Where: Logan County, Kansas (38.9° N, 101.2° W: paleocoordinates 43.4° N, 68.4° W)

• coordinate based on nearby landmark

When: Niobrara Formation (Colorado Group), Turonian to Turonian (94.3 - 70.6 Ma)

• from shale member which lies below the reddish chalk

• group of beds-level stratigraphic resolution

Environment/lithology: red chalk and blue, calcareous shale

Size class: macrofossils

Collected by Mr M. C. Bonner, Leoti, Kansas in <1957

Collection methods: surface (in situ), mechanical,

Primary reference: G. F. Sternberg and M. V. Walker. 1957. Report on a plesiosaur skeleton from western Kansas. Transactions of the Kansas Academy of Science 60:86-87 [J. Alroy/E. Leckey/E. Leckey] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 31690: authorized by John Alroy, entered by Erin Leckey on 22.05.2003, edited by Roger Benson

Creative Commons license: CC BY (attribution)