Also known as UCMP locality V84268
Where: Saint Francis County, Arkansas (35.0° N, 90.7° W: paleocoordinates 35.6° N, 82.6° W)
• coordinate stated in text
• outcrop-level geographic resolution
When: Jackson Group, Priabonian (38.0 - 33.9 Ma)
• "broad correlation between the Crow Creek fauna and Uintan to Chadronian faunas in the continental interior", apparently from a bed < 1 m thick
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•AEO estimate of 44.5 - 44.4 Ma (Lutetian) significantly conflicts with marine mammal biochronology
•Priabonian age after Weems et al 2004 (ref. 18945).
• group of beds-level stratigraphic resolution
Environment/lithology: estuary or bay; shelly/skeletal, gray, argillaceous, silty marl
Size classes: macrofossils, mesofossils
Collection methods: bulk, sieve,
Primary reference: K.V.W. Palmer. 1939. Basilosaurus in Arkansas. Bulletin of the American Association of Petroleum Geologists 23(8):1128-1129 [M. Uhen/M. Uhen/M. Uhen]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 16549: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Mark Uhen and Patricia Holroyd
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
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Bivalvia | |
"Venericardia planicosta" = Venericor planicosta6
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Chondrichthyes | |
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"Ginglymostoma serra" = Nebrius serra6
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Reptilia | |
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Anosteira crowcreekensis n. sp.2
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Mammalia | |
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Basilosaurus cetoides Owen 1839 whale | |
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Actinopteri | |
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Trichiurus sp.4 Linnaeus 1758 |