PBDB Collection

Sohl and Koch OFR # 650 (Cretaceous of the United States)

Also known as McLeod School; USGS # 14139

Where: Navarro County, Texas (31.8° N, 96.5° W: paleocoordinates 37.0° N, 74.9° W)

• small collection-level geographic resolution

When: Discoscaphites conradi ammonoid zone, Corsicana Marl Formation, Late/Upper Maastrichtian (70.6 - 66.0 Ma)

• Haustator bilira assemblage zone

• member-level stratigraphic resolution

Environment/lithology: marine; gray claystone

Size class: mesofossils

Preservation: original aragonite, original calcite

Reposited in the USGS

• Stephenson collection

Primary reference: N. F. Sohl and C. F. Koch. 1984. Upper Cretaceous (Maestrichtian) larger invertebrate Fossils from the Haustator bilira Assemblage Zone in the west gulf Coastal Plain. USGS Open File Report 84-687:1-282 [M. Kosnik/M. Kosnik]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 4431: authorized by Matt Kosnik, entered by Matt Kosnik on 14.08.1999, edited by Uta Merkel

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

unclassified
-	Lithophagidae indet. Lithophagidae indet. Lithophagid borings
Anthozoa
Scleractinia - Caryophylliidae	Trochocyathus gardnerae Trochocyathus gardnerae Wells 1933 stony coral
Scleractinia - Micrabaciidae	Micrabacia sp. Micrabacia sp. Milne-Edwards 1849 stony coral Micrabacia spp.
Demospongiae
Clavulina - Clionaidae	Cliona sp. Cliona sp. demosponge Clione sp.
unclassified
-	Vertebrata indet. Vertebrata indet. Lamarck 1801 Otolith
Gastropoda
Patellida - Lottiidae	Acmaea occidentalis Acmaea occidentalis limpet Acmaea occidentalis (Hall & Meek)
Cerithioidea - Turritellidae	Turritella vertebroides Turritella vertebroides Morton 1834 turret shell Turritella vertebroides Morton
Neogastropoda - Buccinidae	Hydrotribulus asper Hydrotribulus asper true whelk Hydeotribulus asper Stephenson - originally entered as "Hydeotribulus asper"
Opisthobranchia - Scaphandridae	Ellipsoscapha sp. Ellipsoscapha sp. Stephenson 1941 snail Ellipsoscapha sp.
Heterostropha - Architectonicidae	? Pseudomalaxis sp. ? Pseudomalaxis sp. Fischer 1850 snail Pseudomalaxis ? sp. - originally entered as "Pseudomalaxis ? sp."
Bivalvia
Nuculida - Nuculidae	Nucula percrassa Nucula percrassa nut clam Nucula percrassa Conrad
Nuculanida - Malletiidae	"Perissonata sp." = Perrisonota "Perissonata sp." = Perrisonota Conrad 1869 clam Perrisonota sp.
Nuculanida - Nuculanidae	Nuculana sp. Nuculana sp. Link 1807 pointed nut clam Nuculana sp.
Carditida - Crassatellidae	Crassatella vadosa Crassatella vadosa Morton 1834 clam Crassatella vadosa vadosa Morton
Carditida - Carditidae	Vetericardiella webbervillensis Vetericardiella webbervillensis clam Vetericardiella webbervillensis (S
Pholadida - Corbulidae	Corbula sp. Corbula sp. Bruguière 1789 clam Corbula sp.
Cardiida - Arcticidae	Veniella conradi Veniella conradi Morton 1833 clam Veniella conradi (Morton)
Cardiida - Cardiidae	Trachycardium sp. Trachycardium sp. Mörch 1853 cockle Trachycardium sp.
Mytilida - Crenellidae	Crenella serica Crenella serica Conrad 1860 clam Crenella serica Conrad
Arcida - Arcidae	Striarca webbervillensis Striarca webbervillensis clam Striarca webbervillensis (Stephens
Ostreida - Gryphaeidae	"Exogyra costata" = Exogyra (Exogyra) costata "Exogyra costata" = Exogyra (Exogyra) costata Say 1820 oyster Exogyra costata Say
Cephalopoda
Ammonitida - Sphenodiscidae	Sphenodiscus sp., Sphenodiscus tirensis, Sphenodiscus pleurisepta Sphenodiscus sp. Meek 1871 ammonite Sphenodiscus sp. Sphenodiscus tirensis ammonite Sphenodiscus tirensis Stephenson Sphenodiscus pleurisepta Conrad 1857 ammonite Sphenodiscus pleurisepta (Conrad)
Ammonitida - Scaphitidae	Discoscaphites conradi Discoscaphites conradi Morton 1834 ammonite Discoscaphites conradi (Morton) va
Ammonitida - Baculitidae	Baculites sp. Baculites sp. Lamarck 1799 ammonite Baculites sp.
Scaphopoda
Dentaliida - Dentaliidae	Dentalium leve Dentalium leve Stephenson 1923 tusk shell Dentalium leve Stephenson
Polychaeta
Sabellida - Serpulidae	Serpula sp. Serpula sp. Linnaeus 1758 Serpula sp.