Sohl and Koch OFR # 423: Late/Upper Maastrichtian, Maryland

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Echinoidea
Echinoidea indet. (Leske 1778)
Echinoid sp. - originally entered as "Echinoidea sp."
unclassified
Pseudomalaxis stantoni Sohl 1960
1 specimen
Pseudomalaxis stantoni Sohl
Vertebrata indet. Lamarck 1801
Otolith
Polychaeta - Serpulimorpha
Hamulus squamosus
Hamulus squamosus Gabb
Hamulus onyx Morton 1834
Hamulus onyx Morton
Polychaeta - Sabellida - Serpulidae
Serpula sp. Linnaeus 1758
Serpula sp.
Cephalopoda - Ammonitida - Sphenodiscidae
Sphenodiscus sp. Meek 1871
5 specimens
Sphenodiscus sp.
Scaphopoda - Dentaliida - Dentaliidae
Dentalium sp. Linnaeus 1758
2 specimens
Dentalium sp. (ribbed)
Dentalium leve Stephenson 1923
29 specimens
Dentalium leve Stephenson
Scaphopoda - Gadilida - Gadilidae
Cadulus obnutus
3 specimens
Cadulus obnutus (Conrad)
Gastropoda - Heterostropha - Mathildidae
Mathilda cf. cedarensis Stephenson 1941
5 specimens
Mathilda cf. M. cedarensis Stephen - originally entered as "Mathilda cf. cedarensis"
Gastropoda - Heterostropha - Pyramidellidae
Creonella cf. subangulata Sohl 1964
6 specimens
Creonella cf. C. subangulata Sohl - originally entered as "Creonella cf. subangulata"
Creonella triplicata Wade 1917
12 specimens
Creonella triplicata Wade
Gastropoda - Heterostropha - Acteonidae
Actaeon sp. Oken 1815
1 specimen
replaced by Acteon
Acteon sp. - originally entered as "Acteon sp."
Gastropoda - Heterostropha - Ringiculidae
Ringicula (Ringiculella) clarki Durham 1944
13 specimens
recombined as Ringicula (Ringiculina) clarki
Ringicula (Ringiculella) clarki Ga
Gastropoda - Skeneidae
Teinostoma cf. clara Sohl 1960
3 specimens
recombined as Solariorbis clara
Teinostoma cf. T. clara Sohl - originally entered as "Teinostoma cf. clara"
Gastropoda - Opisthobranchia - Cylichnidae
Cylichna incisa Stephenson 1941
3 specimens
Cylichna incisa Stephenson
Gastropoda - Turritellidae
Turritella (Sohlitella) bilira (Stephenson 1941)
16 specimens
recombined as Haustator bilira
Turritella (Sohlitella) bilira (St
Turritella (Sohlitella) trilira (Conrad 1860)
6 specimens
original and current combination Turritella trilira
Turritella (Sohlitella) trilira (C
Turritella vertebroides Morton 1834
3 specimens
Turritella vertebroides Morton
Gastropoda - Pickworthiidae
Urceolabrum tuberculatum
7 specimens
Urceolabrum turberculatum callistu
Gastropoda - Naticidae
Gyrodes spillmani Gabb 1861
4 specimens
recombined as Gyrodes (Sohlella) spillmani
Gyrodes spillmani Gabb
Gyrodes supraplicatus Conrad 1858
1 specimen
Gyrodes supraplicatus (Conrad)
Euspira rectilabrum (Conrad 1858)
39 specimens
Euspira rectilabrum (Conrad)
Gastropoda - Rissoidae
Anteglossia tennesseensis (Wade 1926)
1 specimen
original and current combination Rissoina tennesseensis
Anteglosia tennesseensis (Wade) - originally entered as "Anteglosia tennesseensis"
Gastropoda - Neogastropoda - Buccinidae
Stantonella interupta Conrad 1858
1 specimen
corrected as Stantonella interrupta
Stantonella interupta (Conrad)
Gastropoda - Neogastropoda - Paladmetidae
Paladmete cancellaria Conrad 1858
2 specimens
Paladmete cancellaria (Conrad)
Gastropoda - Neogastropoda - Pyropsidae
Pyropsis perlata (Conrad 1860)
1 specimen
Pyropsis perlata Conrad
Gastropoda - Neogastropoda - Turridae
Beretra sp. Stephenson 1941
2 specimens
Beretra sp.
