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Galveston to Freeport 234235
General Features of the Mollusk
3 Systematic Descriptions
8 other sections not shown
Acad animal aperture bays bivalve body whorl brownish cardinal teeth Central clams color Columella Conch convex whorls Corneous crenulate deposit feeder dorsal eggs Elongate conical Entire Epitonium Equivalve Fairly common filter feeder flat gastropod Genus geologic range Gray growth lines Gulf of Mexico habitat hinge area Hist Indies and Texas Inequilateral Infaunal inlet areas jetties Lamarck left valve Length Ligament line & interior Linne localities margin Miocene Miocene to Recent mollusks muscle scars Natur North Carolina numerous oblique occurrence Offshore operculum ornament or sculpture Outer lip thin oval oyster Padre Island Parietal periostracum Phila Pleistocene to Recent Pliocene Port Aransas posterior radial remarks ribs ridge right valve rounded sand sculpture consists shape shell shore sinus siphonal canal slightly smooth snail species specimens Spiral sculpture spire Subfamily Subgenus Superfamily suture Texas Texas coast thickened tide transverse Turbonilla umbilicus Umbones Uncommon visible West Indies