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Penitella penita (Conrad, 1837)
This boring clam rotates ist shell to drill in soft-rock and hatd-clay bottoms.Each shell has to very different halves with rough hind end doing abrading.
Synonymised names:
Penitella curvata Tryon, 1865
Penitella speloea Conrad, 1855
Pholadidea penita (Conrad, 1837)
Pholadidea penita sagitta Dall, 1916
Pholas concamerata Deshayes, 1839
Pholas penita Conrad, 1837 (original combination)
This boring clam rotates ist shell to drill in soft-rock and hatd-clay bottoms.Each shell has to very different halves with rough hind end doing abrading.
Synonymised names:
Penitella curvata Tryon, 1865
Penitella speloea Conrad, 1855
Pholadidea penita (Conrad, 1837)
Pholadidea penita sagitta Dall, 1916
Pholas concamerata Deshayes, 1839
Pholas penita Conrad, 1837 (original combination)