Where: Niobrara County, Wyoming (43.2° N, 104.6° W: paleocoordinates 49.7° N, 79.4° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: Lance Formation, Late/Upper Maastrichtian (70.6 - 66.0 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: terrestrial; lithology not reported
Size classes: macrofossils, mesofossils
Reposited in the UCMP
Collection methods: surface (float),
Primary reference: P. A. Holroyd and J. H. Hutchison. 2002. Patterns of geographic variation in latest Cretaceous vertebrates: evidence from the turtle component. Geological Society of America Special Paper 361:177-190 [R. Benson/R. Benson]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 137798: authorized by Roger Benson, entered by Roger Benson on 19.12.2012, edited by Matthew Carrano and Patricia Holroyd
Creative Commons license: CC BY (attribution)
Taxonomic list
Reptilia | |
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Trionychidae indet., "Aspiderites sp." = Aspideretes
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"Clemmys backmani" = Osteopygis backmani
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Richardoestesia cf. isosceles2 Sankey 2001 maniraptoran UCMP 214012-3, 214016, 214020-3, 214039, 214043
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