Palmetto Mine: Late/Upper Hemphillian, Florida

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Rodentia - Castoridae
Dipoides sp. Jaeger 1835
Webb et al. 2008
Mammalia - Rodentia - Muridae
Muridae indet. Illiger 1811
Webb et al. 2008
Mammalia - Lagomorpha - Leporidae
Nekrolagus progressus (Hibbard 1939)
Webb et al. 2008
Mammalia - Perissodactyla - Rhinocerotidae
Teleoceras hicksi Cook 1927
Webb et al. 2008
Mammalia - Perissodactyla - Tapiridae
Tapirus sp. Brisson 1762
Hulbert 1995
"early Pliocene... Palmetto Fauna"
Tapirus polkensis (Olsen 1960)
Hulbert et al. 2009
Mammalia - Perissodactyla - Equidae
Nannippus minor (Sellards 1916)
    = Nannippus aztecus Mooser 1968
MacFadden and Waldrop 1980
Pseudhipparion simpsoni Webb and Hulbert 1986
Webb and Hulbert 1986
(6 measurements)
Cormohipparion emsliei Hulbert 1988
    = Hippotherium emsliei Hulbert 1988
Hulbert 1988
original and current combination Cormohipparion emsliei
also at North Palmetto Mine
Neohipparion eurystyle (Cope 1893)
Hulbert 1987
also at North Palmetto Mine
Dinohippus mexicanus (Lance 1950)
MacFadden 1986
original and current combination Pliohippus (Pliohippus) mexicanus
Calippus sp. (Matthew and Stirton 1930)
original and current combination Protohippus (Calippus)
Mammalia - Tayassuidae
Mylohyus elmorei (White 1942)
(3 measurements)
Catagonus brachydontus (Dalquest and Mooser 1980)
Wright 1989
recombined as Protherohyus brachydontus
"Palmetto Mine"; "North Palmetto Mine"
Mammalia - Camelidae
Hemiauchenia edensis (Frick 1921)
Webb et al. 2008
Mammalia - Cetacea - Pontoporiidae
Pontoporiidae indet. Gray 1870
Morgan 1994
Mammalia - Cetacea - Delphinidae
Delphinidae indet. Gray 1821
Morgan 1994
Mammalia - Cetacea
Delphinodon cf. mento (Cope 1867)
Morgan 1994
invalid subgroup of Odontoceti
Mammalia - Gelocidae
Floridameryx floridanus Webb 2008
Webb et al. 2008
Mammalia - Antilocapridae
Antilocapra garciae Webb 1973
    = Sphenophalos garciae Webb 1973
Webb 1973
Hexameryx simpsoni White 1941
Webb 1973
"West Palmetto Washer"; "Palmetto Washer"; "Palmetto Mine"
Mammalia - Carnivora - Felidae
Megantereon hesperus (Gazin 1933)
Berta and Galiano 1983
(3 measurements)
Felis rexroadensis Stephens 1959
    = Lynx rexroadensis Stephens 1959
MacFadden and Galiano 1981
original and current combination Felis rexroadensis
Mammalia - Carnivora - Procyonidae
Arctonasua eurybates Baskin 1982
Webb et al. 2008
cf. Nasua sp. Storr 1780
Webb et al. 2008
Mammalia - Carnivora - Mustelidae
Enhydritherium terraenovae n. sp. Berta and Morgan 1985
Berta and Morgan 1985
(5 measurements)
Mammalia - Carnivora - Ursidae
Plionarctos sp. Frick 1926
Hunt 1998
Upper Bone Valley, Palmetto Mine
Mammalia - Carnivora - Canidae
Carpocyon limosus n. sp. Webb 1969
Webb 1969
"Palmetto Washer: Hexameryx locality" (3 measurements)
Borophagus pugnator (Cook 1922)
Wang et al. 1999
Palmetto Mine; Palmetto Washer; "Osteoborus crassapineatus"; "O. dudleyi" of Webb 1969b
Mammalia - Sirenia - Dugongidae
Corystosiren varguezi Domning 1990
Domning 1990
Mammalia - Proboscidea - Gomphotheriidae
Rhynchotherium edense
Webb et al. 2008
Mammalia - Proboscidea - Mammutidae
Mammut matthewi (Osborn 1921)
Webb et al. 2008
Reptilia - Testudines - Emydidae
Chrysemys inflata n. sp. Weaver and Robertson 1967
Weaver and Robertson 1967
recombined as Trachemys inflata
UF 12469 (holotype), a nuchal (Weaver and Robertson 1967, fig. 3)
Reptilia - Testudines
Chelonia sp. (Latreille 1800)
Dodd and Morgan 1992
synonym of Testudines
Reptilia - Pelecaniformes - Ardeidae
Ardea polkensis n. sp. Brodkorb 1955
Becker 1985
"Late Hemphillian"
see common names

