Shield Wolf Quarry (SWQ) (Cretaceous of the United States)

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

• "a basal sandstone overlying a clayball conglomerate in a sequence of interbedded sandstones and claystones...Most of the specimens were recovered from the conglomerate layer with additional specimens coming from the overlying sandstone."

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
 Lepisosteiformes - Lepisosteidae
Lepisosteus sp. Agassiz 1843 gar
Reptilia
 Theropoda -
 Ornithischia -
Ceratopsia indet. ceratopsian
 Ornithischia - Hadrosauridae
Hadrosaurinae indet. Lambe 1918 hadrosaurine
 Loricata -
Crocodylia indet. crocodilian
 Testudines -
"Chelonia indet." = Testudines
"Chelonia indet." = Testudines Batsch 1788 turtle
Mammalia
  -
Mammalia indet. Linnaeus 1758 mammal
 Theriamorpha - Gypsonictopidae
Gypsonictops sp. Simpson 1927 eutherian
 Theriamorpha - Alphadontidae
Alphadon sp. Simpson 1927 metatherian
 Multituberculata - Cimolomyidae
Meniscoessus robustus Marsh 1889 multituberculate
Gastropoda
  -
Gastropoda indet. Cuvier 1795 snail