Gardinier Mine (Pliocene of the United States)

Also known as Whidden Creek

Where: Polk County, Florida (27.9° N, 81.8° W: paleocoordinates 28.0° N, 81.0° W)

• coordinate based on political unit

When: Bone Valley Member (Peace River Formation), Zanclean (5.3 - 3.6 Ma)

• latest Hemphillian; upper beds

•By contrast, the Palmetto Fauna has been correlated with the latest Hemphillian (5.8–4.9 Ma [54]), and likely the earliest Pliocene (starting at 5.3 Ma) based on sea-level data [60]. (Marx & Fordyce, 2015)

• formation-level stratigraphic resolution

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

Size class: macrofossils

Primary reference: X. Wang, R. H. Tedford, and B. E. Taylor. 1999. Phylogenetic systematics of the Borophaginae (Carnivora: Canidae). Bulletin of the American Museum of Natural History 243:1-392 [J. Alroy/J. Alroy/J. Alroy]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 18535: authorized by John Alroy, entered by John Alroy on 27.09.1993, edited by Nick Pyenson, Mark Uhen and Richard Hulbert

Creative Commons license: CC BY (attribution)

Taxonomic list

• probably includes some records from Rick's Pump Site

•Palmetto Fauna

 Testudines - Cheloniidae
Eretmochelys sp.4 Fitzinger 1843 sea turtle
Caretta sp.4 Rafinesque 1814 loggerhead
 Testudines -
"Chelonia sp." = Testudines4
"Chelonia sp." = Testudines4 Batsch 1788 turtle
 Testudines - Panchelydridae
Macrochelys sp.9 Gray 1856 alligator snapping turtle
 Pelecaniformes - Pelecanidae
Pelecanus schreiberi8 Olson 1999 pelican
 Rodentia - Sciuridae
Miopetaurista webbi12 Robertson 1976 squirrel
 Lagomorpha - Leporidae
Hypolagus ringoldensis12 Gustafson 1978 rabbit
 Perissodactyla - Tapiridae
Tapirus polkensis5 Olsen 1960 tapir
 Perissodactyla - Equidae
"Hippotherium emsliei" = Cormohipparion emsliei1, Nannippus westoni1
"Hippotherium emsliei" = Cormohipparion emsliei1 Hulbert 1988 hipparionine horse
Nannippus westoni1 Simpson 1930 hipparionine horse
 Carnivora - Odobenidae
"Trichecodon huxleyi" = Ontocetus emmonsi7
"Trichecodon huxleyi" = Ontocetus emmonsi7 Leidy 1859 walrus
 Carnivora - Phocidae
Monachinae indet.2 Trouessart 1897 seal
Callophoca obscura7 Van Beneden 1876 seal
Homiphoca capensis6 Hendey and Repenning 1972 seal
Phocanella pumila7 Van Beneden 1876 seal
 Carnivora - Mustelidae
Enhydritherium terraenovae3 Berta and Morgan 1985 otter
 Carnivora - Canidae
Borophagus hilli Johnston 1939 bone-crushing dog
also at Whidden Creek
 Carnivora - Felidae
Rhizosmilodon fiteae n. gen. n. sp.10, "Machairodus cf. coloradensis" = Amphimachairodus coloradensis12, "Lynx rexroadensis" = Felis rexroadensis12
Rhizosmilodon fiteae n. gen. n. sp.10 Wallace and Hulbert 2013 cat
"Machairodus cf. coloradensis" = Amphimachairodus coloradensis12 Cook 1922 cat
"Lynx rexroadensis" = Felis rexroadensis12 Stephens 1959 cat
 Proboscidea - Gomphotheriidae
Rhynchotherium edense12 gomphothere
 Ungulata - Gelocidae
Floridameryx floridanus11 Webb 2008 ruminant
 Cetacea -
"Balaenoptera floridana" = Balaena cortesii7, Hadrodelphis sp.7
"Balaenoptera floridana" = Balaena cortesii7 Fischer 1829 whale
Hadrodelphis sp.7 Kellogg 1966 toothed whale
 Cetacea - Iniidae
Goniodelphis hudsoni7 Allen 1941 toothed whale