Sohl and Koch OFR # 419: Late/Upper Maastrichtian, Maryland

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Acirsa (Hemiacirsa) clathrata Sohl 1964
Acirsa (Hemiacirsa) clathrata Sohl
Acirsa (Hemiacirsa) flexicostata Sohl 1964
Acirsa (Hemiacirsa) flexicostata S
Linearia crebelli Stephenson 1941
Linearia crebelli Stephenson
Anthozoa - Scleractinia - Micrabaciidae
Micrabacia sp. Milne-Edwards 1849
Micrabacia spp.
unclassified
Vertebrata indet. Lamarck 1801
Otolith
Cephalopoda - Ammonitida - Scaphitidae
Discoscaphites iris Conrad 1858
Discoscaphites iris Conrad
Discoscaphites conradi (Morton 1834)
Discoscaphites conradi (Morton) va
Cephalopoda - Ammonitida - Sphenodiscidae
Sphenodiscus sp. Meek 1871
Sphenodiscus sp.
Cephalopoda - Nautilida - Nautilidae
Eutrephoceras dekayi (Morton 1834)
Eutrephoceras dekayi (Morton)
Gastropoda - Opisthobranchia - Scaphandridae
Ellipsoscapha cf. occidentalis
Ellipsoscapha cf. E. occidentalis - originally entered as "Ellipsoscapha cf. occidentalis"
Ellipsoscapha mortoni Forbes 1845
Ellipsoscapha mortoni (Forbes)
Gastropoda - Opisthobranchia - Cylichnidae
Cylichna incisa Stephenson 1941
Cylichna incisa Stephenson
Cylichna diversilirata Sohl 1964
Cylichna diversilirata Sohl
Gastropoda - Euomphalina - Euomphalidae
Weeksia sp. Stephenson 1941
Weeksia sp. (no spines)
Gastropoda - Heterostropha - Architectonicidae
Pseudomalaxis pilsbryi
Pseudomalaxis pilsbryi Harbison
Gastropoda - Heterostropha - Pyramidellidae
Creonella cf. subangulata Sohl 1964
Creonella cf. C. subangulata Sohl - originally entered as "Creonella cf. subangulata"
Gastropoda - Heterostropha - Ringiculidae
Oligoptycha sp. Meek 1876
Oligoptycha sp.
Ringicula (Ringiculella) clarki Durham 1944
recombined as Ringicula (Ringiculina) clarki
Ringicula (Ringiculella) clarki Ga
Gastropoda - Heterostropha - Acteonidae
Actaeon cicatricosus
replaced by Acteon
Acteon cicatricosus Sohl - originally entered as "Acteon cicatricosus"
Actaeon sp. Oken 1815
replaced by Acteon
Acteon sp. - originally entered as "Acteon sp."
Nonacteonina cf. graphoides
original and current combination Nonactaeonina
Nonacteonina cf. N. graphoides Ste - originally entered as "Nonacteonina cf. graphoides"
Nonacteonina sp. n. sp. (Stephenson 1941)
original and current combination Nonactaeonina
"Nonacteonina n. sp. (slender, subs" - originally entered as "Nonacteonina n. sp."
Gastropoda - Heterostropha - Mathildidae
Mathilda (Echinimathilda) corona Sohl 1960
Mathilda (Echinimathilda) corona S
Mathilda cf. cedarensis Stephenson 1941
Mathilda cf. M. cedarensis Stephen - originally entered as "Mathilda cf. cedarensis"
Gastropoda - Heterostropha - Gordenellidae
Promathilda (Clathrobaculus) cf. parvula Sohl 1960
Promathilda (Clathrobaculus) cf. P - originally entered as "Promathilda cf. parvula"
Gastropoda - Epitoniidae
Belliscala sp. Stephenson 1941
Belliscala sp.
Striaticostatum sparsum Sohl 1964
Striaticostatum sparsum Sohl
Acirsa (Plesioacirsa) sp. (de Boury 1909)
original and current combination Plesioacirsa
Acirsa (Plesioacirsa) sp.
Gastropoda - Neotaenioglossa
Anteglossia sp. (Vokes 1948)
original and current combination Anteglosia
Anteglosia sp. - originally entered as "Anteglosia sp."
