Sohl and Koch OFR # 417: Late/Upper Maastrichtian, Maryland

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Acirsa (Hemiacirsa) clathrata Sohl 1964
2 specimens
Acirsa (Hemiacirsa) clathrata Sohl
Acirsa (Hemiacirsa) flexicostata Sohl 1964
3 specimens
Acirsa (Hemiacirsa) flexicostata S
Polychaeta - Serpulimorpha
Hamulus ? huntensis
Hamulus? huntensis Stephenson - originally entered as "Hamulus ? huntensis"
Hamulus squamosus
Hamulus squamosus Gabb
Hamulus onyx Morton 1834
Hamulus onyx Morton
Scaphopoda - Dentaliida - Dentaliidae
Dentalium leve Stephenson 1923
108 specimens
Dentalium leve Stephenson
Cephalopoda - Ammonitida - Sphenodiscidae
Sphenodiscus sp. Meek 1871
33 specimens
Sphenodiscus sp.
Cephalopoda - Ammonitida - Scaphitidae
Discoscaphites conradi (Morton 1834)
7 specimens
Discoscaphites conradi (Morton) va
Cephalopoda - Ammonitida - Baculitidae
Baculites sp. Lamarck 1799
26 specimens
Baculites sp.
Cephalopoda - Nautilida - Nautilidae
Eutrephoceras dekayi (Morton 1834)
2 specimens
Eutrephoceras dekayi (Morton)
Gastropoda - Euomphalina - Euomphalidae
Weeksia sp. Stephenson 1941
1 specimen
Weeksia sp. (no spines)
Gastropoda - Epitoniidae
Striaticostatum sparsum Sohl 1964
2 specimens
Striaticostatum sparsum Sohl
Belliscala sp. Stephenson 1941
5 specimens
Belliscala sp.
Gastropoda - Eulimidae
Eulima clara Wade 1926
1 specimen
Eulima ? clara Wade
Gastropoda - Pickworthiidae
Urceolabrum tuberculatum
36 specimens
Urceolabrum turberculatum callistu
Gastropoda - Turritellidae
Turritella paravertebroides
27 specimens
Turritella paravertebroides Gardne
Turritella (Sohlitella) trilira (Conrad 1860)
29 specimens
original and current combination Turritella trilira
Turritella (Sohlitella) trilira (C
Turritella (Sohlitella) bilira (Stephenson 1941)
44 specimens
recombined as Haustator bilira
Turritella (Sohlitella) bilira (St
Gastropoda - Acteoninidae
Eoacteon sp. Stephenson 1955
2 specimens
Ecoacteon sp. - originally entered as "Ecoacteon sp."
Gastropoda - Naticidae
Gyrodes americanus
14 specimens
Gyrodes americanus Wade
Gyrodes spillmani Gabb 1861
3 specimens
recombined as Gyrodes (Sohlella) spillmani
Gyrodes spillmani Gabb
Gyrodes supraplicatus Conrad 1858
1 specimen
Gyrodes supraplicatus (Conrad)
Euspira rectilabrum (Conrad 1858)
44 specimens
Euspira rectilabrum (Conrad)
Polinices kummeli Sohl 1960
2 specimens
Polinices kummeli Sohl
Gastropoda - Neogastropoda - Turbinellidae
Napulus octoliratus Conrad 1858
6 specimens
Napulus octoliratus Conrad
Gastropoda - Neogastropoda - Olividae
Ancilla (Ancillus) acutula (Stephenson 1941)
4 specimens
recombined as Ancillus acutula
Ancilla (Ancillus) acutula (Stephe
Gastropoda - Neogastropoda - Paladmetidae
Paladmete cancellaria Conrad 1858
22 specimens
Paladmete cancellaria (Conrad)
Paladmete laevis Sohl 1964
1 specimen
Paladmete laevis Sohl
Gastropoda - Neogastropoda - Fasciolariidae
Remera juncea
1 specimen
Remera juncea (Gardner)
Remera flexicostata Sohl 1964
5 specimens
Remera flexicostata Sohl
Anomalofusus sp. Wade 1916
1 specimen
Anomalofusus sp.
Anomalofusus lemniscatus Sohl 1964
8 specimens
Anomalofusus lemniscatus Sohl
Bellifusus sp. Stephenson 1941
1 specimen
Bellifusus sp.
