PBDB Collection

Sohl and Koch OFR # 417 (Cretaceous of the United States)

Also known as Central Ave; USGS # 28858

Where: Prince Georges County, Maryland (38.9° N, 76.8° 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; lithified, 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 4368: 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

Bryozoa
-	Bryozoa indet. Bryozoa indet. Ehrenberg 1831 Bryozoa (branching)
Polychaeta
Serpulimorpha -	Hamulus ? huntensis, Hamulus squamosus, Hamulus onyx Hamulus ? huntensis Hamulus? huntensis Stephenson - originally entered as "Hamulus ? huntensis" Hamulus squamosus Hamulus squamosus Gabb 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
Ammonitida - Sphenodiscidae	Sphenodiscus sp. Sphenodiscus sp. Meek 1871 ammonite Sphenodiscus sp.
Nautilida - Nautilidae	Eutrephoceras dekayi Eutrephoceras dekayi Morton 1834 nautiloid Eutrephoceras dekayi (Morton)
Scaphopoda
Dentaliida - Dentaliidae	Dentalium leve Dentalium leve Stephenson 1923 tusk shell Dentalium leve Stephenson
Gastropoda
Heterostropha - Gordenellidae	Promathilda (Clathrobaculus) cf. parvula Promathilda (Clathrobaculus) cf. parvula Sohl 1960 snail Promathilda (Clathrobaculus) cf. P - originally entered as "Promathilda cf. parvula"
Heterostropha - Mathildidae	Mathilda cf. cedarensis Mathilda cf. cedarensis Stephenson 1941 snail Mathilda cf. M. cedarensis Stephen - originally entered as "Mathilda cf. cedarensis"
Heterostropha - Pyramidellidae	Creonella triplicata Creonella triplicata Wade 1917 snail Creonella triplicata Wade
Heterostropha - Architectonicidae	Pseudomalaxis pilsbryi Pseudomalaxis pilsbryi snail Pseudomalaxis pilsbryi Harbison
Heterostropha - Acteonidae	"Actaeon cicatricosus" = Acteon, "Nonacteonina sp. n. sp." = Nonactaeonina "Actaeon cicatricosus" = Acteon snail Acteon cicatricosus Sohl - originally entered as "Acteon cicatricosus" "Nonacteonina sp. n. sp." = Nonactaeonina snail "Nonacteonina n. sp. (slender, subs" - originally entered as "Nonacteonina n. sp."
Heterostropha - Ringiculidae	Oligoptycha sp., "Ringicula (Ringiculella) clarki" = Ringicula (Ringiculina) clarki Oligoptycha sp. Meek 1876 snail Oligoptycha sp. "Ringicula (Ringiculella) clarki" = Ringicula (Ringiculina) clarki Durham 1944 snail Ringicula (Ringiculella) clarki Ga
Euomphalina - Euomphalidae	Weeksia sp. Weeksia sp. Stephenson 1941 snail Weeksia sp. (no spines)
Opisthobranchia - Scaphandridae	Ellipsoscapha mortoni Ellipsoscapha mortoni Forbes 1845 snail Ellipsoscapha mortoni (Forbes)
Opisthobranchia - Cylichnidae	Cylichna sp. Cylichna sp. Lovén 1846 snail Cylichna sp.
Cerithioidea - Turritellidae	"Turritella (Sohlitella) bilira" = Haustator bilira, Turritella paravertebroides, "Turritella (Sohlitella) trilira" = Turritella trilira "Turritella (Sohlitella) bilira" = Haustator bilira Stephenson 1941 turret shell Turritella (Sohlitella) bilira (St Turritella paravertebroides turret shell Turritella paravertebroides Gardne "Turritella (Sohlitella) trilira" = Turritella trilira Conrad 1860 turret shell Turritella (Sohlitella) trilira (C
Cerithioidea - Pickworthiidae	Urceolabrum tuberculatum Urceolabrum tuberculatum snail Urceolabrum turberculatum callistu
Epitonioidea - Epitoniidae	Striaticostatum sparsum, Belliscala sp. Striaticostatum sparsum Sohl 1964 wentletrap Striaticostatum sparsum Sohl Belliscala sp. Stephenson 1941 wentletrap Belliscala sp.