Gastropoda - Naticidae
Euspira rectilabrum (Conrad 1858)
Euspira rectilabrum (Conrad)
Gyrodes americanus
Gyrodes americanus Wade
Gyrodes supraplicatus Conrad 1858
Gyrodes supraplicatus (Conrad)
Gyrodes spillmani Gabb 1861
recombined as Gyrodes (Sohlella) spillmani
Gyrodes spillmani Gabb
Gastropoda - Neogastropoda - Pyropsidae
Pyropsis sp. (Conrad 1860)
Pyropsis spp.
Pyropsis perlata (Conrad 1860)
Pyropsis perlata Conrad
Pyropsis prolixa Sohl 1964
Pyropsis prolixa Sohl
Gastropoda - Neogastropoda - Turbinellidae
Napulus sp. n. sp. Stephenson 1941
Napulus n. sp. (MD) - originally entered as "Napulus n. sp."
Napulus octoliratus Conrad 1858
Napulus octoliratus Conrad
Gastropoda - Neogastropoda - Cancellariidae
Caveola sp. Stephenson 1941
Caveola sp.
Gastropoda - Neogastropoda - Paladmetidae
Paladmete cancellaria Conrad 1858
Paladmete cancellaria (Conrad)
Paladmete laevis Sohl 1964
Paladmete laevis Sohl
Gastropoda - Neogastropoda - Turridae
Fusimilis tippanus Conrad 1858
Fusimilis tippanus (Conrad)
Amuletum (Amuletum) dumasensis Sohl 1964
Amuletum (Amuletum) dumasensis Soh
Amuletum cf. fasciolatum Wade 1926
Amuletum cf. A. fasciolatum (Wade) - originally entered as "Amuletum cf. fasciolatum"
Remnita cf. biacuminata Wade 1926
Remnita cf. R. biacuminata (Wade) - originally entered as "Remnita cf. biacuminata"
Beretra cf. gracilis Wade 1926
Beretra cf. B. gracilis - originally entered as "Beretra cf. gracilis"
Gastropoda - Neogastropoda - Melongenidae
? Serrifusus sp. n. sp. Meek 1876
Serrifusus ? n. sp. - originally entered as "Serrifusus ? n. sp."
Deussenia bellalirata Conrad 1858
Deussenia bellalirata (Conrad)
Pyrifusus subdensatus Conrad 1858
Pyrifusus subdensatus Conrad
Pyrifusus crassus Sohl 1964
Pyrifusus crassus Sohl
Gastropoda - Neogastropoda - Buccinidae
Odontobasis cf. sulcata Sohl 1964
Odantobasis cf. O. sulcata - originally entered as "Odantobasis cf. sulcata"
Stantonella interupta Conrad 1858
corrected as Stantonella interrupta
Stantonella interupta (Conrad)
Hydrotribulus asper
Hydeotribulus asper Stephenson - originally entered as "Hydeotribulus asper"
Gastropoda - Neogastropoda - Fasciolariidae
Drilluta marylandicus
Drilluta marylandicus (Gardner)
Drilluta buboanus Sohl 1964
Drilluta buboanus Sohl
Hercorhynchus (Hercorhyncus) pagodaformis Sohl 1964
Hercorhyncus (Hercorhyncus) pagoda - originally entered as "Hercorhyncus pagodaformis"
Hercorhynchus (Hercorhyncus) tippanus Conrad 1860
Hercorhyncus (Hercorhyncus) tippan - originally entered as "Hercorhyncus tippanus"
Bellifusus curvicostatus Wade 1926
Bellifusus curvicostatus (Wade)
Graphidula sp. Stephenson 1941
Graphidula sp.
Graphidula terebriformis Stephenson 1941
Graphidula terebriformis Stephenso
Remera cf. cretacea
Remera cf. R. cretacea Gardner - originally entered as "Remera cf. cretacea"
Remera sp. Stephenson 1941
Remera sp.
Remera flexicostata Sohl 1964
Remera flexicostata Sohl
Anomalofusus lemniscatus Sohl 1964
Anomalofusus lemniscatus Sohl
Gastropoda - Neogastropoda - Olividae
Ancilla (Ancillus) acutula (Stephenson 1941)
recombined as Ancillus acutula
Ancilla (Ancillus) acutula (Stephe
Gastropoda - Neogastropoda - Moreidae
Hercorhynchus (Haplovoluta) trililatus
Hercorhyncus (Haplovoluta) trilila - originally entered as "Hercorhyncus trililatus"
Gastropoda - Neogastropoda - Coralliophilidae
Latiaxis sp. Swainson 1840
Latiaxis sp.
