2 miles north of Judson (Paleocene of the United States)

Also known as Simoedosaurus

Where: Morton County, North Dakota (46.8° N, 101.3° W: paleocoordinates 51.3° N, 79.5° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Slope Formation, Tiffanian (61.7 - 56.8 Ma)

• "near top of Slope Formation... just below 'B' coal bed"

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

• none given

Size class: macrofossils

Primary reference: B. R. Erickson. 1987. Simoedosaurus dakotensis, new species, a diapsid reptile (Archosauromorpha; Choristodera) from the Paleocene of North America. Journal of Vertebrate Paleontology 7(3):237-251 [J. Alroy/J. Alroy/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 27624: authorized by John Alroy, entered by John Alroy on 15.12.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Reptilia
 Choristodera - Simoedosauridae
"Simoedosaurus dakotensis n. sp." = Kosmodraco dakotensis
"Simoedosaurus dakotensis n. sp." = Kosmodraco dakotensis Erickson 1987 choristodere