Geography
Country:United States State/province:Florida County:Polk
Coordinates: 27.7° North, 82.0° West (view map)
Paleocoordinates:27.9° North, 80.3° West
Basis of coordinate:based on political unit
Geographic resolution:outcrop
Time
Period:Neogene
10 m.y. bin:Cenozoic 6
*Period:Tertiary *Epoch:Miocene
*Local age/stage:Late/Upper Hemphillian
Key time interval:Late/Upper Hemphillian
Age range of interval:10.30000 - 4.90000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Geological group:Hawthorn Formation:Peace River Member:Bone Valley
Stratigraphy comments: Berta and Galliano 1983 collected from coarse phosphatic gravels presumably of Upper Bone Valley Formation, not in situ.
Lithology and environment
Primary lithology:pebbly,phosphatic argillaceous,sandy sandstone
Includes fossils?Y
Environment:marginal marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Disassociated minor elements:some
Collection methods and comments
Collection excludes:some genera
Collection methods:field collection
Reason for describing collection:biostratigraphic analysis
Metadata
Also known as:Palmetto Washer Plant
Database number:18573
Authorizer:J. Alroy, J. Marcot, J. Bloch, E. Vlachos, M. Uhen Enterer:J. Alroy, J. Marcot, N. Pyenson, R. Hulbert, E. Vlachos, M. Uhen
Modifier:M. Carrano Research group:vertebrate
Created:1993-02-18 00:00:00 Last modified:2018-02-05 15:50:35
Access level:the public Released:1993-02-18 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:

3777. D. B. Wright and S. D. Webb. 1984. Primitive Mylohyus (Artiodactyla: Tayassuidae) from the Late Hemphillian Bone Valley of Florida. Journal of Vertebrate Paleontology 3(3):152-159 [J. Alroy/J. Alroy/M. Uhen]

Secondary references:

