Blue Lizard Mine (Triassic of the United States)

Where: San Juan County, Utah (37.6° N, 110.3° W: paleocoordinates 13.2° N, 48.2° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Monitor Butte Member (Chinle Formation), Norian (228.0 - 208.5 Ma)

• Five meters above the contact with the Shinarump Conglomerate

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lenticular limestone and brown mudstone

• "The small bones were weathering out of several limestone lenses within a tan to brown mudstone."

Size class: macrofossils

Collected by Parrish, Good, Dubiel in 1983-1988

• UCM: University of Colorado Museum

Primary reference: J. M. Parrish. 1999. Small fossil vertebrates from the Chinle Formation (Upper Triassic) of southern Utah. In D. D. Gillette (ed.), Vertebrate Paleontology in Utah, Utah Geological Survey Miscellaneous Publication 99-1:44-50 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 92808: authorized by Richard Butler, entered by Richard Butler on 30.11.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

 Eosuchia - Doswelliidae
Vancleavea campi2 Long and Murry 1995 archosauromorph
UCM 76193 partim, proximal humerus
Doswellia sp.1 Weems 1980 archosauromorph
UCM 76194, three osteoderms
 Loricata -
Crocodylomorpha indet. crocodilian
UCM 76191-76195, vertebrae, paramedian and lateral armor plates, partial humeri, femur and fibula