Gastropoda - Neogastropoda - Pholidotomidae
Morea marylandica Gardner 1916
Morea marylandica Gardner
Morea cancellaria Conrad 1860
Morea cancellaria Conrad
Gastropoda - Neogastropoda
Fulgerca aff. attenuata (Wade 1926)
Fulgerca aff. A. attenuata (Wade) - originally entered as "Fulgerca aff. attenuata"
Gastropoda - Neogastropoda - Volutidae
Volutidae indet. Rafinesque 1815
Volutid snail
Myobarbum ? monmouthensis
Myobarbum ? monmouthensis (Gardner - originally entered as "Myobarbum ? monmouthensis"
Liopeplum cretaceum Conrad 1858
Liopeplum cretaceum (Conrad)
Liopeplum canalis Conrad 1858
Liopeplum canalis (Conrad)
Gastropoda - Neogastropoda - Muricidae
Lowenstamia cucullata Sohl 1964
recombined as Sohliina cucullata
Lowenstamia cucullata Sohl
Gastropoda - Aporrhaidae
Aporrhaidae indet. Gray 1850
Aporrhaid sp.
Pterocerella tippana
Pterocerella tippana (Conrad)
Pugnellus (Pugnellus) densatus
Pugnellus (Pugnellus) densatus Con
Gastropoda - Ranellidae
Trachytriton sp. n. sp. Meek 1864
Trachyritan n. sp. - originally entered as "Trachytriton n. sp."
Gastropoda - Acteoninidae
Eoacteon linteus (Conrad 1858)
Ecoacteon linteus (Conrad) - originally entered as "Ecoacteon linteus"
Gastropoda - Eulimidae
Eulima monmouthensis
Eulima monmouthensis (Gardner)
Eulima clara Wade 1926
Eulima ? clara Wade
Gastropoda - Turritellidae
Turritella (Sohlitella) bilira (Stephenson 1941)
recombined as Haustator bilira
Turritella (Sohlitella) bilira (St
Turritella hilgardi
Turritella hilgardi Sohl
Turritella paravertebroides
Turritella paravertebroides Gardne
Turritella (Sohlitella) trilira (Conrad 1860)
original and current combination Turritella trilira
Turritella (Sohlitella) trilira (C
Gastropoda - Cerithiidae
Cerithium aff. weeksi Wade 1926
Cerithium aff. Certhium weeksi Wa - originally entered as "Cerithium aff. weeksi"
Gastropoda - Pickworthiidae
Urceolabrum tuberculatum
Urceolabrum turberculatum callistu
Scaphopoda - Gadilida - Gadilidae
Cadulus obnutus
Cadulus obnutus (Conrad)
Scaphopoda - Dentaliida - Dentaliidae
Dentalium sp. Linnaeus 1758
Dentalium sp. (ribbed)
Dentalium leve Stephenson 1923
Dentalium leve Stephenson
Bivalvia - Nuculida - Nuculidae
Nucula percrassa
Nucula percrassa Conrad
Nucula amica Gardner 1916
Nucula amica Gardner
Nucula cuneifrons (Conrad 1860)
original and current combination Nucula cunifrons
Nucula cunifrons Conrad
Bivalvia - Nuculanida - Malletiidae
Perissonata littlei
original and current combination Perrisonota
Perissonata littlei Gardner
Perissonata protexta
original and current combination Perrisonota
Perissonata protexta (Conrad) non G
Malletia longfrons
Malletia longfrons (Conrad)
Bivalvia - Nuculanida - Nuculanidae
Nuculana whitfieldi
Nuculana whitfieldi (Gardner)
Nuculana rostrotruncata (Gardner 1916)
recombined as Nuculana rostratruncata
Nuculana rostrotruncata (Gardner)
Bivalvia - Arcida - Glycymerididae
Postligata wordeni
Postligata wordeni Gardner
Bivalvia - Arcida - Cucullaeidae
Cucullaea (Idonearca) capax Conrad 1858
recombined as Idonearca capax
Cucullaea (Idonearca) capax Conrad
Bivalvia - Arcida - Arcidae
Striarca saffordi
Striarca saffordi (Gardner) non Gab
Bivalvia - Arcida - Parallelodontidae
Nemodon eufaulensis
Nemodon eufaulensis (Gabb) [entered as Nemodon eufaulensis]
Nemodon stantoni
Nemodon stantoni Gardner
Bivalvia - Myalinida - Inoceramidae
Tenuipteria argenteus
Tenuiptereus argenteus (Conrad)
Inoceramus (Inoceramus) sp. Sowerby 1814
Inoceramus (Inoceramus) sp.
