Holder (Miocene of the United States)

Where: Citrus County, Florida (29.0° N, 82.4° W: paleocoordinates 29.1° N, 80.8° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Alachua Formation, Late/Upper Miocene (11.6 - 5.3 Ma)

• "Pliocene (or possibly Miocene)" (meaning late Miocene and possibly middle Miocene)

Environment/lithology: terrestrial; phosphorite

• "from a hard-rock phosphate mine"

Size class: macrofossils

Reposited in the USNM

• originally "in the collection of Dr. Henry G. Bystra of Brooksville, Florida"

Primary reference: W. Auffenberg. 1963. Fossil testudinine turtles of Florida: genera. Geochelone and Floridemys. Bulletin of the Florida State Museum, Biological Sciences 7(2):53-97 [J. Alroy/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 99792: authorized by John Alroy, entered by John Alroy on 21.11.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

• specimen originally described by Hay 1916
Reptilia
 Testudines - Testudinidae
"Bystra nana n. gen. n. sp." = Floridemys nana
"Bystra nana n. gen. n. sp." = Floridemys nana Hay 1916 turtle