Big Al Quarry (MOR M-106) (Jurassic of the United States)

Also known as WY-61, BAQ

Where: Big Horn County, Wyoming (44.5° N, 107.8° W: paleocoordinates 39.7° N, 52.3° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Morrison Formation, Kimmeridgian (157.3 - 152.1 Ma)

• middle of formation

• bed-level stratigraphic resolution

Environment/lithology: "channel"; sandstone and mudstone

Size class: macrofossils

Preservation: trace

Collected by Siber in 1991-1993

Collection methods: quarrying, mechanical,

Primary reference: R. R. Laws. 1993. A specimen of Allosaurus fragilis from Big Horn County, Wyoming exhibiting several pathologies. Journal of Vertebrate Paleontology 13(3, suppl.):46A [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 46468: authorized by Matthew Carrano, entered by Matthew Carrano on 13.01.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Pterosauria -
 Saurischia - Diplodocidae
Diplodocus sp.3 Marsh 1878 diplodocine
 Theropoda -
Allosaurus jimmadseni1 Chure et al. 2006 allosauroid
MOR 693
 Ornithischia - Stegosauridae
Stegosaurus sp.3 Marsh 1877 ornithischian
 Ornithischia -
Camptosaurus sp.2 Marsh 1885 ornithopod
Insecta
 Coleoptera - Dermestidae
Dermestidae indet.4 Latreille 1804 skin beetle