Tom's Place Quarry, FPA (Jurassic to of the United States)

Also known as Fruita, LACM #5573, CO-33

Where: Mesa County, Colorado (39.2° N, 108.8° W: paleocoordinates 35.2° N, 55.4° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Brushy Basin Member (Morrison Formation), Kimmeridgian to Kimmeridgian (157.3 - 145.0 Ma)

• above the local "clay change" in the lower part of the member

• bed-level stratigraphic resolution

Environment/lithology: pond; nodular claystone

• overbank/floodplain - thick alkaline pond deposit on floodplain
• "fine smectitic mud with large barite nodules"

Size classes: macrofossils, mesofossils, microfossils

Collected by G. Callison & party in the 1980s

Collection methods: quarrying, mechanical,

Primary reference: J. R. Foster. 2003. Paleoecological analysis of the vertebrate fauna of the Morrison Formation (Upper Jurassic), Rocky Mountain region, U.S.A. New Mexico Museum of Natural History and Science Bulletin 23:1-95 [M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 58811: authorized by Matthew Carrano, entered by Matthew Carrano on 24.02.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

Insecta
 Dicondylia -
Trichoptera indet. Kirby 1815 caddisfly
caddisfly cases
Malacostraca
 Decapoda - Cambaridae
cf. Cambaridae indet. Hobbs 1942 decapod
crayfish fragments
Gnathostomata
  -
Actinopterygii indet. ray-finned fish
Reptilia
 Saurischia - Diplodocidae
 Theropoda -
 Loricata - Goniopholididae
Goniopholis sp. Owen 1842 crocodilian
 Squamata -
Anguimorpha indet. F├╝rbringer 1900 lizard
Parviraptor sp. Evans 1994 lizard
 Squamata - Paramacellodidae
Saurillodon sp. Estes 1983 lizard
Paramacellodus sp. Hoffstetter 1967 lizard
 Rhynchocephalia -
Sphenodontia indet. rhynchocephalian
Opisthias sp. Gilmore 1909 rhynchocephalian
Mammalia
 Triconodonta -
Triconodonta indet. Osborn 1888 triconodont