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Toxolasma corvunculus (I. Lea, 1868)
Southern Purple Lilliput

Southern Purple Lilliput collected from the Conasauga River, Tennessee (31 mm). Photo by staff (Georgia DNR – Wildlife Resources). Specimen courtesy of Georgia Museum of Natural History (GMNH8557).
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Federal Protection: No US federal protection

State Protection: No Georgia state protection

Global Rank: G1

State Rank: SU

Element Locations Tracked in Biotics: Yes

SWAP 2015 Species of Greatest Conservation Need (SGCN): Yes

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

2025 SGCN Priority Tier: Data Deficient

Element Occurrences (EOs) in Georgia: 0

Habitat Summary for element in Georgia: Flowing waters of creeks to medium rivers

SWAP 2025 Threat Matrix

Threat 1 Threat 2 Threat 3
General Threat Agriculture & aquaculture Natural system modifications Residential & commercial development
Specific Threat None Dams & water management/use None

SWAP 2025 Conservation Actions:

  • Action 1: Assess SGCN mussels and mussel communities in the Mobile River system in GA
  • Action 2: Provide technical and financial assistance to farmers/landowners to protect stream buffers and wetlands, minimize runoff of sediment and pollutants, and protect habitat from livestock trampling
  • Action 3: Improve aquatic connectivity in SWAP priority watersheds
  • Action 4: Protect and restore riparian buffers in high priority watersheds
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