PBDB Collection

Sohl and Koch OFR # 421 (Cretaceous of the United States)

Also known as Landover Mall; USGS # 32775

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 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 4371: 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
-	Metazoan indet., Vertebrata indet., Vertebrata indet. Metazoan indet. Worm Tubes Vertebrata indet. Lamarck 1801 Fish parts and Shark parts and Bone material Vertebrata indet. Lamarck 1801 Otolith
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
Cephalopoda
Ammonitida - Baculitidae	Baculites sp. Baculites sp. Lamarck 1799 ammonite Baculites sp.
Ammonitida - Scaphitidae	Discoscaphites iris Discoscaphites iris Conrad 1858 ammonite Discoscaphites iris Conrad
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 sp., Dentalium leve Dentalium sp. Linnaeus 1758 tusk shell Dentalium sp. Dentalium leve Stephenson 1923 tusk shell Dentalium leve Stephenson
Gastropoda
Heterostropha - Pyramidellidae	Creonella cf. subangulata, Creonella triplicata Creonella cf. subangulata Sohl 1964 snail Creonella cf. C. subangulata Sohl - originally entered as "Creonella cf. subangulata" Creonella triplicata Wade 1917 snail Creonella triplicata Wade
Heterostropha - Acteonidae	"Nonacteonina sp." = Nonactaeonina "Nonacteonina sp." = Nonactaeonina snail Nonacteonina 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
Cerithioidea - Turritellidae	"Turritella (Sohlitella) bilira" = Haustator bilira, Turritella sp., "Turritella (Sohlitella) trilira" = Turritella trilira, Turritella tippana, Turritella vertebroides "Turritella (Sohlitella) bilira" = Haustator bilira Stephenson 1941 turret shell Turritella (Sohlitella) bilira (St Turritella sp. Lamarck 1799 turret shell Turritella sp. "Turritella (Sohlitella) trilira" = Turritella trilira Conrad 1860 turret shell Turritella (Sohlitella) trilira (C Turritella tippana Conrad 1858 turret shell Turritella tippana Conrad Turritella vertebroides Morton 1834 turret shell Turritella vertebroides Morton
Cerithioidea - Pickworthiidae	Urceolabrum tuberculatum Urceolabrum tuberculatum snail Urceolabrum turberculatum callistu
Sorbeoconcha - Naticidae	"Gyrodes spillmani" = Gyrodes (Sohlella) spillmani, Gyrodes supraplicatus, Euspira rectilabrum "Gyrodes spillmani" = Gyrodes (Sohlella) spillmani Gabb 1861 moon snail Gyrodes spillmani Gabb Gyrodes supraplicatus Conrad 1858 moon snail Gyrodes supraplicatus (Conrad) Euspira rectilabrum Conrad 1858 moon snail Euspira rectilabrum (Conrad)
Neogastropoda -	Neogastropoda indet. Neogastropoda indet. Thiele 1929 snail Neogastropods indeterminate
Neogastropoda - Fasciolariidae	Remera juncea, Remera flexicostata, Anomalofusus sp., Hercorhynchus (Hercorhyncus) tippanus, Drilluta distans, Bellifusus sp. Remera juncea snail Remera juncea (Gardner) Remera flexicostata Sohl 1964 snail Remera flexicostata Sohl Anomalofusus sp. Wade 1916 snail Anomalofusus sp. Hercorhynchus (Hercorhyncus) tippanus Conrad 1860 snail Hercorhyncus (Hercorhyncus) tippan - originally entered as "Hercorhyncus tippanus" Drilluta distans Conrad 1860 snail Drilluta distans (Conrad) Bellifusus sp. Stephenson 1941 snail Bellifusus sp.
Neogastropoda - Buccinidae	"Stantonella interupta" = Stantonella interrupta, Buccinopsis crassicostata "Stantonella interupta" = Stantonella interrupta Conrad 1858 true whelk Stantonella interupta (Conrad) Buccinopsis crassicostata Gabb 1876 true whelk Buccinopsis crassicostata (Gabb)
Neogastropoda - Melongenidae	? Serrifusus sp. n. sp. ? Serrifusus sp. n. sp. Meek 1876 snail Serrifusus ? n. sp. - originally entered as "Serrifusus ? n. sp."
Neogastropoda - Paladmetidae	Paladmete cancellaria Paladmete cancellaria Conrad 1858 snail Paladmete cancellaria (Conrad)
Neogastropoda - Moreidae	Hercorhynchus (Haplovoluta) sp. Hercorhynchus (Haplovoluta) sp. snail Hercorhyncus (Haplovoluta) sp. - originally entered as "Hercorhyncus sp."
Neogastropoda - Pyropsidae	Pyropsis perlata Pyropsis perlata Conrad 1860 snail Pyropsis perlata Conrad