Bellifusus curvicostatus Wade 1926
7 specimens
Bellifusus curvicostatus (Wade)
Palaeopsephaea tenuilirata
1 specimen
original and current combination Paleopsephaea
Paleopsephaea tenuilirata Sohl - originally entered as "Paleopsephaea tenuilirata"
Hercorhynchus (Hercorhyncus) tippanus Conrad 1860
7 specimens
Hercorhyncus (Hercorhyncus) tippan - originally entered as "Hercorhyncus tippanus"
Drilluta marylandicus
2 specimens
Drilluta marylandicus (Gardner)
Graphidula terebriformis Stephenson 1941
6 specimens
Graphidula terebriformis Stephenso
Gastropoda - Neogastropoda - Buccinidae
Stantonella interupta Conrad 1858
7 specimens
corrected as Stantonella interrupta
Stantonella interupta (Conrad)
Gastropoda - Neogastropoda - Melongenidae
Deussenia bellalirata Conrad 1858
8 specimens
Deussenia bellalirata (Conrad)
? Serrifusus sp. n. sp. Meek 1876
3 specimens
Serrifusus ? n. sp. - originally entered as "Serrifusus ? n. sp."
Pyrifusus crassus Sohl 1964
2 specimens
Pyrifusus crassus Sohl
Gastropoda - Neogastropoda - Volutidae
Volutidae indet. Rafinesque 1815
1 specimen
Volutid snail
Longoconcha sp. Stephenson 1941
1 specimen
Longoconcha spp.
Liopeplum canalis Conrad 1858
3 specimens
Liopeplum canalis (Conrad)
Liopeplum cretaceum Conrad 1858
1 specimen
Liopeplum cretaceum (Conrad)
Myobarbum ? monmouthensis
3 specimens
Myobarbum ? monmouthensis (Gardner - originally entered as "Myobarbum ? monmouthensis"
Gastropoda - Neogastropoda - Pholidotomidae
Morea marylandica Gardner 1916
1 specimen
Morea marylandica Gardner
Gastropoda - Neogastropoda - Muricidae
Sargana sp. Stephenson 1923
1 specimen
Sargana sp.
Gastropoda - Neogastropoda
Fulgerca aff. attenuata (Wade 1926)
5 specimens
Fulgerca aff. A. attenuata (Wade) - originally entered as "Fulgerca aff. attenuata"
Gastropoda - Neogastropoda - Turridae
Beretra ripleyana Conrad 1858
9 specimens
Beretra ripleyana (Conrad)
Amuletum (Amuletum) dumasensis Sohl 1964
1 specimen
Amuletum (Amuletum) dumasensis Soh
Fusimilis tippanus Conrad 1858
4 specimens
Fusimilis tippanus (Conrad)
Gastropoda - Neogastropoda - Pyropsidae
Pyropsis prolixa Sohl 1964
2 specimens
Pyropsis prolixa Sohl
Gastropoda - Neogastropoda - Moreidae
Hercorhynchus (Hercorhyncus) sp.
1 specimen
Hercorhyncus (Hercorhyncus) sp. - originally entered as "Hercorhyncus sp."
Hercorhynchus (Haplovoluta) trililatus
2 specimens
Hercorhyncus (Haplovoluta) trilila - originally entered as "Hercorhyncus trililatus"
Gastropoda - Aporrhaidae
Pterocerella tippana
3 specimens
Pterocerella tippana (Conrad)
Arrhoges (Latiala) cf. lobata (Wade 1926)
1 specimen
recombined as Latiala lobata
Arrhoges (Latiala) cf. A. Lobata ( - originally entered as "Arrhoges cf. lobata"
Gastropoda - Heterostropha - Gordenellidae
Promathilda (Clathrobaculus) cf. parvula Sohl 1960
6 specimens
Promathilda (Clathrobaculus) cf. P - originally entered as "Promathilda cf. parvula"
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 triplicata Wade 1917
6 specimens
Creonella triplicata Wade
Gastropoda - Heterostropha - Architectonicidae
Pseudomalaxis pilsbryi
3 specimens
Pseudomalaxis pilsbryi Harbison
Gastropoda - Heterostropha - Acteonidae
Nonacteonina sp. n. sp. (Stephenson 1941)
1 specimen
original and current combination Nonactaeonina
"Nonacteonina n. sp. (slender, subs" - originally entered as "Nonacteonina n. sp."
