Carolina heelsplitter  (Lasmigona decorata)

Carolina heelsplitter
Carolina heelsplitter
© U.S. Fish and Wildlife Service
Carolina heelsplitter
Carolina heelsplitter
© John Fridell/ USFWS, Asheville, NC
Carolina heelsplitter
Carolina heelsplitter
© John Fridell/ USFWS, Asheville, NC
Small Carolina heelsplitter shell
Small Carolina heelsplitter shell
© John Fridell/ USFWS, Asheville, NC
Small Carolina heelsplitter shell opened
Small Carolina heelsplitter shell opened
© John Fridell/ USFWS, Asheville, NC
Iridescent inner layer of small Carolina heelsplitter shell
Iridescent inner layer of small Carolina heelsplitter shell
© John Fridell/ USFWS, Asheville, NC
Large Carolina heelsplitter shell
Large Carolina heelsplitter shell
© John Fridell/ USFWS, Asheville, NC
Large Carolina heelsplitter shell opened
Large Carolina heelsplitter shell opened
© John Fridell/ USFWS, Asheville, NC
Iridescent inner layer of large Carolina heelsplitter shell
Iridescent inner layer of large Carolina heelsplitter shell
© John Fridell/ USFWS, Asheville, NC