1051 J. J. Becker. 1985. Fossil herons (Aves: Ardeidae) of the late Miocene and early Pliocene of Florida. Journal of Vertebrate Paleontology 5(1):24-31 [J. Alroy/J. Alroy/J. Alroy]
10645% 28140A. Berta and H. Galiano. 1983. Megantereon hesperus from the late Hemphillian of Florida with remarks on the phylogenetic relationships of machairodonts (Mammalia, Felidae, Machairodontinae). Journal of Paleontology 57(5):892-899 [J. Alroy/J. Alroy/J. Alroy]
1066 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]
739 C. K. Dodd, Jr. and G. S. Morgan. 1992. Fossil sea turtles from the early Pliocene Bone Valley Formation, central Florida. Journal of Herpetology 26(1):1-8 [J. Alroy/M. Sommers/M. Uhen]
16570 D. P. Domning. 1990. Fossil Sirenia of the West Atlantic and Caribbean Region, IV. Corystosiren varguezi, gen. et sp. nov. Journal of Vertebrate Paleontology 10(3):361-371 [M. Uhen/M. Uhen/M. Uhen]
50347 R. C. Hulbert, S. C. Wallace, W. W. Klippel and P. W. Parmalee. 2009. Cranial morphology and systematics of an extraordinary sample of the late Neogene dwarf tapir, Tapirus polkensis (Olsen). Journal of Paleontology 83(2):238-262 [J. Bloch/R. Hulbert]
38505% 23520R. C. Hulbert, Jr. 1987. Late Neogene Neohipparion (Mammalia, Equidae) from the Gulf Coastal Plain of Florida and Texas. Journal of Paleontology 61(4):809-830 [J. Alroy/M. Sommers/J. Alroy]
1950 R. C. Hulbert, Jr. 1988. A new Cormohipparion (Mammalia, Equidae) from the Pliocene (latest Hemphillian and Blancan) of Florida. Journal of Vertebrate Paleontology 7(4):451-468 [J. Alroy/J. Alroy/R. Hulbert]
1954 R. C. Hulbert, Jr. 1995. The giant tapir, Tapirus haysii, from Leisey Shell Pit 1A and other Florida Irvingtonian Localities. Bulletin of the Florida Museum of Natural History 37(16):515-551 [J. Alroy/J. Alroy/M. Uhen]
1976 R. M. Hunt, Jr. 1998. Ursidae. In C. M. Janis, K. M. Scott, and L. L. Jacobs (eds.), Evolution of Tertiary Mammals of North America 1:174-195 [J. Alroy/J. Alroy/M. Uhen]
3851 B. J. MacFadden. 1986. Fossil horses from "Eohippus" (Hyracotherium) to Equus; scaling, Cope's law, and the evolution of body size. Paleobiology 12(4):355-369 [J. Alroy/M. Sommers]
2374 B. J. MacFadden and H. Galiano. 1981. Late Hemphillian Cat (Mammalia, Felidae) from the Bone Valley Formation of Central Florida. Journal of Paleontology 55(1):218-226 [J. Alroy/J. Alroy/M. Uhen]
2379 B. J. MacFadden and J. S. Waldrop. 1980. Nannippus phlegon (Mammalia, Equidae) from the Plio-Pleistocene of Florida. Bulletin of the Florida State Museum, Biological Sciences 25(1):1-37 [J. Alroy/J. Alroy/M. Uhen]
2613 G. S. Morgan. 1994. Miocene and Pliocene marine mammal faunas from the Bone Valley Formation of central Florida. Contributions in Marine Mammal Paleontology Honoring Frank C. Whitmore Jr., Proceedings of the San Diego Society of Natural History 29:239-268 [J. Alroy/J. Alroy/M. Uhen]
3558 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]
64763 W. G. Weaver and J. S. Robertson. 1967. A re-evaluation of fossil turtles of the Chrysemys scripta group. Tulane Studies in Geology and Paleontology 5(2):570-588 [E. Vlachos/E. Vlachos]
3565 S. D. Webb. 1969. The Pliocene Canidae of Florida. Bulletin of the Florida State Museum 14(4):273-308 [J. Alroy/J. Alroy/M. Uhen]
3566 S. D. Webb. 1973. Pliocene Pronghorns of Florida. Journal of Mammalogy 54(1):203-221 [J. Alroy/J. Alroy/M. Uhen]
50333 S. D. Webb, R. C. Hulbert, G. S. Morgan and H.F. Evans. 2008. Terrestrial mammals of the Palmetto Fauna (early Pliocene, latest Hemphillian) from the Central Florida Phosphate District. In X. Wang and L. G. Barnes (eds.), Geology and Vertebrate Paleontology of Western and Southern North America: Contributions in Honor of David P. Whistler (41)293-312 [J. Bloch/R. Hulbert]
6227 S. D. Webb and R. C. Hulbert, Jr. 1986. Systematics and evolution of Pseudhipparion (Mammalia, Equidae) from the late Neogene of the Gulf Coastal Plain and the Great Plains. Contributions to Geology, the University of Wyoming, Special Paper 3:237-272 [J. Alroy/J. Alroy/J. Marcot]
3774 D. B. Wright. 1989. Phylogenetic relationships of Catagonus wagneri: sister taxa from the Tertiary of North America. Advances in Neotropical Mammalogy 281-308 [J. Alroy/J. Alroy/M. Uhen]