PBDB Collection

Sohl and Koch OFR # 422 (Cretaceous of the United States)

Also known as Brightseat; USGS # 32773

Where: Prince Georges County, Maryland (38.9° N, 76.9° W: paleocoordinates 39.7° N, 52.8° W)

• small collection-level geographic resolution

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

• Haustator bilira assemblage zone

• member-level stratigraphic resolution

Environment/lithology: marine; glauconitic, gray, argillaceous sandstone

Size class: macrofossils

Preservation: original aragonite, original calcite

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 4372: 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

unclassified
-	Lithophagidae indet. Lithophagidae indet. Lithophagid borings
Cephalopoda
Ammonitida - Sphenodiscidae	Sphenodiscus sp. Sphenodiscus sp. Meek 1871 ammonite Sphenodiscus sp.
Ammonitida - Scaphitidae	Discoscaphites conradi Discoscaphites conradi Morton 1834 ammonite Discoscaphites conradi (Morton) va
Nautilida - Nautilidae	Eutrephoceras dekayi Eutrephoceras dekayi Morton 1834 nautiloid Eutrephoceras dekayi (Morton)
Scaphopoda
Gadilida - Gadilidae	Cadulus obnutus Cadulus obnutus tusk shell Cadulus obnutus (Conrad)
Dentaliida - Dentaliidae	Dentalium leve Dentalium leve Stephenson 1923 tusk shell Dentalium leve Stephenson
Gastropoda
Heterostropha - Architectonicidae	Pseudomalaxis pateriformis Pseudomalaxis pateriformis Stephenson 1955 snail Pseudomalaxis pateriformis Stephen
Heterostropha - Ringiculidae	"Ringicula (Ringiculella) clarki" = Ringicula (Ringiculina) clarki "Ringicula (Ringiculella) clarki" = Ringicula (Ringiculina) clarki Durham 1944 snail Ringicula (Ringiculella) clarki Ga
Heterostropha - Acteonidae	"Actaeon sp." = Acteon "Actaeon sp." = Acteon Montfort 1810 snail Acteon sp. - originally entered as "Acteon sp."
Heterostropha - Mathildidae	Mathilda cf. cedarensis Mathilda cf. cedarensis Stephenson 1941 snail Mathilda cf. M. cedarensis Stephen - originally entered as "Mathilda cf. cedarensis"
Heterostropha - Gordenellidae	Promathilda (Clathrobaculus) cf. parvula Promathilda (Clathrobaculus) cf. parvula Sohl 1960 snail Promathilda (Clathrobaculus) cf. P - originally entered as "Promathilda cf. parvula"
Epitonioidea - Epitoniidae	Striaticostatum sp., Acirsa (Hemiacirsa) aff. americana, Belliscala sp. Striaticostatum sp. Sohl 1963 wentletrap Striaticostatum sp. Acirsa (Hemiacirsa) aff. americana Wade 1926 wentletrap Acirsa (Hemiacirsa) aff. A americ - originally entered as "Acirsa aff. americana" Belliscala sp. Stephenson 1941 wentletrap Belliscala sp.
Cerithioidea - Pickworthiidae	Urceolabrum tuberculatum Urceolabrum tuberculatum snail Urceolabrum turberculatum callistu
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
Sorbeoconcha - Aporrhaidae	"Arrhoges (Latiala) cf. lobata" = Latiala lobata, Pterocerella tippana "Arrhoges (Latiala) cf. lobata" = Latiala lobata Wade 1926 snail Arrhoges (Latiala) cf. A. Lobata ( - originally entered as "Arrhoges cf. lobata" Pterocerella tippana snail Pterocerella tippana (Conrad)
Neogastropoda - Volutidae	Liopeplum cretaceum Liopeplum cretaceum Conrad 1858 volute Liopeplum cretaceum (Conrad)
Neogastropoda - Pholidotomidae	Morea marylandica Morea marylandica Gardner 1916 snail Morea marylandica Gardner
Neogastropoda - Muricidae	Sargana stantoni Sargana stantoni Weller 1907 murex snail Sargana stantoni (Weller)
Neogastropoda - Pyropsidae	Pyropsis sp. Pyropsis sp. Conrad 1860 snail Pyropsis spp.
Neogastropoda - Moreidae	Hercorhynchus (Haplovoluta) trililatus Hercorhynchus (Haplovoluta) trililatus snail Hercorhyncus (Haplovoluta) trilila - originally entered as "Hercorhyncus trililatus"
