Park County Simoedosaurus (Paleocene of the United States)

Also known as 0.4 km northeast of Big Sand Coulee

Where: Park County, Wyoming (44.9° N, 109.0° W: paleocoordinates 50.8° N, 88.5° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Fort Union Formation, Tiffanian (61.7 - 56.8 Ma)

• "Polecat Bench Formation" (Brownstein 2022)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected by Princeton University Wyoming expedition in 1968; reposited in the YPM

Primary reference: D. Sigogneau-Russell and D. Baird. 1978. Presence du genre Simoedosaurus (Reptilia, Choristodera) en Amerique du Nord. GĂ©obios 11(2):251-255 [R. Benson/R. Benson]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 118025: authorized by Roger Benson, entered by Roger Benson on 03.10.2011, edited by Philip Mannion

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Choristodera - Simoedosauridae
Kosmodraco magnicornis n. sp. Brownstein 2022 choristodere
PU 19168 (skull and scapula)