Also known as Lanham; USGS # 31082
Where: Prince Georges County, Maryland (38.9° N, 76.8° W: paleocoordinates 39.8° N, 52.7° W)
• small collection-level geographic resolution
When: Discoscaphites conradi ammonoid zone, upper Member (Severn Formation), Late/Upper Maastrichtian (70.6 - 66.0 Ma)
• Haustator bilira assemblage zone
• member-level stratigraphic resolution
Environment/lithology: marine; gray, argillaceous sandstone
Size class: macrofossils
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 4374: 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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Polychaeta | |
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Cephalopoda | |
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Bivalvia | |
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Syncyclonema simplicius scallop Syncylonema simplicus (Conrad) - originally entered as "Syncylonema simplicius"
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Caestocorbula (Parmicorbula) percompressa, Caestocorbula (Caesticorbula) crassaplica, 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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Aenona eufaulensis, "Linearia metastriata" = Linearis
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Gastropoda | |
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Turritella hilgardi, "Turritella (Sohlitella) bilira" = Haustator bilira
"Turritella (Sohlitella) bilira" = Haustator bilira Stephenson 1941 turret shell Turritella (Sohlitella) bilira (St
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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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Hercorhynchus (Hercorhyncus) sp. snail Hercorhyncus (Hercorhyncus) sp. - originally entered as "Hercorhyncus sp."
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"Arrhoges (Latiala) cf. lobata" = Latiala lobata
"Arrhoges (Latiala) cf. lobata" = Latiala lobata Wade 1926 snail Arrhoges (Latiala) cf. A. Lobata ( - originally entered as "Arrhoges cf. lobata"
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Scaphopoda | |
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