Payne Creek Mine (Latest Hemphillian) (Neogene of the United States)

Also known as TRO Quarry

Where: Polk County, Florida (27.9° N, 81.8° W: paleocoordinates 28.1° N, 80.1° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Bone Valley Formation (Hawthorn Group), Hemphillian (10.3 - 4.9 Ma)

• Age and Formation after Boessenecker et al 2019.

•Morgan (1994) lists the age as latest Hemphillian (Zanclean, early Pliocene); upper beds

• member-level stratigraphic resolution

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

Size class: macrofossils

Primary reference: A. Berta and G. S. Morgan. 1985. A new sea otter (Carnivora: Mustelidae) from the late Miocene and early Pliocene (Hemphillian) of North America. Journal of Paleontology 59(4):809-819 [J. Alroy/J. Alroy/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 18577: authorized by John Alroy, entered by John Alroy on 18.10.1995, edited by Catalina Pimiento and Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

Chondrichthyes
 Lamniformes - Otodontidae
"Carcharocles megalodon" = Otodus megalodon8
"Carcharocles megalodon" = Otodus megalodon8 Agassiz 1843 megalodon
Locality information based on reference's supporting information aided with FLMNH online database
Reptilia
 Testudines -
"Chelonia sp." = Testudines4
"Chelonia sp." = Testudines4 Batsch 1788 turtle
Aves
 Pelecaniformes - Ardeidae
Egretta sp.2 Forster 1817 egret
Ardea polkensis2 Brodkorb 1955 heron
Mammalia
 Perissodactyla - Rhinocerotidae
Teleoceras hicksi9 Cook 1927 rhinoceros
 Perissodactyla - Equidae
"Hippotherium emsliei" = Cormohipparion emsliei1 Hulbert 1988 hipparionine horse
Pseudhipparion simpsoni6 Webb and Hulbert 1986 hipparionine horse
TRO Quarry
Nannippus aztecus1 Mooser 1968 hipparionine horse
Neohipparion eurystyle5 Cope 1893 hipparionine horse
Dinohippus mexicanus7 Lance 1950 horse
 Carnivora - Mustelidae
Enhydritherium terraenovae Berta and Morgan 1985 badger
TRO Quarry; new specimen from "vicinity of TRO Quarry" reported by Morgan 1994
 Carnivora - Felidae
Megantereon hesperus3, "Lynx rexroadensis" = Felis rexroadensis1
Megantereon hesperus3 Gazin 1933 cat
TRO Quarry
"Lynx rexroadensis" = Felis rexroadensis1 Stephens 1959 cat
 Ungulata - Tayassuidae
Mylohyus elmorei12, "Catagonus brachydontus" = Protherohyus brachydontus11
Mylohyus elmorei12 White 1942 peccary
"TRO locality"
"Catagonus brachydontus" = Protherohyus brachydontus11 Dalquest and Mooser 1980 peccary
"TRO Quarry"; "Payne Creek Mine"
 Ungulata - Antilocapridae
Hexameryx simpsoni10 White 1941 pronghorn
Payne Creek