Where: Fremont County, Wyoming (42.0° N, 108.0° W: paleocoordinates 36.5° N, 52.1° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Sundance Formation, Oxfordian (163.5 - 157.3 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified, nodular, calcareous lithology not reported

Size class: macrofossils

Collected by S. Gray in 1926

Collection methods: quarrying,

• Shapleigh Gray and other University of Missouri geology students

Primary reference: M. G. Mehl. 1928. Apatodonosaurus, a new genus of ichthyosaurs from the Jurassic of Wyoming. Denison University Scientific Laboratories Journal 23(2):111-126 [M. Carrano/H. Street]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 100139: authorized by Matthew Carrano, entered by Hallie Street on 30.11.2010

Creative Commons license: CC BY (attribution)