McGehee Farm (Neogene of the United States)

Where: Alachua County, Florida (29.7° N, 82.6° W: paleocoordinates 29.8° N, 80.9° W)

• coordinate based on nearby landmark

When: Alachua Formation, Hemphillian (10.3 - 4.9 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size classes: macrofossils, mesofossils

Primary reference: S. E. Hirschfeld and S. D. Webb. 1968. Plio-Pleistocene Megalonychid Sloths of North America. Bulletin of the Florida State Museum 12(5) [J. Alroy/J. Alroy/J. Ju]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 18560: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by John Hunter, Mark Uhen, Richard Hulbert, Jonathan Marcot, Philip Mannion and Evangelos Vlachos

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Crocodylia - Alligatoridae
Alligator sp.23 Daudin 1809 alligator
UF 289211, 028912
 Crocodylia -
"Gavialosuchus americana" = Thecachampsa sericodon23
"Gavialosuchus americana" = Thecachampsa sericodon23 Cope 1867 crocodilian
UF 041602, 041632, 289279
Aves
 Charadriiformes - Scolopacidae
Ereunetes rayi n. sp.5 Brodkorb 1963 sandpiper
 Charadriiformes - Jacanidae
Jacana farrandi n. sp.13
Jacana farrandi n. sp.13 Olson 1976 shorebird
 Suliformes - Anhingidae
Anhinga grandis4 Martin and Mengel 1975 darter
 Suliformes - Phalacrocoracidae
Phalacrocorax wetmorei5 Brodkorb 1955 cormorant
 Pelecaniformes - Ardeidae
Nycticorax fidens n. sp.3 Brodkorb 1963 night heron
Reptilia
 Testudines - Emydidae
"Chrysemys williamsi n. sp." = Pseudemys williamsi16, "Chrysemys carri n. sp." = Pseudemys carri16
"Chrysemys williamsi n. sp." = Pseudemys williamsi16 Rose and Weaver 1966 cooter
see Rose and Weaver 1966
"Chrysemys carri n. sp." = Pseudemys carri16 Rose and Weaver 1966 cooter
includes "C. carri" type of Rose and Weaver 1966
 Testudines - Testudinidae
"Geochelone alleni n. sp." = Hesperotestudo turgida2
"Geochelone alleni n. sp." = Hesperotestudo turgida2 Cope 1892 turtle
 Testudines - Chelydridae
"Macroclemys auffenbergi n. sp." = Macrochelys auffenbergi6
"Macroclemys auffenbergi n. sp." = Macrochelys auffenbergi6 Dobie 1968 Auffenberg's snapping turtle
Mammalia
  - Mylodontidae
Thinobadistes segnis20 Hay 1919 edentate
 Megatherioidea - Megalonychidae
Pliometanastes protistus n. sp. Hirschfeld and Webb 1968 edentate
 Chiroptera - Vespertilionidae
Vespertilionidae indet.11 Gray 1821 vesper bat
a bat
 Placentalia -
Lagomorpha indet. Brandt 1885 placental
 Rodentia - Mylagaulidae
Mylagaulus kinseyi Webb 1966 rodent
 Perissodactyla - Equidae
Nannippus westoni10 Simpson 1930 hipparionine horse
Pseudhipparion skinneri22 Webb and Hulbert 1986 hipparionine horse
Neohipparion trampasense9 Edwards 1982 hipparionine horse
"Hippotherium ingenuum" = Cormohipparion ingenuum10 Leidy 1885 hipparionine horse
"Hippotherium plicatile" = Cormohipparion plicatile1 Leidy 1887 hipparionine horse
Protohippus gidleyi10 Hulbert 1988 horse
"Dinohippus or Pliohippus"; "pliohippine" of MacFadden 1982, and specimen inexplicably referred to "Pliohippus" by MacFadden and Cerling 1996
Calippus elachistus10 Hulbert 1988 horse
Calippus cf. hondurensis10 Olson and McGrew 1941 horse
 Perissodactyla - Rhinocerotidae
Teleoceras proterum Leidy 1885 rhinoceros
Aphelops mutilus15 Matthew 1924 rhinoceros
 Perissodactyla - Tapiridae
Tapirus webbi n. sp.8
Tapirus webbi n. sp.8 Hulbert 2005 tapir
 Artiodactyla - Protoceratidae
Synthetoceras cf. tricornatus14 Stirton 1932 protoceratid
 Artiodactyla - Gelocidae
Floridameryx floridanus21 Webb 2008 ruminant
 Artiodactyla - Antilocapridae
Antilocapridae indet. Gray 1866 pronghorn
 Artiodactyla - Camelidae
Camelidae indet.1 Gray 1821 camel
Hemiauchenia sp.1 Gervais and Ameghino 1880 camel
 Artiodactyla - Tayassuidae
Tayassuinae indet.1 Palmer 1897 peccary
 Carnivora - Canidae
Borophagus sp.19 Cope 1892 bone-crushing dog
Epicyon saevus18 Leidy 1858 bone-crushing dog
Epicyon haydeni19 Leidy 1858 bone-crushing dog
Eucyon davisi17 Merriam 1911 canine
"McGehee Place Quarry"
 Carnivora - Mustelidae
Sthenictis sp.11 Peterson 1910 mustelid carnivore
 Carnivora - Felidae
Felidae indet. Gray 1821 cat
 Theriamorpha - Talpidae
Talpidae indet. Fischer de Waldheim 1817 mole
 Proboscidea - Gomphotheriidae
Amebelodon sp.12 Barbour 1927 gomphothere
may include "Gomphotherium sp." of Tobien 1972 and probably does include "Serridentinus floridanus"
 Sirenia - Dugongidae