USGS 07573 (Cretaceous of the United States)

Also known as Public road just south of the St. Louis and Southwestern R.R., 5 miles south-southwest of Corsicana, Navarro County;

Where: Navarro County, Texas (32.1° N, 96.5° W: paleocoordinates 36.9° N, 68.8° W)

• coordinate based on political unit

• outcrop-level geographic resolution

When: Nostoceras hyatti ammonoid zone, Nacatoch Sand Formation, Late/Upper Campanian (83.5 - 70.6 Ma)

• Stephenson (1941) had this unit as Maastrichtian, Cobban and Kennedy (1995) have updated it to uppermost Campanian via ammonite zonation.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; sandy limestone

• loose chunks of sandy fossiliferous limestone at road-side, but similar rock is in place in nearby fields.

Size class: mesofossils

Reposited in the USGS

• L. W. Stephenson 1911

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 7504: authorized by Matt Kosnik, entered by Matt Kosnik on 18.07.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ammonitida - Baculitidae
Baculites claviformis Stephenson 1941 ammonite
Baculites claviformis Stephenson
Scaphopoda
 Dentaliida - Dentaliidae
Dentalium navarroi tusk shell
Dentalium navarroi Stephenson
 Gadilida - Gadilidae
Cadulus coonensis tusk shell
Cadulus coonensis Stephenson
Gastropoda
 Heterostropha - Acteonidae
Tornatellaea eretacea appressa Conrad 1860 snail
Tornatellaea eretacea appressa Stephenson
 Heterostropha - Ringiculidae
"Ringicula pulchella" = Ringicula (Ringicula) pulchella
"Ringicula pulchella" = Ringicula (Ringicula) pulchella Shumard 1861 snail
Ringicula pulchella Shumard
 Opisthobranchia - Cylichnidae
Cylichna secalina Shumard 1861 snail
Cylichna secalina Shumard
 Cerithioidea - Turritellidae
"Haustator trilira" = Turritella trilira
"Haustator trilira" = Turritella trilira Conrad 1860 turret shell
Turritella trilira Conrad
 Neogastropoda - Fasciolariidae
Graphidula terebriformis Stephenson 1941 snail
Graphidula terebriformis Stephenson
Drilluta crassicostata snail
Drilluta crassicostata Stephenson
 Neogastropoda - Paladmetidae
Paladmete inequalis snail
Paladmete inequalis Stephenson
Bivalvia
 Nuculida - Nuculidae
Nucula microstriata nut clam
Nucula microstriata Gardner
Nucula waltonensis nut clam
Nucula waltonensis Stephenson
 Myalinida - Inoceramidae
Inoceramus sp. Sowerby 1814 clam
Inoceramus sp. e Stephenson 1941
 Arcida - Arcidae
Linter acutata clam
Linter acutata Stephenson
 Cardiida - Cardiidae
Ethmocardium (Ethmocardium) welleri cockle
Cardium (Ethmocardium) welleri Stephenson
Granocardium (Granocardium) sp. Gabb 1869 cockle
Cardium (Granocardium) spp.
 Cardiida - Tellinidae
Tellina munda tellin clam
Tellina munda Stephenson
 Cardiida - Glossidae
Glossus bulbosa clam
Isocardia bulbosa Stephenson
 Cardiida - Veneridae
? Cyclorisma pumila venus clam
Cyclorisma? pumila Stephenson
Legumen ellipticum venus clam
Legumen ellipticum Conrad
 Cardiida - Mactridae
Cymbophora cancellosa clam
Cymbophora cancellosa Stephenson
Cymbophora scabellum clam
Cymbophora scabellum Stephenson
Cymbophora subtilis clam
Cymbophora subtilis Stephenson
 Cardiida - Arcticidae
Veniella lineata clam
Veniella lineata (Shumard)
Tenea parilis clam
Tenea parilis Conrad
 Pholadida - Corbulidae
Corbula rockensis clam
Corbula rockensis Stephenson
Corbula subradiata texana Bruguière 1789 clam
Corbula subradiata texana Stephenson
 Solenida - Pharidae
Leptosolen biplicata Conrad 1858 clam
Leptosolen biplicatus Conrad
 Lucinida - Lucinidae
Ctena parvilineata clam
Lucina parvilineata Shumard
Phacoides mattiformis clam
Lucina mattiformis Stephenson