Sohl and Koch OFR # 743 (Cretaceous of the United States)

Also known as Hilda siding; USGS # 32829

Where: Guadalupe County, Texas (29.6° N, 98.1° W: paleocoordinates 35.2° N, 77.1° W)

• small collection-level geographic resolution

When: lower Member (Escondido Formation), Late/Upper Maastrichtian (70.6 - 66.0 Ma)

• Haustator bilira assemblage zone.

• member-level stratigraphic resolution

Environment/lithology: estuary or bay; silty claystone

Size class: mesofossils

Preservation: 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 4504: authorized by Matt Kosnik, entered by Matt Kosnik on 14.08.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

Polychaeta
 Sabellida - Serpulidae
Serpula sp. Linnaeus 1758
Serpula sp.
 Serpulimorpha -
Hamulus onyx Morton 1834
Hamulus onyx Morton
Bivalvia
 Arcida - Arcidae
Arca rostellata ark
Arca rostellata (Morton)
 Arcida - Cucullaeidae
"Cucullaea (Idonearca) capax" = Idonearca capax
"Cucullaea (Idonearca) capax" = Idonearca capax Conrad 1858 clam
Cucullaea (Idonearca) capax Conrad
 Pectinida - Limidae
Lima (Lima) geronimoensis Stephenson 1941 file clam
Lima (Lima) geronimoensis Stephens
Lima (Lima) pelagica Morton 1833 file clam
Lima (Lima) pelagica (Morton)
 Pectinida - Plicatulidae
Plicatula (Plicatula) sp. Lamarck 1801 scallop
Plicatula (Plicatula) sp.
 Pectinida - Anomiidae
Anomia (Anomia) argentaria Morton 1833 jingle
Anomia (Anomia) argentaria Morton
 Ostreida - Gryphaeidae
Pycnodonte vesicularis Lamarck 1806 oyster
Pycnodonte vesicularis Lamarck
Exogyra costata Say 1971 oyster
Exogyra costata Say
Gryphaeostrea vomer Morton 1828 oyster
Gryphaeostrea vomer Morton
 Ostreida - Flemingostreidae
Cubitostrea tecticosta Gabb 1860 oyster
Cubitostrea tecticosta (Gabb)
 Mytilida - Mytilidae
Crenella serica Conrad 1860 mussel
Crenella serica Conrad
 Carditida - Crassatellidae
Crassatella vadosa Morton 1834 clam
Crassatella vadosa vadosa Morton
 Pholadida - Corbulidae
Caestocorbula (Caesticorbula) crassaplica Vincent 1910 clam
Caesticorbula (Caesticorbula) cras - originally entered as "Caesticorbula crassaplica"
 Cardiida - Arcticidae
Veniella conradi Morton 1833 clam
Veniella conradi (Morton)
Gastropoda
 Sorbeoconcha - Turritellidae
Turritella sp. n. sp. Lamarck 1799 turret shell
Turritella n. sp. (Multilirate) - originally entered as "Turritella n. sp."
Turritella sp. Lamarck 1799 turret shell
Turritella sp.
Bryozoa
  -
Bryozoa indet. Ehrenberg 1831
Bryozoa (encrusting)
Echinoidea
  -
Echinoidea indet. Leske 1778 sea urchin
Echinoid sp. - originally entered as "Echinoidea sp."
Demospongea
 Clavulina - Clionaidae
Cliona sp. demosponge
Clione sp.