Arcidens wheeleri

{{Short description|Species of bivalves}}

{{Speciesbox

| name = Ouachita rock pocketbook

| image = Arkansia wheeleri.jpg

| image_caption = A live individual of Arcidens wheeleri

| status = EN

| status_system = IUCN3.1

| status_ref = {{Cite journal | author = Cummings, K. | author2 = Cordeiro, J. | name-list-style = amp | title = Arcidens wheeleri | journal = The IUCN Red List of Threatened Species | volume = 2011 | page = e.T2114A9250119 | publisher = IUCN | date = 2011 | url = http://www.iucnredlist.org/details/2114/0 | doi = 10.2305/IUCN.UK.2011-2.RLTS.T2114A9250119.en | access-date = 10 January 2018| doi-access = free }}

| status2 = G1

| status2_system = TNC

| status2_ref = {{cite web |url=https://explorer.natureserve.org/Taxon/ELEMENT_GLOBAL.2.116326/Arcidens_wheeleri |title=Arcidens wheeleri |work=NatureServe Explorer |accessdate=20 October 2022}}

| genus = Arcidens

| species = wheeleri

| authority = Ortmann & Walker, 1912

| synonyms = Arkansia wheeleri

}}

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. The former monotypic genusUSFWS. [https://esadocs.defenders-cci.org/ESAdocs/recovery_plan/040602.pdf Arkansia wheeleri Recovery Plan.] March 2004. of Arkansia was named for the state of Arkansas, where the mussel was first discovered.

This is a federally listed endangered species of the United States.USFWS. [https://www.fws.gov/sites/default/files/federal_register_document/FR-1991-10-23.pdf Final rule to list the Ouachita rock-pocketbook (mussel) as an endangered species.] Federal Register October 23, 1991.