12-22-2016

Medionidus simpsonianus

Medionidus simpsonianus 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.

ITIS Reports — ITIS (the Integrated Taxonomic Information System) is a source for authoritative taxonomic information on plants, animals, fungi, and microbes of North America and the world.

FWS Digital Media Library — The U.S. Fish and Wildlife Service’s National Digital Library is a searchable collection of selected images, historical artifacts, audio clips, publications, and video. The Ochlockonee moccasinshell is a species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels. This species is endemic to the United States. Its natural habitat is rivers.

Similar Species: Its small size, prominent green rays, and characteristic sculpturing distinguish this species from other mussels in the Ochlockonee River system. Other moccasinshells ( Medionidus spp.) from other Florida. small freshwater mussel with a slightly elongated shell that usually measures less than 2.2 inches (55 mm) in length. The Ochlockonee Moccasinshell has a broadly curved ventral margin and a posterior ridge that is heavily marked with irregular ridges.

Detailed information

Full Name: Ochlockonee moccasinshell (Medionidus simpsonianus)

Where found: Wherever found

Critical Habitat:N/A

Species Group:Clams

Current listing status

Status	Date Listed	Lead Region	Where Listed
Endangered	03/16/1998	Southeast Region (Region 4)	Wherever found

States/US Territories in which the Ochlockonee moccasinshell, Wherever found is known to or is believed to occur: Florida , Georgia
US Counties in which the Ochlockonee moccasinshell, Wherever found is known to or is believed to occur: View All
Countries in which the the Ochlockonee moccasinshell, Wherever found is known to occur: United States

Federal register documents

Date	Citation Page	Title
11/15/2007	72 FR 64286 64340	Designation of Critical Habitat for Five Endangered and Two Threatened Mussels in Four Northeast Gulf of Mexico Drainages; Final Rule
06/21/2007	72 FR 34216 34224	Designation of Critical Habitat for Five Endangered and Two Threatened Mussels in Four Northeast Gulf of Mexico Drainages: Revised proposed rule; reopening of comment period, availability of draft economic analysis and revised proposed critical habitat units, and announcement of public hearings.
09/27/2006	71 FR 56545 56547	Endangered and Threatened Wildlife and Plants; 5-Year Review of 37 Southeastern Species
06/06/2006	71 FR 32746 32796	Endangered and Threatened Wildlife and Plants; Critical Habitat for Five Endangered and Two Threatened Mussels in Four Northeast Gulf of Mexico Drainages: Proposed rule.
10/01/2003	68 FR 56647 56648	Availability of the Recovery Plan for the Endangered Fat Threeridge (Amblema neislerii), Shinyrayed Pocketbook (Lampsilis subangulata), Gulf Moccasinshell (Medionidus penicillatus), Ochlockonee Moccasinshell (Medionidus simpsonianus), Oval Pigtoe (Pleurobema pyriforme) and the Threatened Chipola Slabshell (Elliptio chipolaensis), and Purple Bankclimber (Elliptoideus sloatianus)
07/17/2003	68 FR 42419 42420	Notice of Availability of an Agency Draft Recovery Plan for the Endangered Fat Threeridge (Amblema neislerii), Shinyrayed Pocketbook Lampsilis subangulata), Gulf Moccasinshell (Medionidus penicillatus), Ochlockonee Moccasinshell (Medionidus simpsonianus), and Oval Pigtoe (Pleurobema pyriforme), and the Threatened Chipola Slabshell (Elliptio chipolaensis) and Purple Bankclimber (Elliptoideus sloatianus), for Review and Comment
03/16/1998	63 FR 12664 12687	ETWP; Determination of Endangered Status for Five Freshwater Mussels and Threatened status for Two Freshwater Mussels From the Eastern Gulf Slope Drainages of Alabama, Florida, and Georgia
09/19/1997	62 FR 49398 49397	Review of Plant and Animal Taxa
02/28/1996	61 FR 7597 7613	ETWP; Review of Plant and Animal Taxa That Are Candidates for Listing as Endangered or Threatened Species
11/15/1994	59 FR 58982 59028	ETWP; Animal Candidate Review for Listing as Endangered or Threatened Species.

Recovery

To learn more about critical habitat please see http://ecos.fws.gov/crithab

Date	Title	Plan Action Status	Plan Status
09/19/2003	Recovery Plan for 7 mussels	View Implementation Progress	Final

Date	Title	Plan Action Status	Plan Status
09/19/2003	Recovery Plan for 7 mussels	View Implementation Progress	Final

Date	Citation Page	Title	Document Type
09/27/2006	71 FR 56545 56547	Endangered and Threatened Wildlife and Plants; 5-Year Review of 37 Southeastern Species	Notice 5-year Review, Initiation
10/01/2003	68 FR 56647 56648	Availability of the Recovery Plan for the Endangered Fat Threeridge (Amblema neislerii), Shinyrayed Pocketbook (Lampsilis subangulata), Gulf Moccasinshell (Medionidus penicillatus), Ochlockonee Moccasinshell (Medionidus simpsonianus), Oval Pigtoe (Pleurobema pyriforme) and the Threatened Chipola Slabshell (Elliptio chipolaensis), and Purple Bankclimber (Elliptoideus sloatianus)	Notice Final Recovery Plan Availability
07/17/2003	68 FR 42419 42420	Notice of Availability of an Agency Draft Recovery Plan for the Endangered Fat Threeridge (Amblema neislerii), Shinyrayed Pocketbook Lampsilis subangulata), Gulf Moccasinshell (Medionidus penicillatus), Ochlockonee Moccasinshell (Medionidus simpsonianus), and Oval Pigtoe (Pleurobema pyriforme), and the Threatened Chipola Slabshell (Elliptio chipolaensis) and Purple Bankclimber (Elliptoideus sloatianus), for Review and Comment	Notice Draft Recovery Plan Availability

Date	Title
09/17/2007	Ochlockonee Moccasinshell 5-Year Review

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