Neogastropoda - Olividae	"Ancilla (Ancillus) acutula" = Ancillus acutula "Ancilla (Ancillus) acutula" = Ancillus acutula Stephenson 1941 olive snail Ancilla (Ancillus) acutula (Stephe
Neogastropoda - Fasciolariidae	Drilluta sp., Hercorhynchus (Hercorhyncus) pagodaformis, Bellifusus sp., Remera flexicostata, Rhombopsis sp. Drilluta sp. Wade 1916 snail Drilluta sp. Hercorhynchus (Hercorhyncus) pagodaformis Sohl 1964 snail Hercorhyncus (Hercorhyncus) pagoda - originally entered as "Hercorhyncus pagodaformis" Bellifusus sp. Stephenson 1941 snail Bellifusus sp. Remera flexicostata Sohl 1964 snail Remera flexicostata Sohl Rhombopsis sp. Gardner 1916 snail Rhombopsis sp.
Neogastropoda - Turridae	Beretra ripleyana, Remnita anomalocostata, Remnita hastata Beretra ripleyana Conrad 1858 turrid Beretra ripleyana (Conrad) Remnita anomalocostata Wade 1926 turrid Remnita anomalocostata (Wade) Remnita hastata Sohl 1964 turrid Remnita hastata Sohl
Neogastropoda - Cancellariidae	Caveola acuta Caveola acuta Wade 1926 snail Caveola acuta speciosa Sohl
Neogastropoda - Paladmetidae	Paladmete cancellaria, Paladmete laevis Paladmete cancellaria Conrad 1858 snail Paladmete cancellaria (Conrad) Paladmete laevis Sohl 1964 snail Paladmete laevis Sohl
Neogastropoda - Turbinellidae	Napulus sp. Napulus sp. Stephenson 1941 snail Napulus sp.
Sorbeoconcha - Naticidae	"Gyrodes spillmani" = Gyrodes (Sohlella) spillmani, Polinices kummeli, Euspira rectilabrum "Gyrodes spillmani" = Gyrodes (Sohlella) spillmani Gabb 1861 moon snail Gyrodes spillmani Gabb Polinices kummeli Sohl 1960 moon snail Polinices kummeli Sohl Euspira rectilabrum Conrad 1858 moon snail Euspira rectilabrum (Conrad)
Opisthobranchia - Scaphandridae	Ellipsoscapha cylindrica Ellipsoscapha cylindrica Gardner 1916 snail Ellipsoscapha cylindrica (Gardner)
Bivalvia
Nuculanida - Malletiidae	"Perissonata protexta" = Perrisonota "Perissonata protexta" = Perrisonota clam Perissonata protexta (Conrad) non G
Nuculanida - Nuculanidae	Nuculana whitfieldi, "Nuculana rostrotruncata" = Nuculana rostratruncata Nuculana whitfieldi pointed nut clam Nuculana whitfieldi (Gardner) "Nuculana rostrotruncata" = Nuculana rostratruncata Gardner 1916 pointed nut clam Nuculana rostrotruncata (Gardner)
Nuculida - Nuculidae	"Nucula cuneifrons" = Nucula cunifrons, Nucula percrassa, Nucula amica "Nucula cuneifrons" = Nucula cunifrons Conrad 1860 nut clam Nucula cunifrons Conrad Nucula percrassa nut clam Nucula percrassa Conrad Nucula amica Gardner 1916 nut clam Nucula amica Gardner
Mytilida - Mytilidae	Lycettia tippanus Lycettia tippanus mussel Lycettia tippanus (Conrad)
Mytilida - Crenellidae	Crenella serica, Crenella elegantula Crenella serica Conrad 1860 clam Crenella serica Conrad Crenella elegantula Meek and Hayden 1862 clam Crenella elegantula Meek & Hayden
Ostreida - Flemingostreidae	Cubitostrea tecticosta Cubitostrea tecticosta Gabb 1860 oyster Cubitostrea tecticosta (Gabb)
Ostreida - Ostreidae	Arctostrea falacata Arctostrea falacata oyster Arctostrea falacata (Gabb)
Ostreida - Gryphaeidae	Exogyra sp. Exogyra sp. Say 1820 oyster Exogyra sp.
Ostreida - Pteriidae	Phelopteria linguiformis Phelopteria linguiformis pearl oyster Phelopteria linguiformis (Evans & Shu
Pectinida - Anomiidae	Anomia (Anomia) argentaria, Anomia (Anomia) ornata Anomia (Anomia) argentaria Morton 1833 jingle Anomia (Anomia) argentaria Morton Anomia (Anomia) ornata Gabb 1876 jingle Anomia (Anomia) ornata Gabb
Pectinida - Entoliidae	Syncyclonema simplicius Syncyclonema simplicius scallop Syncylonema simplicus (Conrad) - originally entered as "Syncylonema simplicius"