Sorbeoconcha - Naticidae	Gyrodes americanus, "Gyrodes spillmani" = Gyrodes (Sohlella) spillmani, Gyrodes supraplicatus, Polinices kummeli, Euspira rectilabrum Gyrodes americanus moon snail Gyrodes americanus Wade "Gyrodes spillmani" = Gyrodes (Sohlella) spillmani Gabb 1861 moon snail Gyrodes spillmani Gabb Gyrodes supraplicatus Conrad 1858 moon snail Gyrodes supraplicatus (Conrad) Polinices kummeli Sohl 1960 moon snail Polinices kummeli Sohl Euspira rectilabrum Conrad 1858 moon snail Euspira rectilabrum (Conrad)
Neogastropoda - Fasciolariidae	Remera juncea, Remera flexicostata, Anomalofusus sp., Anomalofusus lemniscatus, Graphidula terebriformis, Hercorhynchus (Hercorhyncus) tippanus, Drilluta marylandicus, Bellifusus sp., Bellifusus curvicostatus, "Palaeopsephaea tenuilirata" = Paleopsephaea Remera juncea snail Remera juncea (Gardner) Remera flexicostata Sohl 1964 snail Remera flexicostata Sohl Anomalofusus sp. Wade 1916 snail Anomalofusus sp. Anomalofusus lemniscatus Sohl 1964 snail Anomalofusus lemniscatus Sohl Graphidula terebriformis Stephenson 1941 snail Graphidula terebriformis Stephenso Hercorhynchus (Hercorhyncus) tippanus Conrad 1860 snail Hercorhyncus (Hercorhyncus) tippan - originally entered as "Hercorhyncus tippanus" Drilluta marylandicus snail Drilluta marylandicus (Gardner) Bellifusus sp. Stephenson 1941 snail Bellifusus sp. Bellifusus curvicostatus Wade 1926 snail Bellifusus curvicostatus (Wade) "Palaeopsephaea tenuilirata" = Paleopsephaea snail Paleopsephaea tenuilirata Sohl - originally entered as "Paleopsephaea tenuilirata"
Neogastropoda - Buccinidae	"Stantonella interupta" = Stantonella interrupta "Stantonella interupta" = Stantonella interrupta Conrad 1858 true whelk Stantonella interupta (Conrad)
Neogastropoda - Melongenidae	Deussenia bellalirata, ? Serrifusus sp. n. sp., Pyrifusus crassus Deussenia bellalirata Conrad 1858 snail Deussenia bellalirata (Conrad) ? Serrifusus sp. n. sp. Meek 1876 snail Serrifusus ? n. sp. - originally entered as "Serrifusus ? n. sp." Pyrifusus crassus Sohl 1964 snail Pyrifusus crassus Sohl
Neogastropoda - Paladmetidae	Paladmete cancellaria, Paladmete laevis Paladmete cancellaria Conrad 1858 snail Paladmete cancellaria (Conrad) Paladmete laevis Sohl 1964 snail Paladmete laevis Sohl
Neogastropoda - Moreidae	Hercorhynchus (Hercorhyncus) sp., Hercorhynchus (Haplovoluta) trililatus Hercorhynchus (Hercorhyncus) sp. snail Hercorhyncus (Hercorhyncus) sp. - originally entered as "Hercorhyncus sp." Hercorhynchus (Haplovoluta) trililatus snail Hercorhyncus (Haplovoluta) trilila - originally entered as "Hercorhyncus trililatus"
Neogastropoda - Pyropsidae	Pyropsis prolixa Pyropsis prolixa Sohl 1964 snail Pyropsis prolixa Sohl
Neogastropoda - Turridae	Beretra ripleyana, Fusimilis tippanus, Amuletum (Amuletum) dumasensis Beretra ripleyana Conrad 1858 turrid Beretra ripleyana (Conrad) Fusimilis tippanus Conrad 1858 turrid Fusimilis tippanus (Conrad) Amuletum (Amuletum) dumasensis Sohl 1964 turrid Amuletum (Amuletum) dumasensis Soh
Neogastropoda - Olividae	"Ancilla (Ancillus) acutula" = Ancillus acutula "Ancilla (Ancillus) acutula" = Ancillus acutula Stephenson 1941 olive snail Ancilla (Ancillus) acutula (Stephe
Neogastropoda - Turbinellidae	Napulus octoliratus Napulus octoliratus Conrad 1858 snail Napulus octoliratus Conrad
Neogastropoda - Pholidotomidae	Morea marylandica Morea marylandica Gardner 1916 snail Morea marylandica Gardner
Neogastropoda - Volutidae	Volutidae indet., Myobarbum ? monmouthensis, Liopeplum cretaceum, Liopeplum canalis, Longoconcha sp. Volutidae indet. Rafinesque 1815 volute Volutid snail Myobarbum ? monmouthensis volute Myobarbum ? monmouthensis (Gardner - originally entered as "Myobarbum ? monmouthensis" Liopeplum cretaceum Conrad 1858 volute Liopeplum cretaceum (Conrad) Liopeplum canalis Conrad 1858 volute Liopeplum canalis (Conrad) Longoconcha sp. Stephenson 1941 volute Longoconcha spp.
