Red Bluffs, Abajo Mountains (Triassic of the United States)

Also known as SE Mt. Linnaeus

Where: San Juan County, Utah (37.8° N, 109.5° W: paleocoordinates 16.5° N, 48.8° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Owl Rock Member (Chinle Formation), Rhaetian (208.5 - 201.3 Ma)

• Loose block recovered as float.

• bed-level stratigraphic resolution

Environment/lithology: "floodplain"; fine-grained, red mudstone

• "fluvial floodplain with sinuous streams and small ephemeral lakes and ponds"
• "fine-grained dark red mudstone or siltstone"

Size class: macrofossils

Collection methods: surface (float),

Primary reference: N. C. Fraser, R. B. Irmis, and D. K. Elliot. 2005. A procolophonid (Parareptilia) from the Owl Rock Member, Chinle Formation of Utah, USA. Palaeontologia Electronica 8(1):13A [R. Butler/R. Butler]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 93495: authorized by Richard Butler, entered by Richard Butler on 20.01.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Procolophonia - Procolophonidae
Leptopleuroninae indet. Ivakhnenko 1979 parareptile
MNA V9953, partial skull