Bivalvia - Pectinida - Entoliidae
Syncyclonema simplicius
Syncylonema simplicus (Conrad) - originally entered as "Syncylonema simplicius"
Bivalvia - Pectinida - Anomiidae
Anomia (Anomia) argentaria Morton 1833
Anomia (Anomia) argentaria Morton
Anomia (Anomia) ornata Gabb 1876
Anomia (Anomia) ornata Gabb
Bivalvia - Pectinida - Limidae
Lima (Lima) reticulata Forbes 1845
recombined as Lima reticulata
Lima (Lima) reticulata Lyell & For
Lima (Lima) acutilineata Conrad 1858
recombined as Limatula acutilineata
Lima (Lima) acutilineata Conrad
Bivalvia - Pectinida - Pectinidae
Camptonectes sp. n. sp. Meek 1864
Camptonectes n. sp. (small convex) - originally entered as "Camptonectes n. sp."
Camptonectes (Camptonectes) bubonis (Stephenson 1941)
Camptonectes (Camptonectes) bubonis (
Bivalvia - Ostreida - Flemingostreidae
Cubitostrea tecticosta (Gabb 1860)
Cubitostrea tecticosta (Gabb)
Bivalvia - Ostreida - Gryphaeidae
Exogyra costata (Say 1820)
original and current combination Exogyra (Exogyra) costata
Exogyra costata Say
Bivalvia - Ostreida - Pinnidae
Pinna (Pinna) laqueata Conrad 1858
Pinna (Pinna) laqueata Conrad
Bivalvia - Ostreida - Pteriidae
Pteria rhombica
Pteria rhombica Gardner
Bivalvia - Mytilida - Mytilidae
Modiolus sedesclaris
Modiolus sedesclaris Gardner
Botula conchafodentis
Botula conchafodentis (Gardner)
Botula lingua
Botula lingua Gardner
Botula ripleyana
Botula ripleyana (Gabb)
Lycettia tippanus
Lycettia tippanus (Conrad)
Bivalvia - Mytilida - Crenellidae
Crenella serica Conrad 1860
Crenella serica Conrad
Crenella elegantula Meek and Hayden 1862
Crenella elegantula Meek & Hayden
Bivalvia - Myoida
Eufistulina sp. (Eames 1951)
original and current combination Eufistulana
Eufistulana sp. - originally entered as "Eufistulana sp."
Bivalvia - Trigoniida - Megatrigoniidae
Pterotrigonia (Scabrotrigonia) eufaulensis (Gabb 1860)
Pterotrigonia (Scabrotrigonia) euf
Bivalvia - Lucinida - Lucinidae
Nymphalucina ? linearea (Stephenson 1941)
recombined as Nymphalucina linearia
Nymphalucina ? linearea (Stephenso - originally entered as "Nymphalucina ? linearea"
Myrtea stephensoni
Myrtea stephensoni Gardner
Bivalvia - Pholadida - Pholadidae
Clavipholas pectorosa
Claripholas pectorosa (Conrad)
Clavipholas sp. Conrad 1868
Claripholas sp.
Opertochasma sp. Stephenson 1953
Opertochasma sp.
