Also known as Landover Mall; USGS # 32774
Where: Prince Georges County, Maryland (38.9° N, 76.9° 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 sandstone
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 4369: authorized by Matt Kosnik, entered by Matt Kosnik on 14.08.1999
Creative Commons license: CC BY (attribution)
Taxonomic list
Anthozoa | |
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unclassified | |
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Gastropoda | |
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"Turritella (Sohlitella) bilira" = Haustator bilira, Turritella hilgardi, Turritella paravertebroides, "Turritella (Sohlitella) trilira" = Turritella trilira
"Turritella (Sohlitella) bilira" = Haustator bilira Stephenson 1941 turret shell Turritella (Sohlitella) bilira (St
"Turritella (Sohlitella) trilira" = Turritella trilira Conrad 1860 turret shell Turritella (Sohlitella) trilira (C
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Cerithium aff. weeksi Wade 1926 cerith snail Cerithium aff. Certhium weeksi Wa - originally entered as "Cerithium aff. weeksi"
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Eoacteon linteus Conrad 1858 snail Ecoacteon linteus (Conrad) - originally entered as "Ecoacteon linteus"
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"Ancilla (Ancillus) acutula" = Ancillus acutula
"Ancilla (Ancillus) acutula" = Ancillus acutula Stephenson 1941 olive snail Ancilla (Ancillus) acutula (Stephe
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Fulgerca aff. attenuata Wade 1926 snail Fulgerca aff. A. attenuata (Wade) - originally entered as "Fulgerca aff. attenuata"
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Myobarbum ? monmouthensis volute Myobarbum ? monmouthensis (Gardner - originally entered as "Myobarbum ? monmouthensis"
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"Lowenstamia cucullata" = Sohliina cucullata
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Hydrotribulus asper true whelk Hydeotribulus asper Stephenson - originally entered as "Hydeotribulus asper"
Odontobasis cf. sulcata Sohl 1964 true whelk Odantobasis cf. O. sulcata - originally entered as "Odantobasis cf. sulcata"
"Stantonella interupta" = Stantonella interrupta Conrad 1858 true whelk Stantonella interupta (Conrad)
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? Serrifusus sp. n. sp. Meek 1876 snail Serrifusus ? n. sp. - originally entered as "Serrifusus ? n. sp."
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Graphidula sp., Graphidula terebriformis, Bellifusus curvicostatus, Drilluta marylandicus, Drilluta buboanus, Hercorhynchus (Hercorhyncus) pagodaformis, Hercorhynchus (Hercorhyncus) tippanus, Anomalofusus lemniscatus, Remera cf. cretacea, Remera sp., Remera flexicostata
Hercorhynchus (Hercorhyncus) pagodaformis Sohl 1964 snail Hercorhyncus (Hercorhyncus) pagoda - originally entered as "Hercorhyncus pagodaformis"
Hercorhynchus (Hercorhyncus) tippanus Conrad 1860 snail Hercorhyncus (Hercorhyncus) tippan - originally entered as "Hercorhyncus tippanus"
Remera cf. cretacea snail Remera cf. R. cretacea Gardner - originally entered as "Remera cf. cretacea"
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Napulus sp. n. sp., Napulus octoliratus
Napulus sp. n. sp. Stephenson 1941 snail Napulus n. sp. (MD) - originally entered as "Napulus n. sp."
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Hercorhynchus (Haplovoluta) trililatus snail Hercorhyncus (Haplovoluta) trilila - originally entered as "Hercorhyncus trililatus"
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Amuletum cf. fasciolatum, Amuletum (Amuletum) dumasensis, Beretra cf. gracilis, Remnita cf. biacuminata, Fusimilis tippanus
Amuletum cf. fasciolatum Wade 1926 turrid Amuletum cf. A. fasciolatum (Wade) - originally entered as "Amuletum cf. fasciolatum"
Beretra cf. gracilis Wade 1926 turrid Beretra cf. B. gracilis - originally entered as "Beretra cf. gracilis"
Remnita cf. biacuminata Wade 1926 turrid Remnita cf. R. biacuminata (Wade) - originally entered as "Remnita cf. biacuminata"
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Trachytriton sp. n. sp.
Trachytriton sp. n. sp. Meek 1864 triton shell Trachyritan n. sp. - originally entered as "Trachytriton n. sp."
