MGS 138 (Oligocene of the United States)

Where: Warren County, Mississippi (32.4° N, 90.6° W: paleocoordinates 32.8° N, 84.1° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Vicksburg Group, Rupelian (33.9 - 28.1 Ma)

• formation-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: mesofossils

Primary reference: D. T. Dockery. 1980. Invertebrate Macropaleontolgy of the Clarke County Mississippi Area. Bulletin - Mississippi Geological, Economic and Topographic Survey 122 [M. Kosnik/M. Kosnik/L. Eccles]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 101196: authorized by Jocelyn Sessa, entered by Laurie Eccles on 18.12.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Echinoidea
 Spatangoida - Schizasteridae
"Schizaster (Paraster) americanus" = Schizaster americana
"Schizaster (Paraster) americanus" = Schizaster americana Clark and Twitchell 1915 heart urchin