Where: Russell County, Kansas (39.0° N, 98.9° W: paleocoordinates 37.6° N, 61.5° W)
• coordinate based on political unit
• small collection-level geographic resolution
When: Lincoln Limestone Member (Greenhorn Limestone Formation), Middle Cenomanian (99.6 - 93.5 Ma)
• Argon/argon sample taken from bed 1 metre below fossil horizon.
•"The plesiosaur paddle (FHSM VP-13997) was lying at the unconformable contact between the third (uppermost Graneros Shale) and the fourth (lowermost Lincoln Limestone) units described here." Remainder of remains in lowermost Lincoln Limestone
• group of beds-level stratigraphic resolution
Environment/lithology: marginal marine; sandstone
Size classes: macrofossils, mesofossils
Collected by M. Everhart; reposited in the USNM
Collection methods: bulk, quarrying, surface (in situ), mechanical, sieve,
• FHSM: Sternberg Museum of Natural History
Primary reference: G. A. Liggett, K. Shimada, S. C. Bennett and B. A. Schumacher. 2005. Cenomanian (Late Cretaceous) reptiles from northwestern Russell County, Kansas. PaleoBios 25:9-17 [R. Butler/R. Butler]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 94538: authorized by Richard Butler, entered by Richard Butler on 25.02.2010, edited by Philip Mannion and Matthew Carrano
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Vertebrata indet. Lamarck 1801 | |
Reptilia | |
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cf. Brachauchenius lucasi1 Williston 1903 plesiosaur FHSM VP-13997, paddle. FHSM VP-14782, two teeth
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Aves | |
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Baptornithidae indet.2 American Ornithologists' Union 1910 bird FHSM VP-6318 (proximal and distal portions of the right tarsometatarsus)
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Actinopteri | |
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Enchodus sp. Agassiz 1835 | |
Pachyrhizodus minimus Stewart 1899 | |
? Xiphactinus audax Leidy 1870 | |
Chondrichthyes | |
Elasmobranchii indet. elasmobranch | |
Ptychodus decurrens Agassiz 1838 elasmobranch
Ptychodus occidentalis Leidy 1868 elasmobranch
Ptychodus cf. anonymus Williston 1900 elasmobranch | |
Rhinobatos sp. Link 1790 guitarfish | |
Lamniformes indet. Berg 1958 mackerel shark | |
Cretoxyrhina mantelli Agassiz 1835 mackerel shark | |
"Carcharias amonensis" = Haimirichia amonensis
"Carcharias amonensis" = Haimirichia amonensis Cappetta and Case 1975 mackerel shark | |
"Carcharias tenuiplicatus" = Eostriatolamia tenuiplicatus, "Carcharias saskatchewanensis" = Microcarcharias saskatchewanensis
"Carcharias tenuiplicatus" = Eostriatolamia tenuiplicatus Cappetta and Case 1975 sand tiger shark
"Carcharias saskatchewanensis" = Microcarcharias saskatchewanensis Case et al. 1990 sand tiger shark | |
Squalicorax falcatus Agassiz 1843 crow shark
Squalicorax curvatus Williston 1900 crow shark
"Squalicorax volgensis" = Palaeoanacorax volgensis Glickman 1971 crow shark | |
"Cretolamna appendiculata" = Cretalamna appendiculata
"Cretolamna appendiculata" = Cretalamna appendiculata Agassiz 1835 mackerel shark |