Also known as Walkers Ck-4; USGS # 32183
Where: Milam County, Texas (30.9° N, 97.0° W: paleocoordinates 36.3° N, 75.6° W)
• small collection-level geographic resolution
When: Discoscaphites conradi ammonoid zone, uppermost Member (Corsicana Marl Formation), Late/Upper Maastrichtian (70.6 - 66.0 Ma)
• Haustator bilira assemblage zone
• member-level stratigraphic resolution
Environment/lithology: marine; lithified, gray, sandy siltstone
Size class: mesofossils
Preservation: original calcite
Reposited in the USGS
Collection methods: bulk,
• Sohl collection
Primary reference: N. F. Sohl and C. F. Koch. 1984. Upper Cretaceous (Maestrichtian) larger invertebrate Fossils from the Haustator bilira Assemblage Zone in the west gulf Coastal Plain. USGS Open File Report 84-687:1-282 [M. Kosnik/M. Kosnik]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 4447: authorized by Matt Kosnik, entered by Matt Kosnik on 14.08.1999
Creative Commons license: CC BY (attribution)
Taxonomic list
Sedentaria | |
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Cephalopoda | |
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Scaphopoda | |
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Bivalvia | |
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"Amussium ? danei" = Amusium, Camptonectes (Camptonectes) bubonis
"Amussium ? danei" = Amusium scallop Amusium ? danei (Stephenson) - originally entered as "Amusium ? danei"
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Syncyclonema simplicius scallop Syncylonema simplicus (Conrad) - originally entered as "Syncylonema simplicius"
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Gastropoda | |
Fulgerca aff. attenuata Wade 1926 snail Fulgerca aff. A. attenuata (Wade) - originally entered as "Fulgerca aff. attenuata"
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Bryozoa | |
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unclassified | |
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