Where: Larimer County, Colorado (40.7° N, 105.1° W: paleocoordinates 47.1° N, 74.5° W)
• coordinate stated in text
• small collection-level geographic resolution
When: Baculites reesidei ammonoid zone, Larimer Sandstone Member (Pierre Shale Formation), Late/Upper Campanian (83.5 - 70.6 Ma)
• "latest Campanian or earliest Maastrichtian" based on zonal assignment (actually very late Campanian: see McArthur et al. 2007)
• bed-level stratigraphic resolution
Environment/lithology: marine; lithified siliciclastic sediments
Size class: macrofossils
Collected by G. R. Scott; reposited in the USGS
Primary reference: G. A. Bishop. 1985. A new crab, Eomunidopsis cobbani n. sp. (Crustacea, Decapoda), from the Pierre Shale (Early Maastrichtian) of Colorado. Journal of Paleontology 59(3):601-604 [J. Alroy/J. Alroy/J. Alroy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 90158: authorized by John Alroy, entered by John Alroy on 09.07.2009, edited by Matthew Clapham
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Malacostraca | |
Eomunidopsis cobbani Bishop 1985 decapod | |
Cephalopoda | |
Solenoceras cf. reesidei Stephenson 1941 ammonite | |
Didymoceras aurarium n. sp.
Didymoceras aurarium n. sp. Kennedy et al. 2000 ammonite |