Pelecypoda from the Type Locality of the Stone City Beds (middle Eocene) of Texas |
Common terms and phrases
Alabama auricle Bastrop County Brazos River Bull Calorhadia Claiborne Bluff Claiborne group Coastal Plain Conrad Cook Mountain formation Corbula crenulate Cretaceous Cubitostrea description.-Shell dorsal margin Econ elongate Eocene escutcheon fossils Gabb Gardner genus Geology locality glauconite Gosport Gosport sand groove growth lines Harris holotype horizon of type Houston County interspaces left valve length of valve ligament lunule marl Middle Eocene miles Mollusca monotype Monroe County muscle imprint narrow Nucula Oligocene Pachecoa Paleontology Pallial paratypes Pelecypoda percent of height percent of length petropolitana Stenzel posterior end radial ribs right valve rostral Sabine River scintillatus Sculpture consists shales shell slightly Smithville smithvillensis specimens Stenzel & Krause Stenzel & Twining Stone City beds Stone City Bluff stratigraphic subgenus terior Tertiary Texas text figs topotype Trinacria Type locality type spe type species U. S. Geol umbo umbonal ridge valve margin Venericardia ventral margin Weches formation