Also known as Amalgamated Phosphate Mine; Brewster Phosphate Mine

Where: Polk County, Florida (27.9° N, 81.8° W)

• Paleocoordinates: 29.3° N, 78.4° W (Wright 2013)

• coordinate based on political unit

When: Bone Valley Member (Peace River Formation), Tortonian (11.6 - 7.2 Ma)

• Clarendonian; lower beds

•Previously Barstovian, but Missimer (1999) suggested that the Peace River Formation in Florida was likely deposited between 11-4.3Ma. The lower sequence is Tortonian, deposited between 11-8.5Ma, and the upper sequence is Zanclean and deposited between 5.2-4.3Ma

Environment/lithology: marginal marine; pebbly, phosphatic, argillaceous, sandy sandstone

Size class: macrofossils

Primary reference: G. S. Morgan. 1986. The so-called giant Miocene dolphin Megalodelphis magnidens Kellogg (Mammalia: Cetacea) is actually a crocodile (Reptilia: Crocodilia). Journal of Paleontology 60(2):411-417 [J. Alroy/J. Alroy/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 18505: authorized by John Alroy, entered by John Alroy on 26.07.1994, edited by Nick Pyenson

Creative Commons license: CC0 (CC0)