no individuals have been seen recently, it is assumed to be extinct.{{citation needed|date=January 2015}} This species was endemic to the Coosa River, and was only known from a specimen collected in St. Clair County, Alabama in shallow, swift water. No specimens have been found since the construction of impoundments on the river. References1. ^{{Cite journal | author = Cummings, K. | author2 = Cordeiro, J. | last-author-amp = yes | title = Alasmidonta mccordi | journal = The IUCN Red List of Threatened Species | volume = 2011 | page = e.T780A13078346 | publisher = IUCN | date = 2011 | url = http://www.iucnredlist.org/details/780/0 | doi = 10.2305/IUCN.UK.2011-2.RLTS.T780A13078346.en | access-date = 10 January 2018}} {{Taxonbar|from=Q307551}}{{Unionidae-stub}} 5 : Extinct bivalves|Alasmidonta|Extinct animals of the United States|Molluscs described in 1964|Taxonomy articles created by Polbot |
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