Sohl and Koch OFR # 538 (Cretaceous of the United States)

Also known as Hope; USGS # 12936 : 13411

Where: Hempstead County, Arkansas (33.8° N, 93.7° W: paleocoordinates 38.5° N, 70.8° W)

• outcrop-level geographic resolution

When: Arkadelphia marl Formation, Maastrichtian (72.1 - 66.0 Ma)

• Haustator bilira assemblage zone.

• formation-level stratigraphic resolution

Environment/lithology: marine; gray claystone

Size class: macrofossils

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 4390: authorized by Matt Kosnik, entered by Matt Kosnik on 14.08.1999, edited by Uta Merkel

Creative Commons license: CC BY (attribution)

Taxonomic list

Anthozoa
 Scleractinia - Caryophylliidae
"Caryophyllia stephensoni" = Caryophyllia konincki
"Caryophyllia stephensoni" = Caryophyllia konincki Milne-Edwards and Haime 1848 stony coral
unclassified
  -
Vertebrata indet. Lamarck 1801
Otolith, Fish parts
Polychaeta
 Sabellida - Serpulidae
Serpula sp. Linnaeus 1758
Serpula sp.
Scaphopoda
 Dentaliida - Dentaliidae
Dentalium sp. Linnaeus 1758 tusk shell
Dentalium sp. (ribbed)
Dentalium leve Stephenson 1923 tusk shell
Dentalium leve Stephenson
 Gadilida - Gadilidae
Cadulus obnutus tusk shell
Cadulus obnutus (Conrad)
Bivalvia
 Mytilida - Crenellidae
Crenella serica Conrad 1860 clam
Crenella serica Conrad
 Arcida - Arcidae
Striarca sp. Conrad 1862 clam
Striarca sp.
 Ostreida - Ostreidae
Ostrea plumosa Morton 1833 oyster
Ostrea plumosa Morton
 Ostreida - Flemingostreidae
Cubitostrea tecticosta Gabb 1860 oyster
Cubitostrea tecticosta (Gabb)
 Ostreida - Gryphaeidae
Gryphaeostrea vomer Morton 1828 oyster
Gryphaeostrea vomer Morton
 Ostreida - Pteriidae
Pteria sp. Scopoli 1777 pearl oyster
Pteria sp.
 Pectinida - Entoliidae
Syncyclonema simplicius scallop
Syncylonema simplicus (Conrad) - originally entered as "Syncylonema simplicius"
 Pholadida - Corbulidae
Caestocorbula (Caesticorbula) crassaplica Vincent 1910 clam
Caesticorbula (Caesticorbula) cras - originally entered as "Caesticorbula crassaplica"
 Nuculanida - Nuculanidae
Nuculana whitfieldi pointed nut clam
Nuculana whitfieldi (Gardner)
 Nuculanida - Malletiidae
Malletia longfrons clam
Malletia longfrons (Conrad)
Cephalopoda
 Ammonitida - Baculitidae
Baculites sp. Lamarck 1799 ammonite
Baculites sp.
 Ammonitida - Scaphitidae
Discoscaphites conradi Morton 1834 ammonite
Discoscaphites conradi (Morton) va
 Ammonitida - Sphenodiscidae
Sphenodiscus sp. Meek 1871 ammonite
Sphenodiscus sp.
Gastropoda
 Opisthobranchia - Cylichnidae
Cylichna sp. Lovén 1846 snail
Cylichna sp.
 Heterostropha - Mathildidae
Mathilda aff. ripleyana Wade 1926 snail
Mathilda aff. M. ripleyana Wade - originally entered as "Mathilda aff. ripleyana"
 Epitonioidea - Epitoniidae
Striaticostatum sp. Sohl 1963 wentletrap
Striaticostatum sp.
 Cerithioidea - Turritellidae
"Turritella (Sohlitella) bilira" = Haustator bilira, "Turritella (Sohlitella) trilira" = Turritella trilira
"Turritella (Sohlitella) bilira" = Haustator bilira Stephenson 1941 turret shell
Turritella (Sohlitella) bilira (St
"Turritella (Sohlitella) trilira" = Turritella trilira Conrad 1860 turret shell
Turritella (Sohlitella) trilira (C
 Neogastropoda -
Neogastropoda indet. Thiele 1929 snail
Neogastropods indeterminate
 Neogastropoda - Fasciolariidae
Bellifusus spinosus Sohl 1964 snail
Bellifusus spinosus Sohl