Bivalvia - Pholadida - Corbulidae
Corbula monmouthensis Gardner 1916
Corbula monmouthensis Gardner
Caestocorbula (Parmicorbula) percompressa
Caesticorbula (Parmicorbula) perco - originally entered as "Caesticorbula percompressa"
Caestocorbula (Caesticorbula) crassaplica Vincent 1910
Caesticorbula (Caesticorbula) cras - originally entered as "Caesticorbula crassaplica"
Corbula subradiata
Corbula subradiata Gardner
Bivalvia - Cardiida - Mactridae
Cymbophora appressa
Cymbophora appressa (Gabb)
Cymbophora berryi
Cymbophora berryi (Gardner)
Cymbophora wordeni
Cymbophora wordeni (Gardner)
Bivalvia - Cardiida - Veneridae
Legumen ellipticum
Legumen ellipticum Conrad
Cyclorisma parva
Cyclorisma parva (Gardner)
Cyprimeria sp. Conrad 1864
originally entered as "Cyprimeria "
Cyprimeria depressa
Cyprimeria depressa Conrad
Bivalvia - Cardiida - Arcticidae
Etea cf. carolinensis Conrad 1875
Etea cf. Etea carolinensis Conrad - originally entered as "Etea cf. carolinensis"
Veniella conradi Morton 1833
Veniella conradi (Morton)
Tenea parilis
Tenea parilis Conrad
Bivalvia - Cardiida - Cardiidae
Granocardium (Granocardium) kummeli
synonym of Trachycardium
Granocardium (Granocardium) kummel
Granocardium (Granocardium) lowei
synonym of Trachycardium
Granocardium (Granocardium) lowei
Trachycardium eufaulensis (Conrad 1860)
Trachycardium eufaulensis (Conrad)
Bivalvia - Cardiida - Tellinidae
Solyma gardnerae
Solyma gardnerae Stephenson
Linearia metastriata
original and current combination Linearis
Linearia metastriata Conrad
Tellinimera buboana
Tellinimeria buboana Stephenson - originally entered as "Tellinimeria buboana"
Tellinimera gabbi
Tellinimeria gabbi Gardner - originally entered as "Tellinimeria gabbi"
Aenona eufaulensis Conrad 1860
Aenona eufaulensis (Conrad)
Tellina ? georgiana Gabb 1876
recombined as Sourimis georgiana
Tellina georgiana Gabb ? - originally entered as "Tellina georgiana ?"
Bivalvia - Pandorida - Laternulidae
Anatimya anteradiata (Conrad 1860)
Anatymya anteradiata Conrad - originally entered as "Anatymya anteradiata"
Bivalvia - Poromyida - Poromyidae
Liopistha protexta Conrad 1853
Liopistha protexta Conrad
Bivalvia - Poromyida - Cuspidariidae
Cuspidaria (Cuspidaria) ampulla
Cuspidaria (Cuspidaria) ampulla Ga
Bivalvia - Solenida - Pharidae
? Leptosolen sp. n. sp. Conrad 1865
Leptosolen ? n. sp. (angular anter - originally entered as "Leptosolen ? n. sp."
Leptosolen biplicata (Conrad 1858)
Leptosolen biplicata (Conrad)
Bivalvia - Hiatellida - Hiatellidae
Panopea monmouthensis
Panopea monmouthensis Gardner
Bivalvia - Carditida - Crassatellidae
Bathytormus pteropsis (Conrad 1860)
Bathytormus pteropsis (Conrad)
Crassatella vadosa Morton 1834
Crassatella vadosa vadosa Morton
unclassified
Bryozoa indet. Ehrenberg 1831
Bryozoa (encrusting)
Bryozoa indet. Ehrenberg 1831
Bryozoa (branching)
Polychaeta - Serpulimorpha
Hamulus squamosus
Hamulus squamosus Gabb
Hamulus onyx Morton 1834
Hamulus onyx Morton
Polychaeta - Sabellida - Serpulidae
Serpula sp. Linnaeus 1758
Serpula sp.
see common names

Geography
Country:United States State/province:Maryland County:Prince Georges
Coordinates: 38.9° North, 76.9° West (view map)
Paleocoordinates:39.7° North, 52.8° West
Geographic resolution:small collection
Time
Period:Cretaceous Epoch:Late/Upper Cretaceous
Stage:Maastrichtian 10 m.y. bin:Cretaceous 8
*Period:Late/Upper Cretaceous *Epoch:Late/Upper Senonian
*International age/stage:Middle - Late/Upper Maastrichtian
Key time interval:Late/Upper Maastrichtian Ammonoid zone: Discoscaphites conradi
Age range of interval:72.10000 - 66.00000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Severn Member:uppermost
Stratigraphic resolution:member
Stratigraphy comments: Haustator bilira assemblage zone
Lithology and environment
Primary lithology:glauconitic,gray sandstone
Environment:marine indet. Tectonic setting:passive margin
Taphonomy
Modes of preservation:body,original aragonite,original calcite
Collection methods and comments
Collection methods:bulk,field collection
Reason for describing collection:paleoecologic analysis
Museum repositories:USGS
Collection method comments: Sohl collection
Metadata
Also known as:Landover Mall; USGS # 32774
Database number:4369
Authorizer:M. Kosnik Enterer:M. Kosnik
Modifier:J. Sessa Research group:marine invertebrate
Created:1999-08-14 13:00:00 Last modified:2009-08-17 13:54:07
Access level:the public Released:1999-08-14 13:00:00
Creative Commons license:CC BY
Reference information

Primary reference:
281. 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]