Sohl and Koch OFR # 420: Late/Upper Maastrichtian, Maryland

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Acirsa (Hemiacirsa) flexicostata Sohl 1964
4 specimens
Acirsa (Hemiacirsa) flexicostata S
Linearia crebelli Stephenson 1941
2 specimens
Linearia crebelli Stephenson
Anthozoa - Scleractinia - Micrabaciidae
Micrabacia sp. Milne-Edwards 1849
Micrabacia spp.
Cephalopoda - Ammonitida - Sphenodiscidae
Sphenodiscus sp. Meek 1871
16 specimens
Sphenodiscus sp.
Cephalopoda - Ammonitida - Scaphitidae
Discoscaphites iris Conrad 1858
1 specimen
Discoscaphites iris Conrad
Discoscaphites conradi (Morton 1834)
1 specimen
Discoscaphites conradi (Morton) va
Gastropoda - Turritellidae
Turritella paravertebroides
3 specimens
Turritella paravertebroides Gardne
Turritella (Sohlitella) trilira (Conrad 1860)
16 specimens
original and current combination Turritella trilira
Turritella (Sohlitella) trilira (C
Turritella (Sohlitella) bilira (Stephenson 1941)
6 specimens
recombined as Haustator bilira
Turritella (Sohlitella) bilira (St
Gastropoda - Pickworthiidae
Urceolabrum tuberculatum
9 specimens
Urceolabrum turberculatum callistu
Gastropoda - Aporrhaidae
Aporrhaidae indet. Gray 1850
1 specimen
"Aporrhaid n. gen., n. sp. (MD)"
Gastropoda - Neogastropoda - Pyropsidae
Pyropsis sp. (Conrad 1860)
2 specimens
Pyropsis spp.
Gastropoda - Neogastropoda - Fasciolariidae
Remera sp. Stephenson 1941
1 specimen
Remera sp.
Remera flexicostata Sohl 1964
2 specimens
Remera flexicostata Sohl
Anomalofusus lemniscatus Sohl 1964
1 specimen
Anomalofusus lemniscatus Sohl
Hercorhynchus (Hercorhyncus) pagodaformis Sohl 1964
1 specimen
Hercorhyncus (Hercorhyncus) pagoda - originally entered as "Hercorhyncus pagodaformis"
Gastropoda - Neogastropoda - Melongenidae
Pyrifusus subdensatus Conrad 1858
2 specimens
Pyrifusus subdensatus Conrad
Pyrifusus crassus Sohl 1964
1 specimen
Pyrifusus crassus Sohl
Gastropoda - Neogastropoda - Moreidae
Hercorhynchus (Hercorhyncus) sp.
1 specimen
Hercorhyncus (Hercorhyncus) sp. - originally entered as "Hercorhyncus sp."
Gastropoda - Neogastropoda - Turridae
Fusimilis ripleanus Conrad
1 specimen
synonym of Beretra ripleyana
Fusimilis ripleanus (Conrad)
Amuletum sp. Stephenson 1941
1 specimen
Amuletum sp.
Gastropoda - Neogastropoda - Coralliophilidae
Latiaxis sp. Swainson 1840
1 specimen
Latiaxis sp.
Gastropoda - Neogastropoda - Pholidotomidae
Morea cancellaria Conrad 1860
1 specimen
Morea cancellaria Conrad
Morea marylandica Gardner 1916
3 specimens
Morea marylandica Gardner
Gastropoda - Neogastropoda - Muricidae
Lowenstamia cucullata Sohl 1964
1 specimen
recombined as Sohliina cucullata
Lowenstamia cucullata Sohl
Gastropoda - Neogastropoda - Volutidae
Liopeplum canalis Conrad 1858
2 specimens
Liopeplum canalis (Conrad)
Gastropoda - Neogastropoda - Paladmetidae
Paladmete laevis Sohl 1964
1 specimen
Paladmete laevis Sohl
Paladmete cancellaria Conrad 1858
15 specimens
Paladmete cancellaria (Conrad)
Gastropoda - Naticidae
Euspira rectilabrum (Conrad 1858)
25 specimens
Euspira rectilabrum (Conrad)
Gyrodes spillmani Gabb 1861
9 specimens
recombined as Gyrodes (Sohlella) spillmani
Gyrodes spillmani Gabb
Gyrodes supraplicatus Conrad 1858
1 specimen
Gyrodes supraplicatus (Conrad)
Gastropoda - Heterostropha - Acteonidae
Nonacteonina sp. (Stephenson 1941)
1 specimen
original and current combination Nonactaeonina
Nonacteonina sp.
