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
unclassified | |
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Bryozoa | |
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Cephalopoda | |
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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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"Cucullaea (Idonearca) capax" = Idonearca capax
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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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Syncyclonema simplicius scallop Syncylonema simplicus (Conrad) - originally entered as "Syncylonema simplicius"
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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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"Exogyra costata" = Exogyra (Exogyra) costata
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Anatimya anteradiata Conrad 1860 clam Anatymya anteradiata Conrad - originally entered as "Anatymya anteradiata"
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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, "Linearia metastriata" = Linearis, Solyma gardnerae, Tellinimera buboana, Tellinimera gabbi, 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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Caestocorbula (Parmicorbula) percompressa, Caestocorbula (Caesticorbula) crassaplica, Corbula subradiata, Corbula monmouthensis
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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? 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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"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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Scaphopoda | |
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Gastropoda | |
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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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Turritella hilgardi, Turritella paravertebroides, "Turritella (Sohlitella) trilira" = Turritella trilira, "Turritella (Sohlitella) bilira" = Haustator bilira
"Turritella (Sohlitella) trilira" = Turritella trilira Conrad 1860 turret shell Turritella (Sohlitella) trilira (C
"Turritella (Sohlitella) bilira" = Haustator bilira Stephenson 1941 turret shell Turritella (Sohlitella) bilira (St
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Gyrodes americanus, "Gyrodes spillmani" = Gyrodes (Sohlella) spillmani, Gyrodes supraplicatus, Euspira rectilabrum
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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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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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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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Remnita cf. biacuminata, Fusimilis tippanus, Beretra cf. gracilis, Amuletum (Amuletum) dumasensis, Amuletum cf. fasciolatum
Remnita cf. biacuminata Wade 1926 turrid Remnita cf. R. biacuminata (Wade) - originally entered as "Remnita cf. biacuminata"
Beretra cf. gracilis Wade 1926 turrid Beretra cf. B. gracilis - originally entered as "Beretra cf. gracilis"
Amuletum cf. fasciolatum Wade 1926 turrid Amuletum cf. A. fasciolatum (Wade) - originally entered as "Amuletum cf. fasciolatum"
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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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Remera cf. cretacea, Remera sp., Remera flexicostata, Anomalofusus lemniscatus, Hercorhynchus (Hercorhyncus) tippanus, Hercorhynchus (Hercorhyncus) pagodaformis, Graphidula sp., Graphidula terebriformis, Bellifusus curvicostatus, Drilluta marylandicus, Drilluta buboanus
Remera cf. cretacea snail Remera cf. R. cretacea Gardner - originally entered as "Remera cf. cretacea"
Hercorhynchus (Hercorhyncus) tippanus Conrad 1860 snail Hercorhyncus (Hercorhyncus) tippan - originally entered as "Hercorhyncus tippanus"
Hercorhynchus (Hercorhyncus) pagodaformis Sohl 1964 snail Hercorhyncus (Hercorhyncus) pagoda - originally entered as "Hercorhyncus pagodaformis"
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"Stantonella interupta" = Stantonella interrupta Conrad 1858 true whelk Stantonella interupta (Conrad)
Odontobasis cf. sulcata Sohl 1964 true whelk Odantobasis cf. O. sulcata - originally entered as "Odantobasis cf. sulcata"
Hydrotribulus asper true whelk Hydeotribulus asper Stephenson - originally entered as "Hydeotribulus asper"
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? Serrifusus sp. n. sp. Meek 1876 snail Serrifusus ? n. sp. - originally entered as "Serrifusus ? n. sp."
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Eoacteon linteus Conrad 1858 snail Ecoacteon linteus (Conrad) - originally entered as "Ecoacteon linteus"
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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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"Ringicula (Ringiculella) clarki" = Ringicula (Ringiculina) clarki, Oligoptycha sp.
"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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Ellipsoscapha cf. occidentalis snail Ellipsoscapha cf. E. occidentalis - originally entered as "Ellipsoscapha cf. occidentalis"
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Polychaeta | |
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Anthozoa | |
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