PBDB Collection

USGS 04064 (Cretaceous of the United States)

Also known as Near Cooper (probably .5 mile north of), Delta County. See USGS 7509: "Cut of Texas Midland R. R. , .5 mile north of station at Cooper, Delta County;"

Where: Delta County, Texas (33.4° N, 95.7° W: paleocoordinates 38.5° N, 73.0° W)

• coordinate based on political unit

• outcrop-level geographic resolution

When: Neylandville Marl Formation, Maastrichtian (72.1 - 66.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; calcareous lithology not reported

• no entry, See USGS 7509: "10 feet of greenish-gray, more or less weathered, calcareous clay (marl) containing small whitish calcium carbonate concretions."

Size class: mesofossils

Reposited in the USGS

• 4064: C. H. Gordon 1902, 5318: Mr. Russ 1907, 7509: T. W. Stanton and L. W. Stephenson 1911, 14062: L. W. Stephenson 1928

Primary reference: L. W. Stephenson. 1941. The larger invertebrate fossils of the Navarro group of Texas. The University of Texas Publication 4101:1-625 [M. Kosnik/M. Kosnik]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 7483: authorized by Matt Kosnik, entered by Matt Kosnik on 18.07.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

Cephalopoda
Ammonitida - Nostoceratidae	Anaklinoceras reflexum, ? Nostoceras draconsis, Axonoceras compressum, Axonoceras multicostatum rotundum Anaklinoceras reflexum Stephenson 1941 ammonite Anaklinoceras reflexum Stephenson ? Nostoceras draconsis ammonite Nostoceras? draconsis Stephenson Axonoceras compressum ammonite Axonoceras compressum Stephenson Axonoceras multicostatum rotundum Stephenson 1941 ammonite Axonoceras multicostatum rotundum Stephenson
Ammonitida - Baculitidae	Baculites claviformis Baculites claviformis Stephenson 1941 ammonite Baculites claviformis Stephenson
Ammonitida - Placenticeratidae	Placenticeras meeki Placenticeras meeki ammonite Placenticeras meeki Boehm
Gastropoda
Sorbeoconcha - Capulidae	Capulus sp. Capulus sp. Monfort 1810 snail Capulus sp. 1 Stephenson 1941
Neogastropoda - Pholidotomidae	Morea marylandica bella Morea marylandica bella Conrad 1860 snail Morea marylandica bella Stephenson
Neogastropoda - Muricidae	Sargana stantoni Sargana stantoni Weller 1907 murex snail Sargana stantoni (Weller)
Bivalvia
Myalinida - Inoceramidae	Inoceramus sp., Inoceramus ? vanuxemi Inoceramus sp. Sowerby 1814 clam Inoceramus sp. a Stephenson 1941 Inoceramus ? vanuxemi clam Inoceramus vanuxemi Meek and Hayden?
Pectinida - Anomiidae	Anomia tellinoides, Anomia argentaria Anomia tellinoides jingle Anomia tellinoides Morton Anomia argentaria Morton 1833 jingle Anomia argentaria Morton
Ostreida - Ostreidae	Acutostrea plumosa, Pseudoperna congesta Acutostrea plumosa oyster Ostrea plumosa Morton Pseudoperna congesta oyster Ostrea congesta Conrad
Ostreida - Flemingostreidae	Agerostrea falcata Agerostrea falcata Morton 1827 oyster Ostrea falcata Morton
Ostreida - Gryphaeidae	Exogyra cancellata, Pycnodonte mutabilis Exogyra cancellata oyster Exogyra cancellata Stephenson Pycnodonte mutabilis oyster Gryphaea mutabilis Morton
Arcida - Parallelodontidae	Nemodon eufaulensis lineatus Nemodon eufaulensis lineatus Conrad 1869 clam Nemodon eufaulensis lineatus Stephenson
Cardiida - Cardiidae	Granocardium (Granocardium) deltanum, Cardium (Pachycardium) sp. Granocardium (Granocardium) deltanum cockle Cardium (Granocardium) deltanum Stephenson Cardium (Pachycardium) sp. Linnaeus 1758 cockle Cardium (Pachycardium) sp.
Cardiida - Tellinidae	Solyma gardnerae Solyma gardnerae tellin clam Solyma gardnerae Stephenson
Cardiida - Veneridae	Legumen ellipticum, Cyprimeria depressa Legumen ellipticum venus clam Legumen ellipticum Conrad Cyprimeria depressa venus clam Cyprimeria depressa Conrad
Cardiida - Mactridae	Cymbophora subtilis Cymbophora subtilis clam Cymbophora subtilis Stephenson
Pholadida - Corbulidae	Caestocorbula crassiplica, Corbula sp. Caestocorbula crassiplica Gabb 1860 clam Corbula crassiplica Gabb Corbula sp. Bruguière 1789 clam Corbula spp.
Trigoniida - Trigoniidae	Trigonia sp. Trigonia sp. Bruguière 1789 clam Trigonia spp.