PBDB Collection

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

Show authors, comments, and common names

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