Also known as Oxen Hill; USGS # 32769
Where: Prince Georges County, Maryland (38.8° N, 77.0° W: paleocoordinates 39.7° N, 52.9° 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; lithified, gray, argillaceous sandstone
Size class: macrofossils
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 4364: 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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Polychaeta | |
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Sedentaria | |
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Cephalopoda | |
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Scaphopoda | |
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Bivalvia | |
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Tellina sp. n. sp. Linnaeus 1758 tellin clam Tellina n. sp. (fine concentrics a - originally entered as "Tellina n. sp."
Tellinimera buboana tellin clam Tellinimeria buboana Stephenson - originally entered as "Tellinimeria buboana"
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Syncyclonema simplicius scallop Syncylonema simplicus (Conrad) - originally entered as "Syncylonema simplicius"
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Nuculana sp., "Nuculana rostrotruncata" = Nuculana rostratruncata
"Nuculana rostrotruncata" = Nuculana rostratruncata Gardner 1916 pointed nut clam Nuculana rostrotruncata (Gardner)
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Gastropoda | |
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"Gyrodes spillmani" = Gyrodes (Sohlella) spillmani, Euspira rectilabrum
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"Turritella (Sohlitella) bilira" = Haustator bilira, Turritella vertebroides, "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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Anthozoa | |
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