Bed S(MGB), Stone City Bluff (type locality Stone City beds): Lutetian - Bartonian, Texas

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia - Nuculanida - Nuculanidae
Calorhadia (? Litorhadia) evanescentior Stenzel and E. K 1957
rare
Calorhadia (Calorhadia) compsa
common
Orthoyoldia psammotaea (Dall 1898)
common
Bivalvia - Nuculida - Nuculidae
Nucula (Nucula) mauricensis (Harris 1919)
abundant
Bivalvia - Carditida - Carditidae
Venericardia (Venericor) planicosta (Lamarck 1801)
recombined as Venericor planicosta
abundant; V. (Venericor) planicosta densata
Venericardia (Claibornicardia) trapaquara (Harris 1895)
rare
Bivalvia - Cardiida - Ungulinidae
Diplodonta (Diplodonta) petropolitana
frequent
Bivalvia - Cardiida - Anatinellidae
Pteropsella praelapidosa
common; originally Kymatox praelapidosus, corrected genus from authors' addendum in text [entered as Pteropsella praelapidosus]
Bivalvia - Cardiida - Veneridae
Pitar (Calpitaria) petropolitanus Stenzel et al. 1957
common
Katherinella smithvillensis Stenzel et al. 1957
rare
Bivalvia - Cardiida - Tellinidae
Tellina (Eurytellina) mooreana (Gabb 1860)
common
Tellina (Moerella) petropolitana Stenzel and Krause 1957
rare
Bivalvia - Cardiida - Semelidae
Abra (Abra) petropolitana Stenzel 1957
rare
Bivalvia - Pholadida - Corbulidae
Notocorbula texana (Gabb 1860)
abundant
Vokesula smithvillensis (Harris 1919)
abundant
Caryocorbula deusseni
common
Bivalvia - Ostreida - Ostreidae
Cubitostrea (Cubitostrea) petropolitana Stenzel and J. T 1957
abundant
Crassostrea frionis
common
Bivalvia - Pectinida - Anomiidae
Anomia ephippioides Gabb 1860
abundant
Bivalvia - Arcida - Arcidae
Pachecoa (Pachecoa) pulchra
frequent
Pachecoa (Pachecoa) sabinica Harris 1919
abundant
Barbatia (Barbatia) uxorispalmeri Stenzel and E. K 1957
abundant
see common names

Geography
Country:United States State/province:Texas County:Brazos
Coordinates: 30.6° North, 96.5° West (view map)
Paleocoordinates:32.4° North, 86.5° West
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
Time
Period:Paleogene Epoch:Eocene
Key time interval:Lutetian - Bartonian
Age range of interval:47.80000 - 37.71000 m.y. ago
Stratigraphy
Formation:Stone City
Local order:bottom to top
Stratigraphic resolution:bed
Lithology and environment
Primary lithology:very fine,fine,concretionary,shelly/skeletal,gray,red poorly lithified silty sandstone
Secondary lithology: unlithified marl
Includes fossils?Y
Lithology description: resistant, olive-gray, weathering to grayish-red or very dusky red, massive to poorly bedded, richly fossiliferous, marly, silty, very fine-grained glauconite arenite and maril containing layers of rolled fossils, especially near the top; large hard, dark greenish-gray, irregular, argillaceous, sideritic, calcareous concretions are found loosely spaced in the middle and crowded hear the top to form a continuous clay-ironstone layer
Environment:marine indet.
Taphonomy
Modes of preservation:body,concretion
Size of fossils:macrofossils
Collection methods and comments
Collection excludes:some macrofossils,difficult macrofossils
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Metadata
Database number:41436
Authorizer:A. Miller Enterer:K. Layou
Modifier:J. Sessa Research group:GCP,marine invertebrate
Created:2004-07-14 08:58:55 Last modified:2010-10-03 20:07:03
Access level:the public Released:2004-07-14 08:58:55
Creative Commons license:CC BY
Reference information

Primary reference:
7415. 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]