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The Texas Coast
General Features of the Mollusk
7 other sections not shown
animal APERTURE bays beach drift beach shell Bermuda bivalve body whorl Brazil brown Campeche Bank cardinal teeth clam Coll coLoR Columella common in beach convex whorls Corneous Costa dorsal Elongate conic Entire Epifaunal Equivalve Fairly common Family faunal flat Florida gastropod Genus GEOLOGIC RANGE Gray growth lines Gulf of Campeche Gulf of Mexico HABITAT HINGE AREA Inequilateral Infaunal inlet areas jetties Lamarck left valve Ligament LINE & INTERIOR Linné LOCALITIES margin Miocene to Holocene mollusks muscle scars North Carolina numerous oblique OCCURRENCE Offshore OPERCULUM ORNAMENT OR SCULPTURE oval oyster Pallial line simple Parietal PERIOSTRACUM Pleistocene Pleistocene to Holocene Pliocene Port Aransas posterior Quintana Roo Rafinesque REMARKS ribs ridge right valve rounded sand SF SF SF SHAPE shore sinus siphonal canal slightly smooth snail species specimens Spiral sculpture spire Subfamily Subgenus Superfamily Surinam suture Texas Texas coast tide Umbones West Indies yellowish Yucatán