Cummer Lumber Company Phosphate Mine (Neogene of the United States)

Where: Gilchrist County, Florida (29.7° N, 82.6° W: paleocoordinates 29.9° N, 80.9° W)

• coordinate based on political unit

When: Hemphillian (10.3 - 4.9 Ma)

• Hulbert, Jr. 1987 (thesis): "Stratigraphic occurence and age of the type locality . uncertain, but here interpreted to probably be early Hemphillian. Previously thought to be significantly older, i.e. equivalent to the Quincy and Midway local faunas, or late Hemingfordian."

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Reposited in the FLMNH

Primary reference: G. G. Simpson. 1930. Tertiary Land Mammals of Florida. Bulletin of the American Museum of Natural History 59(3):1-64 [J. Alroy/J. Alroy/J. Marcot]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 18525: authorized by John Alroy, entered by John Alroy on 15.05.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

• "as far as can be determined, no other vertebrate specimens were ever recovered from the type locality of M. westoni" (Hulbert 1993:358
county is given as Alachua by Simpson, Gilchrist by Hulbert
Mammalia
 Perissodactyla - Equidae
"Merychippus westoni n. sp." = Nannippus westoni
"Merychippus westoni n. sp." = Nannippus westoni Simpson 1930 hipparionine horse