Actaeon cicatricosus
2 specimens
replaced by Acteon
Acteon cicatricosus Sohl - originally entered as "Acteon cicatricosus"
Actaeon sp. Oken 1815
1 specimen
replaced by Acteon
Acteon sp. - originally entered as "Acteon sp."
Gastropoda - Heterostropha - Ringiculidae
Ringicula (Ringiculella) clarki Durham 1944
42 specimens
recombined as Ringicula (Ringiculina) clarki
Ringicula (Ringiculella) clarki Ga
Gastropoda - Heterostropha - Pyramidellidae
Creonella cf. subangulata Sohl 1964
1 specimen
Creonella cf. C. subangulata Sohl - originally entered as "Creonella cf. subangulata"
Gastropoda - Heterostropha - Architectonicidae
Pseudomalaxis pilsbryi
2 specimens
Pseudomalaxis pilsbryi Harbison
Gastropoda - Heterostropha - Gordenellidae
Promathilda (Clathrobaculus) cf. parvula Sohl 1960
4 specimens
Promathilda (Clathrobaculus) cf. P - originally entered as "Promathilda cf. parvula"
Gastropoda - Opisthobranchia - Cylichnidae
Cylichna incisa Stephenson 1941
1 specimen
Cylichna incisa Stephenson
Cylichna diversilirata Sohl 1964
1 specimen
Cylichna diversilirata Sohl
Bivalvia - Arcida - Parallelodontidae
Nemodon eufaulensis
6 specimens
Nemodon eufaulensis (Gabb) [entered as Nemodon eufaulensis]
Bivalvia - Arcida - Arcidae
Striarca saffordi
7 specimens
Striarca saffordi (Gardner) non Gab
Bivalvia - Arcida - Glycymerididae
Postligata wordeni
4 specimens
Postligata wordeni Gardner
Bivalvia - Pectinida - Anomiidae
Anomia (Anomia) ornata Gabb 1876
1 specimen
Anomia (Anomia) ornata Gabb
Anomia (Anomia) argentaria Morton 1833
24 specimens
Anomia (Anomia) argentaria Morton
Bivalvia - Pectinida - Entoliidae
Syncyclonema simplicius
41 specimens
Syncylonema simplicus (Conrad) - originally entered as "Syncylonema simplicius"
Bivalvia - Pectinida - Pectinidae
Camptonectes (Camptonectes) bubonis (Stephenson 1941)
2 specimens
Camptonectes (Camptonectes) bubonis (
Bivalvia - Ostreida - Flemingostreidae
Cubitostrea tecticosta (Gabb 1860)
80 specimens
Cubitostrea tecticosta (Gabb)
Bivalvia - Ostreida - Gryphaeidae
Exogyra costata (Say 1820)
2 specimens
original and current combination Exogyra (Exogyra) costata
Exogyra costata Say
Bivalvia - Mytilida - Crenellidae
Crenella elegantula Meek and Hayden 1862
1 specimen
Crenella elegantula Meek & Hayden
Crenella serica Conrad 1860
30 specimens
Crenella serica Conrad
Bivalvia - Mytilida - Mytilidae
Botula conchafodentis
1 specimen
Botula conchafodentis (Gardner)
Botula lingua
2 specimens
Botula lingua Gardner
Lycettia tippanus
37 specimens
Lycettia tippanus (Conrad)
Modiolus sedesclaris
1 specimen
Modiolus sedesclaris Gardner
Bivalvia - Lucinida - Lucinidae
Nymphalucina ? linearea (Stephenson 1941)
1 specimen
recombined as Nymphalucina linearia
Nymphalucina ? linearea (Stephenso - originally entered as "Nymphalucina ? linearea"
Bivalvia - Poromyida - Poromyidae
Liopistha protexta Conrad 1853
15 specimens
Liopistha protexta Conrad
Bivalvia - Pholadida - Pholadidae
Pholas sp. Linnaeus 1758
2 specimens
Pholas sp.
