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

unclassified
  -
Metazoan indet.
Worm Tubes
Polychaeta
 Serpulimorpha -
Hamulus squamosus
Hamulus squamosus Gabb
Hamulus onyx Morton 1834
Hamulus onyx Morton
Cephalopoda
 Nautilida - Nautilidae
Eutrephoceras dekayi Morton 1834
Eutrephoceras dekayi (Morton)
 Ammonitida - Sphenodiscidae
Sphenodiscus sp. Meek 1871 ammonite
Sphenodiscus sp.
 Ammonitida - Scaphitidae
Discoscaphites iris Conrad 1858 ammonite
Discoscaphites iris Conrad
 Ammonitida - Baculitidae
Baculites sp. Lamarck 1799 ammonite
Baculites sp.
Scaphopoda
 Dentaliida - Dentaliidae
Dentalium sp. Linnaeus 1758 tusk shell
Dentalium sp.
Dentalium leve Stephenson 1923 tusk shell
Dentalium leve Stephenson
Bivalvia
 Lucinida - Lucinidae
Myrtea stephensoni clam
Myrtea stephensoni Gardner
 Poromyida - Poromyidae
Liopistha protexta Conrad 1853 clam
Liopistha protexta Conrad
 Pholadida - Corbulidae
Corbula monmouthensis Gardner 1916 clam
Corbula monmouthensis Gardner
Corbula sp. Bruguière 1789 clam
Corbula sp.
Corbula subradiata clam
Corbula subradiata 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"
 Cardiida - Cardiidae
Trachycardium eufaulensis Conrad 1860 cockle
Trachycardium eufaulensis (Conrad)
Granocardium (Granocardium) kummeli cockle
Granocardium (Granocardium) kummel
 Cardiida - Tellinidae
"Linearia metastriata" = Linearis tellin clam
Linearia metastriata Conrad
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"
 Cardiida - Arcticidae
Veniella conradi Morton 1833 clam
Veniella conradi (Morton)
Tenea parilis clam
Tenea parilis Conrad
 Cardiida - Veneridae
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 clam
Cymbophora berryi (Gardner)
Cymbophora wordeni clam
Cymbophora wordeni (Gardner)
 Carditida - Crassatellidae
Crassatella vadosa Morton 1834 clam
Crassatella vadosa vadosa Morton
Bathytormus pteropsis Conrad 1860 clam
Bathytormus pteropsis (Conrad)
 Carditida - Carditidae
Vetericardiella crenalirata clam
Vetericardiella crenalirata (Conra
 Trigoniida - Megatrigonioidae
Pterotrigonia (Scabrotrigonia) eufaulensis Gabb 1860 clam
Pterotrigonia (Scabrotrigonia) euf
 Mytilida - Crenellidae
Crenella serica Conrad 1860 clam
Crenella serica Conrad
 Mytilida - Mytilidae
Modiolus sedesclaris mussel
Modiolus sedesclaris Gardner
Modiolus trigonus mussel
Modiolus trigonus Gardner
Lycettia tippanus mussel
Lycettia tippanus (Conrad)
 Pectinida - Pectinoidae
Camptonectes (Camptonectes) bubonis Stephenson 1941 scallop
Camptonectes (Camptonectes) bubonis (
 Pectinida - Entoliidae
Syncyclonema simplicius scallop
Syncylonema simplicus (Conrad) - originally entered as "Syncylonema simplicius"
 Pectinida - Anomiidae
Anomia (Anomia) argentaria Morton 1833 jingle
Anomia (Anomia) argentaria Morton
Anomia (Anomia) ornata Gabb 1876 jingle
Anomia (Anomia) ornata Gabb
 Ostreida - Pinnidae
Pinna (Pinna) sp. Linnaeus 1758 oyster
Pinna (Pinna) sp.
 Ostreida - Flemingostreidae
Cubitostrea tecticosta Gabb 1860 oyster
Cubitostrea tecticosta (Gabb)
 Ostreida - Ostreidae
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 - Gryphaeidae
Gryphaeostrea vomer Morton 1828 oyster
Gryphaeostrea vomer Morton
Pycnodonte vesicularis Lamarck 1806 oyster
Pycnodonte vesicularis Lamarck
Exogyra sp. Say 1820 oyster
Exogyra sp.