Pectinida - Pectinoidae	Camptonectes (Camptonectes) sp. Camptonectes (Camptonectes) sp. Meek 1864 scallop Camptonectes (Comptonectes) sp.
Arcida - Cucullaeidae	"Cucullaea (Idonearca) capax" = Idonearca capax "Cucullaea (Idonearca) capax" = Idonearca capax Conrad 1858 clam Cucullaea (Idonearca) capax Conrad
Arcida - Glycymerididae	Postligata wordeni Postligata wordeni clam Postligata wordeni Gardner
Arcida - Parallelodontidae	Nemodon eufaulensis Nemodon eufaulensis clam Nemodon eufaulensis (Gabb) [entered as Nemodon eufaulensis]
Arcida - Arcidae	Striarca sp. Striarca sp. Conrad 1862 clam Striarca sp.
Trigoniida - Megatrigonioidae	Pterotrigonia (Scabrotrigonia) eufaulensis Pterotrigonia (Scabrotrigonia) eufaulensis Gabb 1860 clam Pterotrigonia (Scabrotrigonia) euf
Lucinida - Lucinidae	Myrtea stephensoni Myrtea stephensoni clam Myrtea stephensoni Gardner
Poromyida - Poromyidae	Liopistha protexta Liopistha protexta Conrad 1853 clam Liopistha protexta Conrad
Pandorida - Laternulidae	Laternula ? robusta Laternula ? robusta clam Laternula ? robusta Stephenson - originally entered as "Laternula ? robusta"
Pholadida - Pholadidae	Clavipholas pectorosa Clavipholas pectorosa clam Claripholas pectorosa (Conrad)
Pholadida - Corbulidae	Caestocorbula (Parmicorbula) percompressa, Caestocorbula (Caesticorbula) crassaplica 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"
Cardiida - Mactridae	Cymbophora berryi, Cymbophora wordeni Cymbophora berryi clam Cymbophora berryi (Gardner) Cymbophora wordeni clam Cymbophora wordeni (Gardner)
Cardiida - Glossidae	Glossus sp. Glossus sp. Poli 1795 clam Glossus sp.
Cardiida - Veneridae	Cyprimeria alta, Cyprimeria depressa, Legumen ellipticum, Cyclorisma parva Cyprimeria alta venus clam Cyprimeria alta Conrad Cyprimeria depressa venus clam Cyprimeria depressa Conrad Legumen ellipticum venus clam Legumen ellipticum Conrad Cyclorisma parva venus clam Cyclorisma parva (Gardner)
Cardiida - Arcticidae	Etea sp., Tenea parilis Etea sp. Conrad 1873 clam Etea sp. Tenea parilis clam Tenea parilis Conrad
Cardiida - Cardiidae	Granocardium (Granocardium) kummeli, Trachycardium eufaulensis Granocardium (Granocardium) kummeli cockle Granocardium (Granocardium) kummel Trachycardium eufaulensis Conrad 1860 cockle Trachycardium eufaulensis (Conrad)
Cardiida - Tellinidae	Tellina sp., "Linearia metastriata" = Linearis, Aenona eufaulensis, Solyma gardnerae, Tellinimera gabbi Tellina sp. Linnaeus 1758 tellin clam Tellina sp. "Linearia metastriata" = Linearis tellin clam Linearia metastriata Conrad Aenona eufaulensis Conrad 1860 tellin clam Aenona eufaulensis (Conrad) Solyma gardnerae tellin clam Solyma gardnerae Stephenson Tellinimera gabbi tellin clam Tellinimeria gabbi Gardner - originally entered as "Tellinimeria gabbi"
Solenida - Pharidae	Leptosolen biplicata Leptosolen biplicata Conrad 1858 clam Leptosolen biplicata (Conrad)
Carditida - Crassatellidae	Crassatella vadosa Crassatella vadosa Morton 1834 clam Crassatella vadosa vadosa Morton
Carditida - Carditidae	Vetericardiella crenalirata Vetericardiella crenalirata clam Vetericardiella crenalirata (Conra
Bryozoa
-	Bryozoa indet. Bryozoa indet. Ehrenberg 1831 Bryozoa (branching)
Polychaeta
Serpulimorpha -	Hamulus squamosus, Hamulus onyx Hamulus squamosus Hamulus squamosus Gabb Hamulus onyx Morton 1834 Hamulus onyx Morton
unclassified
-	Vertebrata indet. Vertebrata indet. Lamarck 1801 Shark parts
Anthozoa
Scleractinia - Micrabaciidae	Micrabacia sp. Micrabacia sp. Milne-Edwards 1849 stony coral Micrabacia spp.
Mesostoma
-	Mesostoma sp. Mesostoma sp. Ehrenberg 1837 Mesostoma sp.