Neogastropoda - Muricidae	Sargana sp. Sargana sp. Stephenson 1923 murex snail Sargana sp.
Neogastropoda -	Fulgerca aff. attenuata Fulgerca aff. attenuata Wade 1926 snail Fulgerca aff. A. attenuata (Wade) - originally entered as "Fulgerca aff. attenuata"
Sorbeoconcha - Aporrhaidae	Pterocerella tippana, "Arrhoges (Latiala) cf. lobata" = Latiala lobata Pterocerella tippana snail Pterocerella tippana (Conrad) "Arrhoges (Latiala) cf. lobata" = Latiala lobata Wade 1926 snail Arrhoges (Latiala) cf. A. Lobata ( - originally entered as "Arrhoges cf. lobata"
Sorbeoconcha - Acteoninidae	Eoacteon sp. Eoacteon sp. Stephenson 1955 snail Ecoacteon sp. - originally entered as "Ecoacteon sp."
Vanikoroidea - Eulimidae	Eulima clara Eulima clara Wade 1926 snail Eulima ? clara Wade
Bivalvia
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)
Nuculanida - Malletiidae	"Perissonata littlei" = Perrisonota, "Perissonata protexta" = Perrisonota, Malletia longfrons "Perissonata littlei" = Perrisonota clam Perissonata littlei Gardner "Perissonata protexta" = Perrisonota clam Perissonata protexta (Conrad) non G Malletia longfrons clam Malletia longfrons (Conrad)
Nuculida - Nuculidae	"Nucula cuneifrons" = Nucula cunifrons, Nucula percrassa "Nucula cuneifrons" = Nucula cunifrons Conrad 1860 nut clam Nucula cunifrons Conrad Nucula percrassa nut clam Nucula percrassa Conrad
Mytilida - Crenellidae	Crenella serica Crenella serica Conrad 1860 clam Crenella serica Conrad
Mytilida - Mytilidae	Modiolus sedesclaris, Modiolus trigonus, Botula conchafodentis, Lycettia tippanus, Lithophaga sp. Modiolus sedesclaris mussel Modiolus sedesclaris Gardner Modiolus trigonus mussel Modiolus trigonus Gardner Botula conchafodentis mussel Botula conchafodentis (Gardner) Lycettia tippanus mussel Lycettia tippanus (Conrad) Lithophaga sp. Röding 1798 mussel Lithophaga sp.
