PBDB Collection

Sohl and Koch OFR # 430 (Cretaceous of the United States)

Also known as Lanham; USGS # 31082

Where: Prince Georges County, Maryland (38.9° N, 76.8° W: paleocoordinates 39.8° N, 52.7° W)

• small collection-level geographic resolution

When: Discoscaphites conradi ammonoid zone, upper Member (Severn Formation), Late/Upper Maastrichtian (70.6 - 66.0 Ma)

• Haustator bilira assemblage zone

• member-level stratigraphic resolution

Environment/lithology: marine; gray, argillaceous sandstone

Size class: macrofossils

Reposited in the USGS

Collection methods: bulk,

• Sohl collection

Primary reference: N. F. Sohl and C. F. Koch. 1987. Upper Cretaceous (Maestrichtian) larger invertebrates from the Haustator bilira Assemblage Zone in the Atlantic Coastal Plain with further data for the East Gulf. USGS Open File Report 87-194:1-172 [M. Kosnik/M. Kosnik]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 4374: authorized by Matt Kosnik, entered by Matt Kosnik on 14.08.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

Polychaeta
Serpulimorpha -	Hamulus onyx Hamulus onyx Morton 1834 Hamulus onyx Morton
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
Scaphopoda
Dentaliida - Dentaliidae	Dentalium leve Dentalium leve Stephenson 1923 tusk shell Dentalium leve Stephenson
Gastropoda
Heterostropha - Pyramidellidae	Creonella triplicata Creonella triplicata Wade 1917 snail Creonella triplicata Wade
Heterostropha - Ringiculidae	Oligoptycha sp. Oligoptycha sp. Meek 1876 snail Oligoptycha sp.
Cerithioidea - Cerithiidae	Cerithium aff. weeksi Cerithium aff. weeksi Wade 1926 cerith snail Cerithium aff. Certhium weeksi Wa - originally entered as "Cerithium aff. weeksi"
Cerithioidea - Turritellidae	"Turritella (Sohlitella) bilira" = Haustator bilira, Turritella hilgardi "Turritella (Sohlitella) bilira" = Haustator bilira Stephenson 1941 turret shell Turritella (Sohlitella) bilira (St Turritella hilgardi turret shell Turritella hilgardi Sohl
Cerithioidea - Pickworthiidae	Urceolabrum tuberculatum Urceolabrum tuberculatum snail Urceolabrum turberculatum callistu
Neogastropoda - Fasciolariidae	Remera flexicostata Remera flexicostata Sohl 1964 snail Remera flexicostata Sohl
Neogastropoda - Paladmetidae	Paladmete cancellaria Paladmete cancellaria Conrad 1858 snail Paladmete cancellaria (Conrad)
Neogastropoda - Moreidae	Hercorhynchus (Hercorhyncus) sp. Hercorhynchus (Hercorhyncus) sp. snail Hercorhyncus (Hercorhyncus) sp. - originally entered as "Hercorhyncus sp."
Sorbeoconcha - Aporrhaidae	"Arrhoges (Latiala) cf. lobata" = Latiala lobata "Arrhoges (Latiala) cf. lobata" = Latiala lobata Wade 1926 snail Arrhoges (Latiala) cf. A. Lobata ( - originally entered as "Arrhoges cf. lobata"
Bivalvia
Nuculanida - Nuculanidae	Nuculana whitfieldi Nuculana whitfieldi pointed nut clam Nuculana whitfieldi (Gardner)
Nuculanida - Malletiidae	Malletia longfrons Malletia longfrons clam Malletia longfrons (Conrad)
Mytilida - Crenellidae	Crenella serica Crenella serica Conrad 1860 clam Crenella serica Conrad
Mytilida - Mytilidae	? Mytilus sp. ? Mytilus sp. Linnaeus 1758 mussel Mytilus? sp. - originally entered as "Mytilus ? sp."
Pectinida - Entoliidae	Syncyclonema simplicius Syncyclonema simplicius scallop Syncylonema simplicus (Conrad) - originally entered as "Syncylonema simplicius"
Ostreida - Pinnidae	Pinna (Pinna) sp. Pinna (Pinna) sp. Linnaeus 1758 oyster Pinna (Pinna) sp.
Ostreida - Flemingostreidae	Cubitostrea tecticosta Cubitostrea tecticosta Gabb 1860 oyster Cubitostrea tecticosta (Gabb)
Arcida - Parallelodontidae	Nemodon eufaulensis Nemodon eufaulensis clam Nemodon eufaulensis (Gabb) [entered as Nemodon eufaulensis]
Arcida - Arcidae	Striarca saffordi Striarca saffordi clam Striarca saffordi (Gardner) non Gab
Arcida - Glycymerididae	Postligata wordeni Postligata wordeni clam Postligata wordeni Gardner
Cardiida - Cardiidae	Trachycardium eufaulensis Trachycardium eufaulensis Conrad 1860 cockle Trachycardium eufaulensis (Conrad)
Cardiida - Tellinidae	Aenona eufaulensis, "Linearia metastriata" = Linearis Aenona eufaulensis Conrad 1860 tellin clam Aenona eufaulensis (Conrad) "Linearia metastriata" = Linearis tellin clam Linearia metastriata Conrad
Cardiida - Veneridae	Cyclorisma parva, Legumen ellipticum Cyclorisma parva venus clam Cyclorisma parva (Gardner) Legumen ellipticum venus clam Legumen ellipticum Conrad
Cardiida - Mactridae	Cymbophora appressa, Cymbophora berryi Cymbophora appressa clam Cymbophora appressa (Gabb) Cymbophora berryi clam Cymbophora berryi (Gardner)
Cardiida - Arcticidae	Veniella conradi, Tenea parilis Veniella conradi Morton 1833 clam Veniella conradi (Morton) Tenea parilis clam Tenea parilis Conrad
Pholadida - Corbulidae	Corbula monmouthensis, Caestocorbula (Parmicorbula) percompressa, Caestocorbula (Caesticorbula) crassaplica Corbula monmouthensis Gardner 1916 clam Corbula monmouthensis Gardner Caestocorbula (Parmicorbula) percompressa clam Caesticorbula (Parmicorbula) perco - originally entered as "Caesticorbula percompressa" Caestocorbula (Caesticorbula) crassaplica Vincent 1910 clam Caesticorbula (Caesticorbula) cras - originally entered as "Caesticorbula crassaplica"
Solenida - Pharidae	Leptosolen biplicata Leptosolen biplicata Conrad 1858 clam Leptosolen biplicata (Conrad)
Poromyida - Poromyidae	Liopistha protexta Liopistha protexta Conrad 1853 clam Liopistha protexta Conrad
Carditida - Crassatellidae	Crassatella vadosa, Scambula perplana Crassatella vadosa Morton 1834 clam Crassatella vadosa vadosa Morton Scambula perplana Conrad 1869 clam Scambula perplana Conrad
Carditida - Carditidae	Vetericardiella crenalirata Vetericardiella crenalirata clam Vetericardiella crenalirata (Conra
Trigoniida - Megatrigonioidae	Pterotrigonia (Scabrotrigonia) eufaulensis Pterotrigonia (Scabrotrigonia) eufaulensis Gabb 1860 clam Pterotrigonia (Scabrotrigonia) euf
Myoida -	Eufistulina sp. Eufistulina sp. Eames 1951 clam Eufistulana sp. - originally entered as "Eufistulana sp."
Anthozoa
Scleractinia - Micrabaciidae	Micrabacia sp. Micrabacia sp. Milne-Edwards 1849 stony coral Micrabacia spp.