Sohl and Koch OFR # 411 (Cretaceous of the United States)

Also known as Oxen Hill; USGS # 32770

Where: Prince Georges County, Maryland (38.8° N, 77.0° W: paleocoordinates 39.7° N, 52.9° W)

• small collection-level geographic resolution

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

• Haustator bilira assemblage zone

• formation-level stratigraphic resolution

Environment/lithology: marine; lithified, glauconitic, gray 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 4365: authorized by Matt Kosnik, entered by Matt Kosnik on 14.08.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

Anthozoa
 Scleractinia - Micrabaciidae
Micrabacia sp. Milne-Edwards 1849 stony coral
Micrabacia spp.
Polychaeta
 Serpulimorpha -
Hamulus onyx Morton 1834
Hamulus onyx Morton
Cephalopoda
 Ammonitida - Sphenodiscidae
Sphenodiscus sp. Meek 1871 ammonite
Sphenodiscus sp.
Bivalvia
 Nuculida - Nuculidae
Nucula percrassa nut clam
Nucula percrassa Conrad
 Nuculanida - Malletiidae
Malletia longfrons, "Perissonata littlei" = Perrisonota, "Perissonata sp. n. sp." = Perrisonota
Malletia longfrons clam
Malletia longfrons (Conrad)
"Perissonata littlei" = Perrisonota clam
Perissonata littlei Gardner
"Perissonata sp. n. sp." = Perrisonota Conrad 1869 clam
Perissonata n. sp. (lg. smooth) - originally entered as "Perissonata n. sp."
 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)
 Mytilida - Crenellidae
Crenella serica Conrad 1860 clam
Crenella serica Conrad
 Mytilida - Mytilidae
Botula conchafodentis mussel
Botula conchafodentis (Gardner)
Botula lingua mussel
Botula lingua Gardner
 Pectinida - Anomiidae
Anomia (Anomia) argentaria Morton 1833 jingle
Anomia (Anomia) argentaria Morton
Anomia (Anomia) ornata Gabb 1876 jingle
Anomia (Anomia) ornata Gabb
 Pectinida - Entoliidae
Syncyclonema simplicius scallop
Syncylonema simplicus (Conrad) - originally entered as "Syncylonema simplicius"
 Pectinida - Pectinoidae
Camptonectes (Camptonectes) sp. Meek 1864 scallop
Camptonectes (Comptonectes) sp.
 Ostreida - Gryphaeidae
"Exogyra costata" = Exogyra (Exogyra) costata
"Exogyra costata" = Exogyra (Exogyra) costata Say 1820 oyster
Exogyra costata Say
 Ostreida - Flemingostreidae
Cubitostrea tecticosta Gabb 1860 oyster
Cubitostrea tecticosta (Gabb)
 Arcida - Arcidae
Striarca cuneata clam
Striarca cuneata Gabb
Striarca saffordi clam
Striarca saffordi (Gardner) non Gab
 Poromyida - Poromyidae
Liopistha protexta Conrad 1853 clam
Liopistha protexta Conrad
 Solenida - Pharidae
Leptosolen biplicata Conrad 1858 clam
Leptosolen biplicata (Conrad)
 Hiatellida - Hiatellidae
Panopea monmouthensis clam
Panopea monmouthensis Gardner
 Pholadida - Corbulidae
Corbula monmouthensis Gardner 1916 clam
Corbula monmouthensis Gardner
Corbula sp. Bruguière 1789 clam
Corbula sp.
 Pholadida - Pholadidae
Opertochasma sp. Stephenson 1953 clam
Opertochasma sp.
Clavipholas pectorosa clam
Claripholas pectorosa (Conrad)
 Cardiida - Tellinidae
Aenona eufaulensis Conrad 1860 tellin clam
Aenona eufaulensis (Conrad)
 Cardiida - Cardiidae
Trachycardium eufaulensis Conrad 1860 cockle
Trachycardium eufaulensis (Conrad)
Granocardium (Granocardium) lowei cockle
Granocardium (Granocardium) lowei
 Cardiida - Arcticidae
Tenea parilis clam
Tenea parilis Conrad
 Cardiida - Mactridae
Cymbophora appressa clam
Cymbophora appressa (Gabb)
Cymbophora berryi clam
Cymbophora berryi (Gardner)
 Cardiida - Veneridae
Cyprimeria alta venus clam
Cyprimeria alta Conrad
Cyprimeria depressa venus clam
Cyprimeria depressa Conrad
 Cardiida - Glossidae
Glossus sp. Poli 1795 clam
Glossus sp.
 Carditida - Crassatellidae
Crassatella vadosa Morton 1834 clam
Crassatella vadosa vadosa Morton
Bathytormus pteropsis Conrad 1860 clam
Bathytormus pteropsis (Conrad)
 Trigoniida - Megatrigonioidae
Pterotrigonia (Scabrotrigonia) eufaulensis Gabb 1860 clam
Pterotrigonia (Scabrotrigonia) euf
Gastropoda
 Heterostropha - Mathildidae
Mathilda cf. cedarensis Stephenson 1941 snail
Mathilda cf. M. cedarensis Stephen - originally entered as "Mathilda cf. cedarensis"
 Heterostropha - Pyramidellidae
Creonella triplicata Wade 1917 snail
Creonella triplicata Wade
 Heterostropha - Ringiculidae
"Ringicula (Ringiculella) clarki" = Ringicula (Ringiculina) clarki
"Ringicula (Ringiculella) clarki" = Ringicula (Ringiculina) clarki Durham 1944 snail
Ringicula (Ringiculella) clarki Ga
 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
 Cerithioidea - Pickworthiidae
Urceolabrum tuberculatum snail
Urceolabrum turberculatum callistu
 Neogastropoda - Moreidae
Hercorhynchus (Hercorhyncus) sp. snail
Hercorhyncus (Hercorhyncus) sp. - originally entered as "Hercorhyncus sp."
 Neogastropoda - Turbinellidae
Napulus octoliratus Conrad 1858 snail
Napulus octoliratus Conrad
 Neogastropoda - Melongenidae
Pyrifusus sp. Conrad 1858 snail
Pyrifusus sp.
 Neogastropoda - Fasciolariidae
Bellifusus sp. Stephenson 1941 snail
Bellifusus sp.
Hercorhynchus (Hercorhyncus) pagodaformis Sohl 1964 snail
Hercorhyncus (Hercorhyncus) pagoda - originally entered as "Hercorhyncus pagodaformis"
 Neogastropoda - Buccinidae
"Stantonella interupta" = Stantonella interrupta
"Stantonella interupta" = Stantonella interrupta Conrad 1858 true whelk
Stantonella interupta (Conrad)
 Neogastropoda - Paladmetidae
Paladmete cancellaria Conrad 1858 snail
Paladmete cancellaria (Conrad)
 Neogastropoda - Turridae
Beretra ripleyana Conrad 1858 turrid
Beretra ripleyana (Conrad)
 Sorbeoconcha - Naticidae
Euspira rectilabrum Conrad 1858 moon snail
Euspira rectilabrum (Conrad)
"Gyrodes spillmani" = Gyrodes (Sohlella) spillmani Gabb 1861 moon snail
Gyrodes spillmani Gabb
Scaphopoda
 Dentaliida - Dentaliidae
Dentalium leve Stephenson 1923 tusk shell
Dentalium leve Stephenson