Actaeon cicatricosus
1 specimen
replaced by Acteon
Acteon cicatricosus Sohl - originally entered as "Acteon cicatricosus"
Gastropoda - Heterostropha - Ringiculidae
Oligoptycha sp. Meek 1876
4 specimens
Oligoptycha sp.
Ringicula (Ringiculella) clarki Durham 1944
146 specimens
recombined as Ringicula (Ringiculina) clarki
Ringicula (Ringiculella) clarki Ga
Gastropoda - Opisthobranchia - Scaphandridae
Ellipsoscapha mortoni Forbes 1845
2 specimens
Ellipsoscapha mortoni (Forbes)
Gastropoda - Opisthobranchia - Cylichnidae
Cylichna sp. Lovén 1846
3 specimens
Cylichna sp.
Bivalvia - Nuculanida - Nuculanidae
Nuculana whitfieldi
21 specimens
Nuculana whitfieldi (Gardner)
Nuculana rostrotruncata (Gardner 1916)
52 specimens
recombined as Nuculana rostratruncata
Nuculana rostrotruncata (Gardner)
Bivalvia - Nuculanida - Malletiidae
Malletia longfrons
2 specimens
Malletia longfrons (Conrad)
Perissonata littlei
3 specimens
original and current combination Perrisonota
Perissonata littlei Gardner
Perissonata protexta
3 specimens
original and current combination Perrisonota
Perissonata protexta (Conrad) non G
Bivalvia - Nuculida - Nuculidae
Nucula percrassa
132 specimens
Nucula percrassa Conrad
Nucula cuneifrons (Conrad 1860)
10 specimens
original and current combination Nucula cunifrons
Nucula cunifrons Conrad
Bivalvia - Pandorida - Laternulidae
Periplomya sp. Conrad 1870
1 specimen
Periplomya sp.
Bivalvia - Poromyida - Poromyidae
Liopistha protexta Conrad 1853
19 specimens
Liopistha protexta Conrad
Bivalvia - Hiatellida - Hiatellidae
Panopea monmouthensis
1 specimen
Panopea monmouthensis Gardner
Bivalvia - Solenida - Pharidae
Leptosolen biplicata (Conrad 1858)
34 specimens
Leptosolen biplicata (Conrad)
Bivalvia - Pholadida - Pholadidae
Opertochasma sp. Stephenson 1953
6 specimens
Opertochasma sp.
Clavipholas pectorosa
2 specimens
Claripholas pectorosa (Conrad)
Bivalvia - Pholadida - Corbulidae
Corbula monmouthensis Gardner 1916
3 specimens
Corbula monmouthensis Gardner
Caestocorbula (Parmicorbula) percompressa
29 specimens
Caesticorbula (Parmicorbula) perco - originally entered as "Caesticorbula percompressa"
Caestocorbula (Caesticorbula) crassaplica Vincent 1910
54 specimens
Caesticorbula (Caesticorbula) cras - originally entered as "Caesticorbula crassaplica"
Bivalvia - Cardiida - Arcticidae
Etea cf. carolinensis Conrad 1875
1 specimen
Etea cf. Etea carolinensis Conrad - originally entered as "Etea cf. carolinensis"
Veniella conradi Morton 1833
10 specimens
Veniella conradi (Morton)
Tenea parilis
39 specimens
Tenea parilis Conrad
Bivalvia - Cardiida - Veneridae
Cyclorisma parva
4 specimens
Cyclorisma parva (Gardner)
Legumen ellipticum
10 specimens
Legumen ellipticum Conrad
Cyprimeria alta
9 specimens
Cyprimeria alta Conrad
Cyprimeria depressa
19 specimens
Cyprimeria depressa Conrad
Bivalvia - Cardiida - Mactridae
Cymbophora appressa
4 specimens
Cymbophora appressa (Gabb)
Cymbophora berryi
186 specimens
Cymbophora berryi (Gardner)
Bivalvia - Cardiida - Tellinidae
Aenona eufaulensis Conrad 1860
64 specimens
Aenona eufaulensis (Conrad)
Linearia metastriata
3 specimens
original and current combination Linearis
Linearia metastriata Conrad
Tellinimera buboana
8 specimens
