Astraea gibberosa (Dillwyn, 1817)
- Lithopoma gibberosum Dillwyn, 1817, Astraea inaequalis Mtyn
- Common Name:
- Red Turban Snail, Red Top Snail
- To 75mm diameter in British Columbia, but only 50mm in California.
- Southeastern Alaska and Queen Charlotte Islands to California (San Diego) or possibly Baja California
(Bahia Magdalena). Uncommon from Washington to northern California.
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