Neogastropoda - Turridae	Fusimilis tippanus, Remnita sp. Fusimilis tippanus Conrad 1858 turrid Fusimilis tippanus (Conrad) Remnita sp. Stephenson 1941 turrid Remnita sp.
Neogastropoda - Volutidae	Volutidae indet., Liopeplum cretaceum, Liopeplum canalis Volutidae indet. Rafinesque 1815 volute Volutid snail Liopeplum cretaceum Conrad 1858 volute Liopeplum cretaceum (Conrad) Liopeplum canalis Conrad 1858 volute Liopeplum canalis (Conrad)
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 protexta" = Perrisonota "Perissonata protexta" = Perrisonota clam Perissonata protexta (Conrad) non G
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, Lycettia tippanus Modiolus sedesclaris mussel Modiolus sedesclaris Gardner Modiolus trigonus mussel Modiolus trigonus Gardner Lycettia tippanus mussel Lycettia tippanus (Conrad)
Pectinida - Pectinoidae	Camptonectes (Camptonectes) bubonis Camptonectes (Camptonectes) bubonis Stephenson 1941 scallop Camptonectes (Camptonectes) bubonis (
Pectinida - Anomiidae	Anomia (Anomia) ornata, Anomia (Anomia) argentaria Anomia (Anomia) ornata Gabb 1876 jingle Anomia (Anomia) ornata Gabb 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 - Pinnidae	Pinna (Pinna) sp. Pinna (Pinna) sp. Linnaeus 1758 oyster Pinna (Pinna) sp.
Ostreida - Ostreidae	Ostrea plumosa, Arctostrea falacata, "Ostrea mesenterica" = Lopha mesenterica Ostrea plumosa Morton 1833 oyster Ostrea plumosa Morton Arctostrea falacata oyster Arctostrea falacata (Gabb) "Ostrea mesenterica" = Lopha mesenterica Morton 1834 oyster Ostrea mesenterica Morton
Ostreida - Flemingostreidae	Cubitostrea tecticosta Cubitostrea tecticosta Gabb 1860 oyster Cubitostrea tecticosta (Gabb)
Ostreida - Gryphaeidae	Exogyra sp., "Exogyra costata" = Exogyra (Exogyra) costata, Gryphaeostrea vomer, Pycnodonte vesicularis Exogyra sp. Say 1820 oyster Exogyra sp. "Exogyra costata" = Exogyra (Exogyra) costata Say 1820 oyster Exogyra costata Say Gryphaeostrea vomer Morton 1828 oyster Gryphaeostrea vomer Morton Pycnodonte vesicularis Lamarck 1806 oyster Pycnodonte vesicularis Lamarck
Arcida - Parallelodontidae	Nemodon eufaulensis Nemodon eufaulensis clam Nemodon eufaulensis (Gabb) [entered as Nemodon eufaulensis]
Arcida - Cucullaeidae	"Cucullaea (Idonearca) capax" = Idonearca capax "Cucullaea (Idonearca) capax" = Idonearca capax Conrad 1858 clam Cucullaea (Idonearca) capax Conrad
Arcida - Arcidae	Striarca saffordi Striarca saffordi clam Striarca saffordi (Gardner) non Gab
Arcida - Glycymerididae	Postligata wordeni 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, "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" "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 berryi, Cymbophora wordeni Cymbophora berryi clam Cymbophora berryi (Gardner) Cymbophora wordeni clam Cymbophora wordeni (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 (Parmicorbula) terramaria, Caestocorbula (Caesticorbula) crassaplica, Corbula sp., Corbula subradiata Corbula monmouthensis Gardner 1916 clam Corbula monmouthensis Gardner Caestocorbula (Parmicorbula) percompressa clam Caesticorbula (Parmicorbula) perco - originally entered as "Caesticorbula percompressa" Caestocorbula (Parmicorbula) terramaria clam Caesticorbula (Parmicorbula) terra - originally entered as "Caesticorbula terramaria" Caestocorbula (Caesticorbula) crassaplica Vincent 1910 clam Caesticorbula (Caesticorbula) cras - originally entered as "Caesticorbula crassaplica" Corbula sp. Bruguière 1789 clam Corbula sp. Corbula subradiata clam Corbula subradiata Gardner
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 - Carditidae	Vetericardiella crenalirata Vetericardiella crenalirata clam Vetericardiella crenalirata (Conra
Trigoniida - Megatrigonioidae	Pterotrigonia (Scabrotrigonia) eufaulensis Pterotrigonia (Scabrotrigonia) eufaulensis Gabb 1860 clam Pterotrigonia (Scabrotrigonia) euf
Deuteropoda
-	Malacostraca indet. Malacostraca indet. Latreille 1802 Crab parts
Anthozoa
Scleractinia - Micrabaciidae	Micrabacia sp. Micrabacia sp. Milne-Edwards 1849 stony coral Micrabacia spp.