USGS 16166 (Cretaceous of the United States)

Also known as Gullies in field south of northeast-southwest road, 1.6 miles east-northeast of Black Hills school, 3.5 miles west-northwest of the courthouse at Corsicana, Navarro County;

Where: Navarro County, Texas (32.1° N, 96.5° W: paleocoordinates 37.4° N, 74.2° 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; gray, sandy, calcareous claystone

• 25 or 30 feet of gray calcareous sandy clay (marl) with whitish soft fossiliferous concretions

Size class: mesofossils

Reposited in the USGS

• L. W. Stephenson 1932

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 7567: authorized by Matt Kosnik, entered by Matt Kosnik on 18.07.2000, edited by Uta Merkel

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ammonitida - Diplomoceratidae
Solenoceras reesidei Stephenson 1941 ammonite
Solenoceras reesidei Stephenson
 Ammonitida - Nostoceratidae
? Nostoceras draconsis ammonite
Nostoceras? draconsis Stephenson
 Ammonitida - Baculitidae
Baculites claviformis Stephenson 1941 ammonite
Baculites claviformis Stephenson
Gastropoda
 Cerithioidea - Turritellidae
"Haustator trilira" = Turritella trilira Conrad 1860 turret shell
Turritella trilira Conrad
Turritella vertebroides Morton 1834 turret shell
Turritella vertebroides tenuispira Stephenson
 Neogastropoda - Fasciolariidae
Drilluta brevispira snail
Drilluta brevispira Stephenson
 Neogastropoda - Pyropsidae
Pyropsis sp. Conrad 1860 snail
Pyropsis sp.
Bivalvia
 Nuculida - Nuculidae
Nucula sp. Lamarck 1799 nut clam
Nucula sp.
 Mytilida - Mytilidae
Volsella uddeni mussel
Volsella uddeni Stephenson
 Pectinida - Pectinoidae
Radiopecten (Radiopecten) mississippiensis scallop
Pecten (Radiopecten) mississippiensis Conrad
 Cardiida - Cardiidae
Granocardium (Granocardium) rossae cockle
Cardium (Granocardium) rossae Stephenson
 Cardiida - Glossidae
Glossus irelandi clam
Isocardia irelandi Stephenson
 Cardiida - Mactridae
Cymbophora subtilis clam
Cymbophora subtilis Stephenson
 Cardiida - Arcticidae
Veniella conradi Morton 1833 clam
Veniella conradi (Morton)
Tenea parilis clam
Tenea parilis Conrad
 Hippuritida - Radiolitidae
Durania sp. Douvillé 1908 rudist
Durania sp.
 Poromyida - Poromyidae
Cymella bella clam
Cymella bella texana Stephenson
Anthozoa
 Scleractinia - Caryophylliidae
Trochocyathus woolmani Vaughan 1900 stony coral