Sohl and Koch OFR # 666 (Cretaceous of the United States)

Also known as Walkers Ck-1; USGS # 32180

Where: Milam County, Texas (30.9° N, 97.0° W: paleocoordinates 36.3° N, 75.6° W)

• small collection-level geographic resolution

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

• Haustator bilira assemblage zone

• member-level stratigraphic resolution

Environment/lithology: marine; glauconitic, gray, silty claystone

Size class: mesofossils

Preservation: original aragonite, original calcite

Reposited in the USGS

Collection methods: bulk,

• Sohl 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 4444: authorized by Matt Kosnik, entered by Matt Kosnik on 14.08.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

Bryozoa
  -
Bryozoa indet. Ehrenberg 1831
Bryozoa (branching)
Bivalvia
 Nuculanida - Nuculanidae
Nuculana whitfieldi pointed nut clam
Nuculana whitfieldi (Gardner)
 Mytilida - Crenellidae
Crenella serica Conrad 1860 clam
Crenella serica Conrad
 Ostreida - Gryphaeidae
"Exogyra costata" = Exogyra (Exogyra) costata
"Exogyra costata" = Exogyra (Exogyra) costata Say 1820 oyster
Exogyra costata Say
 Ostreida - Flemingostreidae
Cubitostrea tecticosta Gabb 1860 oyster
Cubitostrea tecticosta (Gabb)
 Pectinida - Limidae
Lima (Lima) pelagica Morton 1833 file clam
Lima (Lima) pelagica (Morton)
 Pectinida - Anomiidae
Anomia (Anomia) argentaria Morton 1833 jingle
Anomia (Anomia) argentaria Morton
 Pectinida - Entoliidae
Syncyclonema simplicius scallop
Syncylonema simplicus (Conrad) - originally entered as "Syncylonema simplicius"
Syncyclonema ? kingi Stephenson 1941 scallop
Syncylonema ? kingi (Stephenson) - originally entered as "Syncylonema ? kingi"
 Arcida - Arcidae
Striarca webbervillensis clam
Striarca webbervillensis (Stephens
 Carditida - Carditidae
Vetericardiella webbervillensis clam
Vetericardiella webbervillensis (S
 Pandorida - Laternulidae
Periplomya sp. Conrad 1870 clam
Periplomya sp.
 Cardiida - Cardiidae
Granocardium (Granocardium) lowei cockle
Granocardium (Granocardium) lowei
 Cardiida - Tellinidae
Tellinimera buboana, "Linearia metastriata" = Linearis
Tellinimera buboana tellin clam
Tellinimeria buboana Stephenson - originally entered as "Tellinimeria buboana"
"Linearia metastriata" = Linearis tellin clam
Linearia metastriata Conrad
 Trigoniida - Megatrigonioidae
Pterotrigonia (Scabrotrigonia) sp. Dietrich 1933 clam
Pterotrigonia (Scabrotrigonia) sp.
Scaphopoda
 Dentaliida - Dentaliidae
Dentalium sp. Linnaeus 1758 tusk shell
Dentalium sp. (ribbed)
Dentalium leve Stephenson 1923 tusk shell
Dentalium leve Stephenson
Gastropoda
 Opisthobranchia - Cylichnidae
Cylichna sp. Lovén 1846 snail
Cylichna sp.
 Heterostropha - Ringiculidae
"Ringicula cf. pulchella" = Ringicula (Ringicula) pulchella
"Ringicula cf. pulchella" = Ringicula (Ringicula) pulchella Shumard 1861 snail
Ringicula cf. R. pulchella Shumard - originally entered as "Ringicula cf. pulchella"
 Sorbeoconcha - Aporrhaidae
Graciliala sp. Sohl 1960 snail
Graciliala sp.
 Neogastropoda -
Neogastropoda indet. Thiele 1929 snail
Neogastropods indeterminate
 Neogastropoda - Fasciolariidae
Bellifusus sp. Stephenson 1941 snail
Bellifusus sp.
 Sorbeoconcha - Naticidae
Euspira rectilabrum Conrad 1858 moon snail
Euspira rectilabrum (Conrad)
 Epitonioidea - Epitoniidae
Striaticostatum sp. Sohl 1963 wentletrap
Striaticostatum sp.
 Cerithioidea - Turritellidae
"Turritella (Sohlitella) bilira" = Haustator bilira Stephenson 1941 turret shell
Turritella (Sohlitella) bilira (St
Laxispira monilifera Sohl 1964 turret shell
Laxispira monilifera Sohl
Turritella sp. Lamarck 1799 turret shell
Turritella sp.
Turritella sp. n. sp. Lamarck 1799 turret shell
Turritella n. sp. (Multilirate) - originally entered as "Turritella n. sp."
Turritella vertebroides Morton 1834 turret shell
Turritella vertebroides Morton
Cephalopoda
 Ammonitida - Baculitidae
Baculites sp. Lamarck 1799 ammonite
Baculites sp.
 Ammonitida - Scaphitidae
Scaphites sp. Parkinson 1811 ammonite
Scaphites sp.
unclassified
  -
Vertebrata indet. Lamarck 1801
Fish parts