Fusimilis novemcostatus Conrad 1858
1 specimen
Fusimilis novemcostatus (Conrad)
Gastropoda - Neogastropoda - Volutidae
Liopeplum cretaceum Conrad 1858
1 specimen
Liopeplum cretaceum (Conrad)
Gastropoda - Aporrhaidae
Pterocerella tippana
2 specimens
Pterocerella tippana (Conrad)
Arrhoges (Latiala) sp. (Gabb 1868)
1 specimen
Arrhoges (Latiala) sp.
Gastropoda - Eulimidae
Eulima clara Wade 1926
1 specimen
Eulima ? clara Wade
Bivalvia - Nuculanida - Nuculanidae
Nuculana whitfieldi
25 specimens
Nuculana whitfieldi (Gardner)
Nuculana rostrotruncata (Gardner 1916)
9 specimens
recombined as Nuculana rostratruncata
Nuculana rostrotruncata (Gardner)
Bivalvia - Nuculanida - Malletiidae
Perissonata littlei
1 specimen
original and current combination Perrisonota
Perissonata littlei Gardner
Perissonata protexta
1 specimen
original and current combination Perrisonota
Perissonata protexta (Conrad) non G
Bivalvia - Nuculida - Nuculidae
Nucula cuneifrons (Conrad 1860)
4 specimens
original and current combination Nucula cunifrons
Nucula cunifrons Conrad
Nucula percrassa
142 specimens
Nucula percrassa Conrad
Nucula amica Gardner 1916
1 specimen
Nucula amica Gardner
Bivalvia - Mytilida - Crenellidae
Crenella serica Conrad 1860
473 specimens
Crenella serica Conrad
Bivalvia - Mytilida - Mytilidae
Modiolus sedesclaris
34 specimens
Modiolus sedesclaris Gardner
Lycettia tippanus
26 specimens
Lycettia tippanus (Conrad)
Bivalvia - Myalinida - Inoceramidae
Tenuipteria argenteus
1 specimen
Tenuiptereus argenteus (Conrad)
Bivalvia - Pectinida - Pectinidae
Camptonectes (Camptonectes) bubonis (Stephenson 1941)
2 specimens
Camptonectes (Camptonectes) bubonis (
Chlamys (Chlamys) cretosus Defrance 1822
1 specimen
Chlamys (Chlamys) cretosus (deFran
Bivalvia - Pectinida - Limidae
Lima (Lima) reticulata Forbes 1845
7 specimens
recombined as Lima reticulata
Lima (Lima) reticulata Lyell & For
Bivalvia - Pectinida - Anomiidae
Anomia (Anomia) argentaria Morton 1833
122 specimens
Anomia (Anomia) argentaria Morton
Bivalvia - Pectinida - Entoliidae
Syncyclonema simplicius
41 specimens
Syncylonema simplicus (Conrad) - originally entered as "Syncylonema simplicius"
Bivalvia - Ostreida - Pteriidae
Phelopteria linguiformis
2 specimens
Phelopteria linguiformis (Evans & Shu
Pteria rhombica
1 specimen
Pteria rhombica Gardner
Bivalvia - Ostreida - Ostreidae
Ostrea plumosa Morton 1833
5 specimens
Ostrea plumosa Morton
Ostrea mesenterica Morton 1834
204 specimens
recombined as Lopha mesenterica
Ostrea mesenterica Morton
Bivalvia - Ostreida - Flemingostreidae
Cubitostrea tecticosta (Gabb 1860)
297 specimens
Cubitostrea tecticosta (Gabb)
Bivalvia - Ostreida - Gryphaeidae
Exogyra costata (Say 1820)
6 specimens
original and current combination Exogyra (Exogyra) costata
Exogyra costata spinifera Stephens
Gryphaeostrea vomer (Morton 1828)
2 specimens
Gryphaeostrea vomer Morton
Pycnodonte vesicularis (Lamarck 1806)
12 specimens
recombined as Pycnodonta vesicularis
Pycnodonte vesicularis Lamarck
Bivalvia - Arcida - Parallelodontidae
Nemodon eufaulensis
5 specimens
Nemodon eufaulensis (Gabb) [entered as Nemodon eufaulensis]
Bivalvia - Arcida - Cucullaeidae
Cucullaea (Idonearca) sp. n. sp. (Conrad 1862)
1 specimen
Cucullaea (Idonearca) n. sp. (Brigh - originally entered as "Cucullaea n. sp."
