Four Aces Mine Locality (Triassic of the United States)

Where: San Juan County, Utah (37.8° N, 110.3° W: paleocoordinates 13.5° N, 48.2° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Petrified Forest Member (Chinle Formation), Norian (228.0 - 208.5 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; limestone

Size classes: macrofossils, mesofossils

Reposited in the UCM

Collection methods: surface (float), surface (in situ),

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 49582: authorized by Matthew Carrano, entered by Matthew Carrano on 20.04.2005, edited by Bryan Gee and Richard Butler

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Diapsida -
Archosauriformes indet.2 Gauthier 1986 archosauromorph
UCM 76197, 76198, ungual phalanges, caudal vertebrae
Archosauriformes indet.1 Gauthier 1986 archosauromorph
UCM 76501, partial mandible
 Phytosauria -
Phytosauria indet. Jaeger 1828 archosaur
UCM 76199, partial vertebral column
Osteichthyes
 Dipnoi -
Dipnoi indet. lungfish
UCM 76502, teeth