Archer (Oligocene of the United States)

Where: Florida (29.5° N, 82.5° W)

• Paleocoordinates: 32.4° N, 69.7° W (Wright 2013)

When: Early/Lower Oligocene (33.9 - 28.4 Ma)

Environment/lithology: marine; lithology not reported

Size class: macrofossils

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 203469: authorized by Mark Uhen, entered by Mark Uhen on 16.08.2019

Creative Commons license: CC0 (CC0)

Taxonomic list

Echinoidea
 Clypeasteroida - Neolaganidae
"Laganum archerensis n. sp." = Neolaganum archerensis, "Laganum dalli n. sp." = Weisbordella dalli
"Laganum archerensis n. sp." = Neolaganum archerensis Clark and Twitchell 1915 sand dollar
"Laganum dalli n. sp." = Weisbordella dalli Clark and Twitchell 1915 sand dollar