Cucullaea (Idonearca) capax Conrad 1858
4 specimens
recombined as Idonearca capax
Cucullaea (Idonearca) capax Conrad
Bivalvia - Arcida - Arcidae
Striarca saffordi
39 specimens
Striarca saffordi (Gardner) non Gab
Bivalvia - Arcida - Glycymerididae
Postligata wordeni
142 specimens
Postligata wordeni Gardner
Bivalvia - Cardiida - Cardiidae
Granocardium (Granocardium) kummeli
1 specimen
synonym of Trachycardium
Granocardium (Granocardium) kummel
Protocardia (Pachycardium) spillmani
1 specimen
Protocardium (Pachycardium) spillm - originally entered as "Protocardium spillmani"
Trachycardium eufaulensis (Conrad 1860)
22 specimens
Trachycardium eufaulensis (Conrad)
Bivalvia - Cardiida - Tellinidae
Aenona eufaulensis Conrad 1860
37 specimens
Aenona eufaulensis (Conrad)
Tellinimera buboana
4 specimens
Tellinimeria buboana Stephenson - originally entered as "Tellinimeria buboana"
Linearia metastriata
3 specimens
original and current combination Linearis
Linearia metastriata Conrad
Tellina sp. n. sp. Linnaeus 1758
2 specimens
Tellina n. sp. (smooth) - originally entered as "Tellina n. sp."
Tellina sp. Linnaeus 1758
5 specimens
Tellina sp.
Bivalvia - Cardiida - Veneridae
Cyclorisma parva
11 specimens
Cyclorisma parva (Gardner)
Legumen ellipticum
5 specimens
Legumen ellipticum Conrad
Cyprimeria alta
11 specimens
Cyprimeria alta Conrad
Cyprimeria depressa
21 specimens
Cyprimeria depressa Conrad
Bivalvia - Cardiida - Mactridae
Mactridae indet. Lamarck 1809
1 specimen
Mactrid n. sp.
Cymbophora berryi
24 specimens
Cymbophora berryi (Gardner)
Cymbophora wordeni
5 specimens
Cymbophora wordeni (Gardner)
Bivalvia - Cardiida - Arcticidae
Veniella conradi Morton 1833
9 specimens
Veniella conradi (Morton)
Tenea parilis
8 specimens
Tenea parilis Conrad
Bivalvia - Pholadida - Corbulidae
Corbula monmouthensis Gardner 1916
25 specimens
Corbula monmouthensis Gardner
Caestocorbula (Parmicorbula) percompressa
89 specimens
Caesticorbula (Parmicorbula) perco - originally entered as "Caesticorbula percompressa"
Caestocorbula (Parmicorbula) terramaria
5 specimens
Caesticorbula (Parmicorbula) terra - originally entered as "Caesticorbula terramaria"
Caestocorbula (Caesticorbula) crassaplica Vincent 1910
308 specimens
Caesticorbula (Caesticorbula) cras - originally entered as "Caesticorbula crassaplica"
Corbula subradiata
7 specimens
Corbula subradiata Gardner
Bivalvia - Pholadida - Pholadidae
Clavipholas pectorosa
1 specimen
Claripholas pectorosa (Conrad)
Opertochasma sp. Stephenson 1953
1 specimen
Opertochasma sp.
Bivalvia - Solenida - Pharidae
Leptosolen ? elongata
2 specimens
Leptosolen ? elongata Weller - originally entered as "Leptosolen ? elongata"
Leptosolen biplicata (Conrad 1858)
3 specimens
Leptosolen biplicata (Conrad)
Bivalvia - Poromyida - Poromyidae
Liopistha protexta Conrad 1853
2 specimens
Liopistha protexta Conrad
Bivalvia - Lucinida - Lucinidae
Myrtea stephensoni
16 specimens
Myrtea stephensoni Gardner
Bivalvia - Carditida - Crassatellidae
Crassatella vadosa Morton 1834
160 specimens
Crassatella vadosa vadosa Morton
Bathytormus pteropsis (Conrad 1860)
1 specimen
Bathytormus pteropsis (Conrad)
Bivalvia - Carditida - Condylocardiidae
Uddenia texana Stephenson 1941
3 specimens
recombined as Cuna texana
Uddenia texana Stephenson
Bivalvia - Carditida - Carditidae
Vetericardiella crenalirata
1 specimen
Vetericardiella crenalirata (Conra
Bivalvia - Trigoniida - Megatrigoniidae
Pterotrigonia (Scabrotrigonia) eufaulensis (Gabb 1860)
106 specimens
Pterotrigonia (Scabrotrigonia) euf
Malacostraca
Malacostraca indet. (Latreille 1802)
Crab parts
Anthozoa - Scleractinia - Micrabaciidae
Micrabacia sp. Milne-Edwards 1849
Micrabacia spp.
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 argillaceous 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:Brightseat; USGS # 32772
Database number:4373
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 11:58:57
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]