Sohl and Koch OFR # 415 (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; 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 4366: 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
Anthozoa
 Scleractinia - Micrabaciidae
Micrabacia sp. Milne-Edwards 1849 stony coral
Micrabacia spp.
Polychaeta
 Serpulimorpha -
Hamulus squamosus
Hamulus squamosus Gabb
Hamulus onyx Morton 1834
Hamulus onyx Morton
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)
 Nuculida - Nuculidae
"Nucula cuneifrons" = Nucula cunifrons Conrad 1860 nut clam
Nucula cunifrons Conrad
Nucula percrassa nut clam
Nucula percrassa Conrad
Nucula perequalis nut clam
Nucula perequalis Conrad?
 Mytilida - Mytilidae
Lycettia tippanus mussel
Lycettia tippanus (Conrad)
Lithophaga sp. Röding 1798 mussel
Lithophaga sp.
 Mytilida - Crenellidae
Crenella serica Conrad 1860 clam
Crenella serica Conrad
 Ostreida - Gryphaeidae
"Exogyra costata" = Exogyra (Exogyra) costata Say 1820 oyster
Exogyra costata Say
Pycnodonte vesicularis Lamarck 1806 oyster
Pycnodonte vesicularis Lamarck
Gryphaeostrea vomer Morton 1828 oyster
Gryphaeostrea vomer Morton
 Ostreida - Flemingostreidae
Cubitostrea tecticosta Gabb 1860 oyster
Cubitostrea tecticosta (Gabb)
 Ostreida - Ostreidae
Ostrea plumosa, "Ostrea mesenterica" = Lopha mesenterica
Ostrea plumosa Morton 1833 oyster
Ostrea plumosa Morton
"Ostrea mesenterica" = Lopha mesenterica Morton 1834 oyster
Ostrea mesenterica Morton
 Ostreida - Pteriidae
Pteria sp. Scopoli 1777 pearl oyster
Pteria sp.
 Pectinida - Limidae
Lima (Lima) pelagica Morton 1833 file clam
Lima (Lima) pelagica (Morton)
 Pectinida - Anomiidae
Anomia (Anomia) ornata Gabb 1876 jingle
Anomia (Anomia) ornata Gabb
Anomia (Anomia) argentaria Morton 1833 jingle
Anomia (Anomia) argentaria Morton
 Pectinida - Pectinoidae
Camptonectes (Camptonectes) bubonis Stephenson 1941 scallop
Camptonectes (Camptonectes) bubonis (
 Pectinida - Entoliidae
Syncyclonema simplicius scallop
Syncylonema simplicus (Conrad) - originally entered as "Syncylonema simplicius"
 Arcida - Glycymerididae
Postligata wordeni clam
Postligata wordeni Gardner
 Arcida - Parallelodontidae
Nemodon eufaulensis clam
Nemodon eufaulensis (Gabb) [entered as Nemodon eufaulensis]
 Arcida - Arcidae
Striarca saffordi clam
Striarca saffordi (Gardner) non Gab
 Carditida - Crassatellidae
Crassatella vadosa Morton 1834 clam
Crassatella vadosa vadosa Morton
Scambula perplana Conrad 1869 clam
Scambula perplana Conrad
 Hiatellida - Hiatellidae
Panopea monmouthensis clam
Panopea monmouthensis Gardner
 Cardiida - Cardiidae
Trachycardium eufaulensis Conrad 1860 cockle
Trachycardium eufaulensis (Conrad)
Granocardium (Granocardium) sp. Gabb 1869 cockle
Granocardium (Granocardium) sp.
