Suwanee River (Oligocene of the United States)

Where: Suwanee County, Florida (30.0° N, 83.2° W: paleocoordinates 30.1° N, 76.8° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

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

• formation-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Collected by Mansfield, Ginter, Ponton; reposited in the USNM

• COLLECTORS: W.C. Mansfield, H. Gunter, G.M. Ponton. REPOSITORY: USNM (formerly USGS).

Primary reference: W. B. Clark and M. W. Twitchell. 1915. The Mesozoic and Cenozoic Echinodermata of the United States. United States Geological Survey Bulletin 54:1-341 [L. Villier/J. Millet/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 203468: authorized by Mark Uhen, entered by Mark Uhen on 16.08.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Limited to echinoidea, but molluscs are probably present. NOMENCLATURE: Authoritative publication with species-resolution identifications, but somewhat antiquated nomenclature.
Echinoidea
 Clypeasteroida - Neolaganidae
"Laganum eldridgei n. sp." = Wythella eldridgei
"Laganum eldridgei n. sp." = Wythella eldridgei Clark and Twitchell 1915 sand dollar