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Elliptio roanokensis (I. Lea, 1838)
Roanoke Slabshell

Roanoke Slabshell collected from the Congaree River, South Carolina (148 mm). Photo by staff (Georgia DNR – Wildlife Resources). Specimen courtesy of Georgia Museum of Natural History (GMNH8189).
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Federal Protection: No US federal protection

State Protection: No Georgia state protection

Global Rank: G3

State Rank: S2

Element Locations Tracked in Biotics: Yes

SWAP 2015 Species of Greatest Conservation Need (SGCN): No

SWAP 2025 Species of Greatest Conservation Need (SGCN): Yes

2025 SGCN Priority Tier: Data Deficient

Element Occurrences (EOs) in Georgia: 6

Habitat Summary for element in Georgia: Near-shore trough habitats in sand and gravel substrates

SWAP 2025 Threat Matrix

Threat 1 Threat 2 Threat 3
General Threat Pollution Natural system modifications Pollution
Specific Threat Agricultural & forestry effluents Dams & water management/use Domestic & urban waste water

SWAP 2025 Conservation Actions:

  • Action 1: Assess SGCN mussels and mussel communities in the Savannah River system
  • Action 2: Determine taxonomic validity of potential SGCN mussels in the genus Elliptio
  • Action 3: Improve aquatic connectivity in SWAP priority watersheds
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