 Cardiida - Tellinidae
Tellinimera buboana tellin clam
Tellinimeria buboana Stephenson - originally entered as "Tellinimeria buboana"
Tellinimera gabbi tellin clam
Tellinimeria gabbi Gardner - originally entered as "Tellinimeria gabbi"
Aenona eufaulensis Conrad 1860 tellin clam
Aenona eufaulensis (Conrad)
"Linearia metastriata" = Linearis tellin clam
Linearia metastriata Conrad
Solyma gardnerae tellin clam
Solyma gardnerae Stephenson
 Cardiida - Mactridae
Cymbophora berryi clam
Cymbophora berryi (Gardner)
 Cardiida - Arcticidae
Veniella conradi Morton 1833 clam
Veniella conradi (Morton)
 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
 Pholadida - Pholadidae
Clavipholas pectorosa clam
Claripholas pectorosa (Conrad)
 Pholadida - Corbulidae
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 subradiata clam
Corbula subradiata Gardner
Corbula monmouthensis Gardner 1916 clam
Corbula monmouthensis Gardner
 Lucinida - Lucinidae
Myrtea stephensoni clam
Myrtea stephensoni Gardner
 Trigoniida - Megatrigonioidae
Pterotrigonia (Scabrotrigonia) eufaulensis Gabb 1860 clam
Pterotrigonia (Scabrotrigonia) euf
Scaphopoda
 Gadilida - Gadilidae
Cadulus obnutus tusk shell
Cadulus obnutus (Conrad)
 Dentaliida - Dentaliidae
Dentalium leve Stephenson 1923 tusk shell
Dentalium leve Stephenson
Gastropoda
 Heterostropha - Ringiculidae
"Ringicula (Ringiculella) clarki" = Ringicula (Ringiculina) clarki
"Ringicula (Ringiculella) clarki" = Ringicula (Ringiculina) clarki Durham 1944 snail
Ringicula (Ringiculella) clarki Ga
 Heterostropha - Pyramidellidae
Creonella triplicata Wade 1917 snail
Creonella triplicata Wade
 Heterostropha - Gordenellidae
Promathilda (Clathrobaculus) cf. parvula Sohl 1960 snail
Promathilda (Clathrobaculus) cf. P - originally entered as "Promathilda cf. parvula"
 Heterostropha - Mathildidae
Mathilda cf. cedarensis Stephenson 1941 snail
Mathilda cf. M. cedarensis Stephen - originally entered as "Mathilda cf. cedarensis"
 Neogastropoda -
Neogastropoda indet. Thiele 1929 snail
Neogastropods indeterminate
 Neogastropoda - Paladmetidae
Paladmete cancellaria Conrad 1858 snail
Paladmete cancellaria (Conrad)
 Neogastropoda - Turridae
Fusimilis tippanus Conrad 1858 turrid
Fusimilis tippanus (Conrad)
 Neogastropoda - Buccinidae
"Stantonella interupta" = Stantonella interrupta
"Stantonella interupta" = Stantonella interrupta Conrad 1858 true whelk
Stantonella interupta (Conrad)
 Neogastropoda - Fasciolariidae
Drilluta sp. Wade 1916 snail
Drilluta sp.
 Sorbeoconcha - Naticidae
Gyrodes supraplicatus Conrad 1858 moon snail
Gyrodes supraplicatus (Conrad)
Euspira rectilabrum Conrad 1858 moon snail
Euspira rectilabrum (Conrad)
 Epitonioidea - Epitoniidae
Striaticostatum sp. Sohl 1963 wentletrap
Striaticostatum sp.
 Cerithioidea - Turritellidae
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 snail
Urceolabrum turberculatum callistu
Cephalopoda
 Ammonitida - Sphenodiscidae
Sphenodiscus sp. Meek 1871 ammonite
Sphenodiscus sp.
Sphenodiscus lobatus Tuomey 1856 ammonite
Sphenodiscus lobatus (Toumey)
 Ammonitida - Baculitidae
Baculites sp. Lamarck 1799 ammonite
Baculites sp. (Smooth-ovate)
 Nautilida - Nautilidae
Eutrephoceras dekayi Morton 1834 nautiloid
Eutrephoceras dekayi (Morton)
unclassified
  -
Vertebrata indet. Lamarck 1801
Bone material and Shark parts