Distinguishing Characteristics |
Bivalve (2 shells); shell circular, moderately inflated; color white to off-white, interior yellowish orange; anterior dorsal margin high on shell with concave area next to beak; posterior dorsal margin juts out at slight angle, then curves downward; fine concentric ridges; beak slightly bent anteriorly, small; weak ridge from beak to both posterior and anterior margins; anterior muscle scar elongate, runs parallel to pallial line. |
Similar Species |
Other lucines have more distinct ridges and ribs. The chalky buttercup lucine is more inflated, white interior, and its anterior muscle scar lies at a 30° angle to the pallial line (parallel in the buttercup lucine). |
Habitat |
Gulf and bay, sand and mud bottoms |
Maximum Size |
6.4 cm (2 1/2 in) |
Other Common Names |
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Previous Scientific Names |
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