Where: Jackson County, Florida (30.8° N, 85.2° W: paleocoordinates 30.9° N, 78.8° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Marianna Limestone Formation, Rupelian (33.9 - 28.1 Ma)
• LITHOSTRATIGRAPHY: From the Marianna Limestone, for which lithostratigraphic relations are not discussed. AGE: Late Oligocene in text. STRATIGRAPHIC POSITION: From unknown position in local section.
• bed-level stratigraphic resolution
Environment/lithology: poorly lithified, black, gray, yellow limestone
Size class: macrofossils
Collected by Mansfield, MacNeil; reposited in the USNM
Collection methods: surface (float), surface (in situ),
• COLLECTOR: W.C. Mansfield, F.S MacNeil. REPOSITORY: USNM.
Primary reference: C. W. Cooke. 1959. Cenozoic echinoids of eastern United States. United States Geological Survey Professional Papers 321:1-106 [L. Villier/L. Villier/M. Hopkins]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 155952: authorized by Austin Hendy, entered by Austin Hendy on 04.05.2014
Creative Commons license: CC BY (attribution)
Taxonomic list
Echinoidea | |
Clypeaster rogersi Morton 1834 sand dollar |