Bed W, Stone City Bluff (type locality Stone City beds) (Eocene to of the United States)

Where: Brazos County, Texas (30.6° N, 96.5° W: paleocoordinates 32.4° N, 86.5° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Stone City Formation, Lutetian to Lutetian (47.8 - 38.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marine; unlithified, glauconitic, shelly/skeletal, gray, red, silty marl

• soft and crumbly, olive-gray or olive-black, weathering to grayish-red, or very dusky red, mssive, weathered, fossiliferous, silty, very fine-grained glauconite marl

Size class: macrofossils

Primary reference: H. B. Stenzel, E. K. Krause, and J. T. Twining. 1957. Pelecypoda from the type locality of the Stone City beds (Middle Eocene) of Texas. University of Texas Publication (5704) [M. Kosnik/M. Kosnik/M. Kosnik]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 41441: authorized by Arnold Miller, entered by Karen Layou on 14.07.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Arcida - Arcidae
Barbatia (Barbatia) uxorispalmeri Stenzel and E. K 1957 clam
rare
 Arcida - Glycymerididae
 Pectinida - Pectinoidae
Eburneopecten scintillatus Conrad 1854 scallop
common
 Pectinida - Limidae
"Lima (Limatulella) petropolitana" = Limaria
"Lima (Limatulella) petropolitana" = Limaria file clam
rare
 Ostreida - Ostreidae
Cubitostrea (Cubitostrea) petropolitana Stenzel and J. T 1957 oyster
frequent
 Ostreida - Pteriidae
 Ostreida - Pinnidae
Atrina cawcawensis oyster
rare
 Carditida - Carditidae
"Venericardia (Venericor) planicosta" = Venericor planicosta
"Venericardia (Venericor) planicosta" = Venericor planicosta Lamarck 1801 clam
abundant; V. (Venericor) planicosta densata
 Pholadida - Corbulidae
Notocorbula texana Gabb 1860 clam
common
Vokesula smithvillensis Harris 1919 clam
abundant; V. smithvillensis petropolitana
 Cardiida - Anatinellidae
Pteropsella praelapidosa clam
rare; originally Kymatox praelapidosus, corrected genus from author's addendum in text [entered as Pteropsella praelapidosus]
 Cardiida - Veneridae
Katherinella smithvillensis Stenzel et al. 1957 venus clam
rare
Pitar (Calpitaria) petropolitanus Stenzel et al. 1957 venus clam
common
Pitar (Calpitaria) texibrazus Stenzel et al. 1957 venus clam
rare
 Cardiida - Tellinidae
Tellina (Eurytellina) mooreana Gabb 1860 tellin clam
abundant
 Pholadomyida - Pholadomyidae
 Nuculida - Nuculidae
Nucula (Nucula) mauricensis Harris 1919 nut clam
frequent
 Protobranchia - Nuculanidae
Orthoyoldia psammotaea Dall 1898 pointed nut clam
rare
Calorhadia (Calorhadia) compsa pointed nut clam
common