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Gyrodes americanus, Gyrodes supraplicatus, "Gyrodes spillmani" = Gyrodes (Sohlella) spillmani, Euspira rectilabrum
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Ellipsoscapha cf. occidentalis snail Ellipsoscapha cf. E. occidentalis - originally entered as "Ellipsoscapha cf. occidentalis"
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Creonella cf. subangulata Sohl 1964 snail Creonella cf. C. subangulata Sohl - originally entered as "Creonella cf. subangulata"
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Oligoptycha sp., "Ringicula (Ringiculella) clarki" = Ringicula (Ringiculina) clarki
"Ringicula (Ringiculella) clarki" = Ringicula (Ringiculina) clarki Durham 1944 snail Ringicula (Ringiculella) clarki Ga
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"Nonacteonina cf. graphoides" = Nonactaeonina, "Nonacteonina sp. n. sp." = Nonactaeonina, "Actaeon cicatricosus" = Acteon, "Actaeon sp." = Acteon
"Nonacteonina cf. graphoides" = Nonactaeonina snail Nonacteonina cf. N. graphoides Ste - originally entered as "Nonacteonina cf. graphoides"
"Nonacteonina sp. n. sp." = Nonactaeonina snail "Nonacteonina n. sp. (slender, subs" - originally entered as "Nonacteonina n. sp."
"Actaeon cicatricosus" = Acteon snail Acteon cicatricosus Sohl - originally entered as "Acteon cicatricosus"
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Mathilda cf. cedarensis Stephenson 1941 snail Mathilda cf. M. cedarensis Stephen - originally entered as "Mathilda cf. cedarensis"
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Promathilda (Clathrobaculus) cf. parvula Sohl 1960 snail Promathilda (Clathrobaculus) cf. P - originally entered as "Promathilda cf. parvula"
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Bivalvia | |
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Nuculana whitfieldi, "Nuculana rostrotruncata" = Nuculana rostratruncata
"Nuculana rostrotruncata" = Nuculana rostratruncata Gardner 1916 pointed nut clam Nuculana rostrotruncata (Gardner)
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"Nymphalucina ? linearea" = Nymphalucina linearia, Myrtea stephensoni
"Nymphalucina ? linearea" = Nymphalucina linearia Stephenson 1941 clam Nymphalucina ? linearea (Stephenso - originally entered as "Nymphalucina ? linearea"
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Anatimya anteradiata Conrad 1860 clam Anatymya anteradiata Conrad - originally entered as "Anatymya anteradiata"
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? Leptosolen sp. n. sp., Leptosolen biplicata
? Leptosolen sp. n. sp. Conrad 1865 clam Leptosolen ? n. sp. (angular anter - originally entered as "Leptosolen ? n. sp."
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Corbula subradiata, Corbula monmouthensis, Caestocorbula (Parmicorbula) percompressa, Caestocorbula (Caesticorbula) crassaplica
Caestocorbula (Parmicorbula) percompressa clam Caesticorbula (Parmicorbula) perco - originally entered as "Caesticorbula percompressa"
Caestocorbula (Caesticorbula) crassaplica Vincent 1910 clam Caesticorbula (Caesticorbula) cras - originally entered as "Caesticorbula crassaplica"
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Etea cf. carolinensis Conrad 1875 clam Etea cf. Etea carolinensis Conrad - originally entered as "Etea cf. carolinensis"
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"Tellina ? georgiana" = Sourimis georgiana, Tellinimera buboana, Tellinimera gabbi, Solyma gardnerae, "Linearia metastriata" = Linearis, Aenona eufaulensis
"Tellina ? georgiana" = Sourimis georgiana Gabb 1876 tellin clam Tellina georgiana Gabb ? - originally entered as "Tellina georgiana ?"
Tellinimera buboana tellin clam Tellinimeria buboana Stephenson - originally entered as "Tellinimeria buboana"
Tellinimera gabbi tellin clam Tellinimeria gabbi Gardner - originally entered as "Tellinimeria gabbi"
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"Cucullaea (Idonearca) capax" = Idonearca capax
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"Exogyra costata" = Exogyra (Exogyra) costata
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"Lima (Lima) acutilineata" = Limatula acutilineata, "Lima (Lima) reticulata" = Lima reticulata
"Lima (Lima) acutilineata" = Limatula acutilineata Conrad 1858 file clam Lima (Lima) acutilineata Conrad
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Camptonectes sp. n. sp. Meek 1864 scallop Camptonectes n. sp. (small convex) - originally entered as "Camptonectes n. sp."
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Syncyclonema simplicius scallop Syncylonema simplicus (Conrad) - originally entered as "Syncylonema simplicius"
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Cephalopoda | |
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Scaphopoda | |
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Bryozoa | |
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Polychaeta | |
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