"Exogyra costata" = Exogyra (Exogyra) costata Say 1820 oyster
Exogyra costata Say
 Arcida - Parallelodontidae
Nemodon eufaulensis clam
Nemodon eufaulensis (Gabb) [entered as Nemodon eufaulensis]
 Arcida - Arcidae
Striarca saffordi clam
Striarca saffordi (Gardner) non Gab
 Arcida - Glycymerididae
Postligata wordeni clam
Postligata wordeni Gardner
 Arcida - Cucullaeidae
"Cucullaea (Idonearca) capax" = Idonearca capax
"Cucullaea (Idonearca) capax" = Idonearca capax Conrad 1858 clam
Cucullaea (Idonearca) capax Conrad
 Nuculida - Nuculidae
Nucula percrassa, "Nucula cuneifrons" = Nucula cunifrons
Nucula percrassa nut clam
Nucula percrassa Conrad
"Nucula cuneifrons" = Nucula cunifrons Conrad 1860 nut clam
Nucula cunifrons Conrad
 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
Gastropoda
 Neogastropoda -
Neogastropoda indet. Thiele 1929 snail
Neogastropods indeterminate
 Neogastropoda - Volutidae
Volutidae indet. Rafinesque 1815 volute
Volutid snail
Liopeplum cretaceum Conrad 1858 volute
Liopeplum cretaceum (Conrad)
Liopeplum canalis Conrad 1858 volute
Liopeplum canalis (Conrad)
 Neogastropoda - Pyropsidae
Pyropsis perlata Conrad 1860 snail
Pyropsis perlata Conrad
 Neogastropoda - Moreidae
Hercorhynchus (Haplovoluta) sp. snail
Hercorhyncus (Haplovoluta) sp. - originally entered as "Hercorhyncus sp."
 Neogastropoda - Buccinidae
Buccinopsis crassicostata Gabb 1876 true whelk
Buccinopsis crassicostata (Gabb)
"Stantonella interupta" = Stantonella interrupta Conrad 1858 true whelk
Stantonella interupta (Conrad)
 Neogastropoda - Melongenidae
? Serrifusus sp. n. sp. Meek 1876 snail
Serrifusus ? n. sp. - originally entered as "Serrifusus ? n. sp."
 Neogastropoda - Fasciolariidae
Bellifusus sp. Stephenson 1941 snail
Bellifusus sp.
Hercorhynchus (Hercorhyncus) tippanus Conrad 1860 snail
Hercorhyncus (Hercorhyncus) tippan - originally entered as "Hercorhyncus tippanus"
Drilluta distans Conrad 1860 snail
Drilluta distans (Conrad)
Remera juncea snail
Remera juncea (Gardner)
Remera flexicostata Sohl 1964 snail
Remera flexicostata Sohl
Anomalofusus sp. Wade 1916 snail
Anomalofusus sp.
 Neogastropoda - Paladmetidae
Paladmete cancellaria Conrad 1858 snail
Paladmete cancellaria (Conrad)
 Neogastropoda - Turridae
Remnita sp. Stephenson 1941 turrid
Remnita sp.
Fusimilis tippanus Conrad 1858 turrid
Fusimilis tippanus (Conrad)
 Sorbeoconcha - Naticidae
"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)
 Cerithioidea - Pickworthiidae
Urceolabrum tuberculatum snail
Urceolabrum turberculatum callistu
 Cerithioidea - Turritellidae
"Turritella (Sohlitella) bilira" = Haustator bilira, Turritella sp., Turritella vertebroides, Turritella tippana, "Turritella (Sohlitella) trilira" = Turritella trilira
"Turritella (Sohlitella) bilira" = Haustator bilira Stephenson 1941 turret shell
Turritella (Sohlitella) bilira (St
Turritella sp. Lamarck 1799 turret shell
Turritella sp.
Turritella vertebroides Morton 1834 turret shell
Turritella vertebroides Morton
Turritella tippana Conrad 1858 turret shell
Turritella tippana Conrad
"Turritella (Sohlitella) trilira" = Turritella trilira Conrad 1860 turret shell
Turritella (Sohlitella) trilira (C
 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
 Heterostropha - Pyramidellidae
Creonella triplicata Wade 1917 snail
Creonella triplicata Wade
Creonella cf. subangulata Sohl 1964 snail
Creonella cf. C. subangulata Sohl - originally entered as "Creonella cf. subangulata"
Bryozoa
  -
Bryozoa indet. Ehrenberg 1831
Bryozoa (branching)
Deuteropoda
  -
Malacostraca indet. Latreille 1802
Crab parts
unclassified
  -
Vertebrata indet. Lamarck 1801
Fish parts and Shark parts and Bone material
Vertebrata indet. Lamarck 1801
Otolith
Anthozoa
 Scleractinia - Micrabaciidae
Micrabacia sp. Milne-Edwards 1849 stony coral
Micrabacia spp.