Also known as Little Cottonwood Draw
Where: Carbon County, Montana (45.0° N, 108.8° W: paleocoordinates 52.2° N, 83.3° W)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Lance Formation, Late/Upper Maastrichtian (70.6 - 66.0 Ma)
• uppermost part of formation
• bed-level stratigraphic resolution
Environment/lithology: terrestrial; sandstone and argillaceous conglomerate
Size classes: macrofossils, mesofossils
Primary reference: J. Pappas, R. Moses, and B. O'Grady. 2005. Taxonomic diversity of a Maastrichtian age microfaunal locality in the Little Cottonwood Draw, Carbon County, Montana. Journal of Vertebrate Paleontology 25(3, suppl.):98A [M. Carrano/M. Carrano]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 55326: authorized by Matthew Carrano, entered by Matthew Carrano on 10.10.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
Actinopteri | |
Lepisosteus sp. Agassiz 1843 gar | |
Reptilia | |
Theropoda indet. theropod | |
Ceratopsia indet. ceratopsian | |
Hadrosaurinae indet. Lambe 1918 hadrosaurine | |
Crocodylia indet. crocodilian | |
"Chelonia indet." = Testudines
"Chelonia indet." = Testudines Batsch 1788 turtle | |
Mammalia | |
Mammalia indet. Linnaeus 1758 mammal | |
Gypsonictops sp. Simpson 1927 eutherian | |
Alphadon sp. Simpson 1927 metatherian | |
Meniscoessus robustus Marsh 1889 multituberculate | |
Gastropoda | |
Gastropoda indet. Cuvier 1795 snail |