12-22-2016

Lampsilis rafinesqueana

Lampsilis rafinesqueana NatureServe Explorer Species Reports — NatureServe Explorer is a source for authoritative conservation information on more than 50,000 plants, animals and ecological communtities of the U.S and Canada. NatureServe Explorer provides in-depth information on rare and endangered species, but includes common plants and animals too. NatureServe Explorer is a product of NatureServe in collaboration with the Natural Heritage Network.

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The Neosho mucket was first described by Frierson in 1927 from specimens collected in Oklahoma from the Illinois River. It is notably larger than other freshwater mussel species in its range and can measure just over 100mm in shell length. Males are slightly larger in most bodily measurements than females. In Frierson’s original species description, he reported the shell lengths of males and females as 93mm and 86mm respectively; and the male and female shell diameters as 38mm and 35mm respectively. Shell height in other specimens has been recorded as 62mm in males and 60mm in females, and is estimated to be 0.58 – 0.7 times the shell length. The low umbones project only slightly or not at all above the dorsal side of the shell.

The relatively smooth shell epidermis is colored brown to dull yellowish green. Faint, green, broken, chevron-shaped rays are sometimes seen lining the shell and serve as a useful identification feature if present; but are commoner and brighter on young specimens. In older specimens, the raying is often non-distinct and sometimes completely absent. The nacre is bluish-white or creamy. In the left valve are two equally long, stout, triangular pseudocardinal teeth; and two short, slightly curved lateral teeth. In the right valve are one strong tooth in front of the umbo and one smaller tooth before i

Detailed information

Full Name: Neosho Mucket (Lampsilis rafinesqueana)

Where found: Wherever found

Critical Habitat:N/A

Species Group:Clams

Current listing status

Status	Date Listed	Lead Region	Where Listed
Endangered	10/17/2013	Southeast Region (Region 4)	Wherever found

States/US Territories in which the Neosho Mucket, Wherever found is known to or is believed to occur: Arkansas , Kansas , Missouri , Oklahoma
US Counties in which the Neosho Mucket, Wherever found is known to or is believed to occur: View All

Federal register documents

Date	Citation Page	Title
04/30/2015	80 FR 24691 24774	Designation of Critical Habitat for Neosho Mucket and Rabbitsfoot: Final rule
05/14/2014	79 FR 27547 27548	Designating Critical Habitat for the Neosho Mucket and Rabbitsfoot
09/17/2013	78 FR 57076 57097	Endangered Status for the Neosho Mucket and Threatened Status for the Rabbitsfoot
08/27/2013	78 FR 52894 52895	Designating Critical Habitat for the Neosho Mucket and Rabbitsfoot
05/09/2013	78 FR 27171 27177	Proposed Endangered Status for the Neosho Mucket, Threatened Status for the Rabbitsfoot, and Designation of Critical Habitat for Both Species
10/16/2012	77 FR 63439 63536	Proposed Endangered Status for the Neosho Mucket, Threatened Status for the Rabbitsfoot, and Designation of Critical Habitat for Both Species: Proposed rule.
10/26/2011	76 FR 66370 66439	Review of Native Species That Are Candidates for Listing as Endangered or Threatened; Annual Notice of Findings on Resubmitted Petitions; Annual Description of Progress on Listing Actions
11/10/2010	75 FR 69222 69294	Review of Native Species That Are Candidates for Listing as Endangered or Threatened; Annual Notice of Findings on Resubmitted Petitions; Annual Description of Progress on Listing Actions; Proposed Rule
11/09/2009	74 FR 57804 57878	Review of Native Species That Are Candidates for Listing as Endangered or Threatened; Annual Notice of Findings on Resubmitted Petitions; Annual Description of Progress on Listing Actions
12/10/2008	73 FR 75176 75244	Review of Native Species That Are Candidates for Listing as Endangered or Threatened; Annual Notice of Findings on Resubmitted Petitions; Annual Description of Progress on Listing Actions; Proposed Rule

Recovery

No recovery information is available for the Neosho Mucket.

Date	Citation Page	Title	Document Type	Status
04/30/2015	80 FR 24691 24774	Designation of Critical Habitat for Neosho Mucket and Rabbitsfoot: Final rule	Final Rule	Final designated
10/16/2012	77 FR 63439 63536	Proposed Endangered Status for the Neosho Mucket, Threatened Status for the Rabbitsfoot, and Designation of Critical Habitat for Both Species: Proposed rule.	Proposed Rule	Not Required

Date	Citation Page	Title	Document Type	Status
04/30/2015	80 FR 24691 24774	Designation of Critical Habitat for Neosho Mucket and Rabbitsfoot: Final rule	Final Rule	Final designated
10/16/2012	77 FR 63439 63536	Proposed Endangered Status for the Neosho Mucket, Threatened Status for the Rabbitsfoot, and Designation of Critical Habitat for Both Species: Proposed rule.	Proposed Rule	Not Required

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