Mixson's Bone Bed: Hemphillian, Florida

List of taxa
Where & when
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia - Testudines - Emydidae
Chrysemys caelata n. sp. (Hay 1908)
Jackson 1976
nomen dubium belonging to Emydidae
Pseudemys caelata type of Hay 1908 from "Mason's bone bed"
Deirochelys sp. Agassiz 1857
Jackson 1976
part of Hay's P. caelata series
Mammalia - Perissodactyla - Rhinocerotidae
Teleoceras proterum (Leidy 1885)
see Prothero and Manning 1987
Aphelops longipes (Leidy 1890)
    = Aphelops malacorhinus Cope 1878
Alroy 2002
Mammalia - Perissodactyla - Tapiridae
Tapirus webbi Hulbert 2005
Hulbert 2005
Mammalia - Perissodactyla - Equidae
Hipparion plicatile n. sp. (Leidy 1887)
    = Hippotherium plicatile Leidy 1887
Alroy 2002
recombined as Cormohipparion plicatile
see Hulbert 1988c
Hipparion ingenuum n. sp. (Leidy 1885)
    = Hippotherium ingenuum Leidy 1885
Alroy 2002
recombined as Cormohipparion ingenuum
see Hulbert 1988c
Hipparion minor Sellards 1916
    = Nannippus westoni Simpson 1930
Hulbert 1988
Protohippus gidleyi Hulbert 1988
Hulbert 1988
Calippus hondurensis (Olson and McGrew 1941)
Hulbert 1988
Mammalia - Carnivora - Canidae
Osteoborus validus Stirton and Vanderhoof 1933
    = Epicyon haydeni Leidy 1858
Webb 1969
confirmed by Wang et al. 1999
Osteoborus galushai n. sp. Webb 1969
    = Borophagus pugnator Cook 1922
Webb 1969
Mammalia - Mylodontidae
Thinobadistes segnis n. sp. Hay 1919
Webb 1989
Mammalia - Proboscidea - Gomphotheriidae
Amebelodon sp. Barbour 1927
Tobien 1972
may include "Serridentinus floridanus" and "S. leidii"
Mammalia - Ungulata - Camelidae
Procamelus minor n. sp. (Leidy 1886)
    = Camelidae indet. Gray 1821
Alroy 2002
"generic assignment... quite unknown"
? Megatylopus major n. sp. (Leidy 1886)
    = Aepycamelus major Leidy 1886
Alroy 2002
Procamelus minimus n. sp. (Leidy 1886)
    = Hemiauchenia minima Leidy 1886
Alroy 2002
Mammalia - Ungulata - Palaeomerycidae
Pediomeryx cf. hamiltoni Webb 1983
Webb 1983
recombined as Yumaceras hamiltoni
(2 measurements)
see common names

Country:United States State/province:Florida County:Levy
Coordinates: 29.4° North, 82.6° West (view map)
Paleocoordinates:29.6° North, 80.9° West
Basis of coordinate:based on political unit
10 m.y. bin:Cenozoic 6
*Period:Tertiary *Epoch:Miocene
Key time interval:Hemphillian
Age range of interval:10.30000 - 4.90000 m.y. ago
* legacy (obsolete) database fields
Stratigraphic resolution:bed
Lithology and environment
Primary lithology: not reported
Environment:terrestrial indet.
Modes of preservation:body
Collection methods and comments
Reason for describing collection:general faunal/floral analysis
Database number:18563
Authorizer:J. Alroy, J. Bloch Enterer:J. Alroy, R. Hulbert
Modifier:J. Alroy Research group:vertebrate
Created:2002-05-15 00:00:00 Last modified:2008-04-16 13:20:37
Access level:the public Released:2002-05-15 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:

3132. 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]

Secondary references:

6294 J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Uhen]
50346 R. C. Hulbert. 2005. Late Miocene Tapirus (Mammalia, Perissodactyla) from Florida, with description of a new species, Tapirus webbi. Bulletin of the Florida Museum of Natural History 45(4):465-494 [J. Bloch/R. Hulbert]
1951 R. C. Hulbert, Jr. 1988. Cormohipparion and Hipparion (Mammalia, Perissodactyla, Equidae) from the Late Neogene of Florida. Bulletin of the Florida State Museum, Biological Sciences 33(5):229-338 [J. Alroy/J. Alroy/M. Uhen]
27016 D. R. Jackson. 1976. The status of the Pliocene turtles Pseudemys caelata Hay and Chrysemys carri Rose and Weaver. Copeia 1976(4):655-659 [J. Alroy/J. Alroy/J. Alroy]
3432 H. Tobien. 1972. Status of the Genus Serridentinus Osborn 1923 (Proboscidea, Mammalia) and related forms. Mainzer Geowissenschaftliche Mitteilungen 1:143-191 [J. Alroy/J. Alroy]
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]
3571 S. D. Webb. 1983. A New Species of Pediomeryx from the Late Miocene of Florida, and Its Relationships within the Subfamily Cranioceratinae (Ruminantia: Dromomerycidae). Journal of Mammalogy 64(2) [J. Alroy/J. Alroy/J. Ju]
3572 S. D. Webb. 1989. Osteology and relationships of Thinobadistes segnis, the first mylodont sloth in North America. In K. H. Redford, J. F. Eisenberg (eds.), Advances in Neotropical Mammalogy 469-532 [J. Alroy/J. Alroy/M. Uhen]