Where: Lawrence County, South Dakota (44.5° N, 103.6° W: paleocoordinates 41.6° N, 51.8° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Chilson Member (Lakota Formation), Valanginian (139.8 - 132.9 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected by D. Rossow; reposited in the SDSM

Collection methods: surface (in situ), mechanical,

• Collected by Dale Rossow while "hunting rattlesnakes on a hogback formed by the Lakota Formation near Sturgis." Presented to Drs. John Willard and Morton Green, then to P. R. Bjork.

Primary reference: P. R. Bjork. 1985. A new iguanodontid dinosaur from the Lakota Formation of the northern Black Hills of South Dakota. In A. E. Leviton, M. L. Aldrich, & H. Chambers (eds.), Proceedings of the Pacific Division, American Association for the Advancement of Science. Program with Abstracts of the 66th Annual Meeting 4(1):22 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 49375: authorized by Matthew Carrano, entered by Matthew Carrano on 14.04.2005

Creative Commons license: CC BY (attribution)