Pectinida - Anomiidae	Anomia (Anomia) argentaria Anomia (Anomia) argentaria Morton 1833 jingle Anomia (Anomia) argentaria Morton
Pectinida - Entoliidae	Syncyclonema simplicius Syncyclonema simplicius scallop Syncylonema simplicus (Conrad) - originally entered as "Syncylonema simplicius"
Ostreida - Pteriidae	Pteria rhombica Pteria rhombica pearl oyster Pteria rhombica Gardner
Ostreida - Flemingostreidae	Cubitostrea tecticosta Cubitostrea tecticosta Gabb 1860 oyster Cubitostrea tecticosta (Gabb)
Ostreida - Gryphaeidae	"Exogyra costata" = Exogyra (Exogyra) costata, Pycnodonte vesicularis "Exogyra costata" = Exogyra (Exogyra) costata Say 1820 oyster Exogyra costata Say Pycnodonte vesicularis Lamarck 1806 oyster Pycnodonte vesicularis Lamarck
Arcida - Parallelodontidae	Nemodon eufaulensis, Nemodon stantoni Nemodon eufaulensis clam Nemodon eufaulensis (Gabb) [entered as Nemodon eufaulensis] Nemodon stantoni clam Nemodon stantoni Gardner
Arcida - Arcidae	Striarca saffordi Striarca saffordi clam Striarca saffordi (Gardner) non Gab
Arcida - Glycymerididae	Glycymeris rotundata, Postligata wordeni Glycymeris rotundata clam Glycymeris rotundata (Gabb) Postligata wordeni clam Postligata wordeni Gardner
Cardiida - Cardiidae	Granocardium (Granocardium) kummeli, Trachycardium eufaulensis Granocardium (Granocardium) kummeli cockle Granocardium (Granocardium) kummel Trachycardium eufaulensis Conrad 1860 cockle Trachycardium eufaulensis (Conrad)
Cardiida - Tellinidae	Aenona eufaulensis, Tellinimera buboana, Tellinimera gabbi, Solyma gardnerae, "Linearia metastriata" = Linearis Aenona eufaulensis Conrad 1860 tellin clam Aenona eufaulensis (Conrad) Tellinimera buboana tellin clam Tellinimeria buboana Stephenson - originally entered as "Tellinimeria buboana" Tellinimera gabbi tellin clam Tellinimeria gabbi Gardner - originally entered as "Tellinimeria gabbi" Solyma gardnerae tellin clam Solyma gardnerae Stephenson "Linearia metastriata" = Linearis tellin clam Linearia metastriata Conrad
Cardiida - Veneridae	Cyclorisma parva, Legumen ellipticum, Cyprimeria alta, Cyprimeria depressa Cyclorisma parva venus clam Cyclorisma parva (Gardner) Legumen ellipticum venus clam Legumen ellipticum Conrad Cyprimeria alta venus clam Cyprimeria alta Conrad Cyprimeria depressa venus clam Cyprimeria depressa Conrad
Cardiida - Mactridae	Cymbophora appressa, Cymbophora berryi Cymbophora appressa clam Cymbophora appressa (Gabb) Cymbophora berryi clam Cymbophora berryi (Gardner)
Cardiida - Arcticidae	Etea cf. carolinensis, Veniella conradi, Tenea parilis Etea cf. carolinensis Conrad 1875 clam Etea cf. Etea carolinensis Conrad - originally entered as "Etea cf. carolinensis" 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"
Pholadida - Pholadidae	Clavipholas pectorosa, Opertochasma sp. Clavipholas pectorosa clam Claripholas pectorosa (Conrad) Opertochasma sp. Stephenson 1953 clam Opertochasma sp.
Solenida - Pharidae	Leptosolen biplicata Leptosolen biplicata Conrad 1858 clam Leptosolen biplicata (Conrad)
Hiatellida - Hiatellidae	Panopea monmouthensis Panopea monmouthensis clam Panopea monmouthensis Gardner
Pandorida - Laternulidae	Periplomya sp. Periplomya sp. Conrad 1870 clam Periplomya sp.
Poromyida - Poromyidae	Liopistha protexta Liopistha protexta Conrad 1853 clam Liopistha protexta Conrad
Lucinida - Lucinidae	Myrtea stephensoni Myrtea stephensoni clam Myrtea stephensoni Gardner
Carditida - Crassatellidae	Crassatella vadosa, Bathytormus pteropsis Crassatella vadosa Morton 1834 clam Crassatella vadosa vadosa Morton Bathytormus pteropsis Conrad 1860 clam Bathytormus pteropsis (Conrad)
Carditida - Condylocardiidae	"Uddenia texana" = Cuna texana "Uddenia texana" = Cuna texana Stephenson 1941 clam Uddenia texana Stephenson
Carditida - Carditidae	Vetericardiella crenalirata Vetericardiella crenalirata clam Vetericardiella crenalirata (Conra
Carditida - Astartidae	Astarte culebrensis Astarte culebrensis clam Astarte? culebrensis (Stephenson)
Trigoniida - Megatrigonioidae	Pterotrigonia (Scabrotrigonia) eufaulensis Pterotrigonia (Scabrotrigonia) eufaulensis Gabb 1860 clam Pterotrigonia (Scabrotrigonia) euf
Anthozoa
Scleractinia - Micrabaciidae	Micrabacia sp. Micrabacia sp. Milne-Edwards 1849 stony coral Micrabacia spp.