Bivalvia - Pholadida - Corbulidae
Caestocorbula (Parmicorbula) percompressa
10 specimens
Caesticorbula (Parmicorbula) perco - originally entered as "Caesticorbula percompressa"
Caestocorbula (Caesticorbula) crassaplica Vincent 1910
14 specimens
Caesticorbula (Caesticorbula) cras - originally entered as "Caesticorbula crassaplica"
Bivalvia - Cardiida - Arcticidae
Tenea parilis
16 specimens
Tenea parilis Conrad
Veniella conradi Morton 1833
14 specimens
Veniella conradi (Morton)
Bivalvia - Cardiida - Veneridae
Cyprimeria sp. Conrad 1864
47 specimens
originally entered as "Cyprimeria "
Cyclorisma parva
1 specimen
Cyclorisma parva (Gardner)
Legumen ellipticum
11 specimens
Legumen ellipticum Conrad
Bivalvia - Cardiida - Mactridae
Cymbophora appressa
1 specimen
Cymbophora appressa (Gabb)
Cymbophora berryi
33 specimens
Cymbophora berryi (Gardner)
Cymbophora wordeni
4 specimens
Cymbophora wordeni (Gardner)
Bivalvia - Cardiida - Cardiidae
Granocardium (Granocardium) kummeli
2 specimens
synonym of Trachycardium
Granocardium (Granocardium) kummel
Granocardium (Granocardium) lowei
10 specimens
synonym of Trachycardium
Granocardium (Granocardium) lowei
Trachycardium eufaulensis (Conrad 1860)
43 specimens
Trachycardium eufaulensis (Conrad)
Bivalvia - Cardiida - Tellinidae
Linearia metastriata
4 specimens
original and current combination Linearis
Linearia metastriata Conrad
Aenona eufaulensis Conrad 1860
60 specimens
Aenona eufaulensis (Conrad)
Tellinimera buboana
5 specimens
Tellinimeria buboana Stephenson - originally entered as "Tellinimeria buboana"
Tellinimera gabbi
5 specimens
Tellinimeria gabbi Gardner - originally entered as "Tellinimeria gabbi"
Bivalvia - Solenida - Pharidae
Leptosolen biplicata (Conrad 1858)
6 specimens
Leptosolen biplicata (Conrad)
Bivalvia - Hiatellida - Hiatellidae
Panopea monmouthensis
1 specimen
Panopea monmouthensis Gardner
Bivalvia - Carditida - Crassatellidae
Crassatella vadosa Morton 1834
205 specimens
Crassatella vadosa vadosa Morton
Bivalvia - Trigoniida - Megatrigoniidae
Pterotrigonia (Scabrotrigonia) eufaulensis (Gabb 1860)
22 specimens
Pterotrigonia (Scabrotrigonia) euf
Bivalvia - Nuculida - Nuculidae
Nucula cuneifrons (Conrad 1860)
9 specimens
original and current combination Nucula cunifrons
Nucula cunifrons Conrad
Nucula percrassa
30 specimens
Nucula percrassa Conrad
Nucula amica Gardner 1916
4 specimens
Nucula amica Gardner
Bivalvia - Nuculanida - Nuculanidae
Nuculana whitfieldi
10 specimens
Nuculana whitfieldi (Gardner)
Nuculana rostrotruncata (Gardner 1916)
30 specimens
recombined as Nuculana rostratruncata
Nuculana rostrotruncata (Gardner)
Bivalvia - Nuculanida - Malletiidae
Malletia longfrons
4 specimens
Malletia longfrons (Conrad)
Perissonata littlei
1 specimen
original and current combination Perrisonota
Perissonata littlei Gardner
Scaphopoda - Dentaliida - Dentaliidae
Dentalium leve Stephenson 1923
124 specimens
Dentalium leve Stephenson
Polychaeta - Sabellida - Serpulidae
Serpula sp. Linnaeus 1758
Serpula sp.
Polychaeta - Serpulimorpha
Hamulus squamosus
Hamulus squamosus Gabb
Hamulus onyx Morton 1834
Hamulus onyx Morton
unclassified
Vertebrata indet. Lamarck 1801
Otolith
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:70.60000 - 66.00000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Severn
Stratigraphic resolution:formation
Stratigraphy comments: Haustator bilira assemblage zone
Lithology and environment
Primary lithology:gray lithified argillaceous,calcareous sandstone
Environment:marine indet. Tectonic setting:passive margin
Taphonomy
Modes of preservation:body,original aragonite,original calcite
Size of fossils:macrofossils
Collection methods and comments
Collection excludes:some macrofossils
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:4370
Authorizer:M. Kosnik Enterer:M. Kosnik
Modifier:M. Manojlovic Research group:marine invertebrate
Created:1999-08-14 13:00:00 Last modified:2016-08-08 11:58:20
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]