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Southwest Florida Shells with Emphasis on Sanibel & Captiva

José H. Leal

Family Noetiidae


Arcopsis adamsi

(Dall, 1886)

Adams Miniature Ark

Shell size to 17 mm; shell moderately inflated, elongate-oval to rectangular, depending on how sharp the "corners" are. Shell surface cancellate, sometimes with tiny beads at intersection of radial and commarginal ribs. Periostracum very thin or lacking. Shell color whitish, sometimes with cream or yellowish hues. Slightly damaged valves (see photos) found on Blind Pass, Sanibel, by Susan J. Hewitt, in December 2016

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