Tellinimeria buboana Stephenson - originally entered as "Tellinimeria buboana"
Tellinimera gabbi
17 specimens
Tellinimeria gabbi Gardner - originally entered as "Tellinimeria gabbi"
Solyma gardnerae
2 specimens
Solyma gardnerae Stephenson
Bivalvia - Cardiida - Cardiidae
Granocardium (Granocardium) kummeli
24 specimens
synonym of Trachycardium
Granocardium (Granocardium) kummel
Trachycardium eufaulensis (Conrad 1860)
108 specimens
Trachycardium eufaulensis (Conrad)
Bivalvia - Lucinida - Lucinidae
Myrtea stephensoni
2 specimens
Myrtea stephensoni Gardner
Bivalvia - Carditida - Crassatellidae
Crassatella vadosa Morton 1834
207 specimens
Crassatella vadosa vadosa Morton
Bathytormus pteropsis (Conrad 1860)
1 specimen
Bathytormus pteropsis (Conrad)
Bivalvia - Carditida - Carditidae
Vetericardiella crenalirata
2 specimens
Vetericardiella crenalirata (Conra
Bivalvia - Carditida - Condylocardiidae
Uddenia texana Stephenson 1941
2 specimens
recombined as Cuna texana
Uddenia texana Stephenson
Bivalvia - Carditida - Astartidae
Astarte culebrensis
3 specimens
Astarte? culebrensis (Stephenson)
Bivalvia - Trigoniida - Megatrigoniidae
Pterotrigonia (Scabrotrigonia) eufaulensis (Gabb 1860)
34 specimens
Pterotrigonia (Scabrotrigonia) euf
Bivalvia - Mytilida - Crenellidae
Crenella serica Conrad 1860
58 specimens
Crenella serica Conrad
Bivalvia - Mytilida - Mytilidae
Botula conchafodentis
11 specimens
Botula conchafodentis (Gardner)
Lithophaga sp. Röding 1798
2 specimens
Lithophaga sp.
Modiolus sedesclaris
1 specimen
Modiolus sedesclaris Gardner
Modiolus trigonus
1 specimen
Modiolus trigonus Gardner
Lycettia tippanus
27 specimens
Lycettia tippanus (Conrad)
Bivalvia - Pectinida - Anomiidae
Anomia (Anomia) argentaria Morton 1833
21 specimens
Anomia (Anomia) argentaria Morton
Bivalvia - Pectinida - Entoliidae
Syncyclonema simplicius
100 specimens
Syncylonema simplicus (Conrad) - originally entered as "Syncylonema simplicius"
Bivalvia - Ostreida - Pteriidae
Pteria rhombica
3 specimens
Pteria rhombica Gardner
Bivalvia - Ostreida - Flemingostreidae
Cubitostrea tecticosta (Gabb 1860)
129 specimens
Cubitostrea tecticosta (Gabb)
Bivalvia - Ostreida - Gryphaeidae
Pycnodonte vesicularis (Lamarck 1806)
3 specimens
recombined as Pycnodonta vesicularis
Pycnodonte vesicularis Lamarck
Exogyra costata (Say 1820)
5 specimens
original and current combination Exogyra (Exogyra) costata
Exogyra costata Say
Bivalvia - Arcida - Arcidae
Striarca saffordi
10 specimens
Striarca saffordi (Gardner) non Gab
Bivalvia - Arcida - Parallelodontidae
Nemodon eufaulensis
2 specimens
Nemodon eufaulensis (Gabb) [entered as Nemodon eufaulensis]
Nemodon stantoni
12 specimens
Nemodon stantoni Gardner
Bivalvia - Arcida - Glycymerididae
Glycymeris rotundata
1 specimen
Glycymeris rotundata (Gabb)
Postligata wordeni
49 specimens
Postligata wordeni Gardner
unclassified
Bryozoa indet. Ehrenberg 1831
Bryozoa (branching)
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, 76.8° 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:gray lithified 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:Central Ave; USGS # 28858
Database number:4368
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 11:58:12
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]