Coleman IIA (Pleistocene of the United States)

Where: Sumter County, Florida (28.8° N, 82.1° W: paleocoordinates 28.8° N, 81.9° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Irvingtonian (1.8 - 0.3 Ma)

• said to be late Irvingtonian

•material is from alternating clay and sand beds in "8 to 10 feet of sediments"

• group of beds-level stratigraphic resolution

Environment/lithology: sinkhole; brown claystone and gray, conglomeratic sandstone

• "filled sinkhole... 30 yards long by 25 yards wide"
• "a wet orange-brown clay and a coarse gray-white sand... sand facies were filled with pebble- to boulder-sized limestone rubble"

Size classes: macrofossils, mesofossils

Collection methods: salvage, quarrying,

• sediments "completely destroyed by mining operations in 1966"

Primary reference: R. A. Martin. 1974. Fossil mammals from the Coleman IIA fauna, Sumter County. In S. D. Webb (ed.), Pleistocene Mammals of Florida 35-99 [J. Alroy/J. Alroy/J. Head]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 20289: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Evangelos Vlachos and Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Testudines - Pantestudinidae
"Geochelone mlynarskii n. sp." = Hesperotestudo turgida2, Gopherus polyphemus3
"Geochelone mlynarskii n. sp." = Hesperotestudo turgida2 Cope 1892 turtle
subgenus Hesperotestudo
Gopherus polyphemus3 Daudin 1802 Florida gopher tortoise
This large sample includes 13 NUCH (UF 13390) (Fig. 5); five complete EPI (UF 13395a-c, e-f) (Fig. 6); 20 right EPI (UF13392a-t); and 14 left EPI (UF 13394a-m, UF 13395d); 18 PYG (including six with attached suprapygals) (UF 13402); two isolated first suprapygals; two paired XIPH (UF 13391a-b); 18 right XIPH (UF13391c-e,13397, 13398); and 10 left XIPH (UF 13397, 13398).
Mammalia
 Rodentia - Muridae
Ochrotomys nuttalli Harlan 1832 golden mouse
 Rodentia - Cricetidae
Reithrodontomys humulis Audubon and Bachman 1841 eastern harvest mouse
Sigmodon bakeri n. sp. Martin 1974 cotton rat
Podomys floridanus1 Chapman 1889 Florida mouse
Pitymys cf. mcnowni12 Hibbard 1937 vole
Neofiber alleni True 1884 round-tailed muskrat
Peromyscus sp. Gloger 1841 deer mouse
small species according to Morgan and White 1995
 Rodentia - Sciuridae
Sciurus carolinensis Gmelin 1788 eastern gray squirrel
Glaucomys sp.1 Thomas 1908 flying squirrel
 Rodentia - Geomyidae
Thomomys orientalis9 Simpson 1928 pocket gopher
Geomys cf. pinetis Rafinesque 1817 southeastern pocket gopher
described by Wilkins 1984
 Rodentia - Caviidae
Neochoerus aesopi12 Leidy 1853 caviomorph
 Rodentia - Erethizontidae
Erethizon dorsatum Linnaeus 1758 North American porcupine
 Lagomorpha - Leporidae
Sylvilagus floridanus12 Allen 1890 eastern cottontail
Lepus sp.9 Linnaeus 1758 hare
 Lipotyphla - Talpidae
Scalopus aquaticus Linnaeus 1758 eastern mole
 Perissodactyla - Tapiridae
"Tapirus veroensis" = Tapirus (Helicotapirus) veroensis5
"Tapirus veroensis" = Tapirus (Helicotapirus) veroensis5 Sellards 1918 tapir
described by Hulbert 1995a
 Perissodactyla - Equidae
Equus leidyi4 Hay 1913 horse
 Tribosphenida - Soricidae
Blarina carolinensis6 Bachman 1837 southern short-tailed shrew
Cryptotis parva Say 1823 North American least shrew
 Chiroptera - Vespertilionidae
Myotis cf. austroriparius Rhoads 1897 vesper bat
a bat
Plecotus rafinesquii Lesson 1818 vesper bat
a bat: omitted by Webb and Wilkins 1984
Pipistrellus subflavus Cuvier 1832 eastern pipistrelle bat
a bat
 Carnivora - Ursidae
Arctodus pristinus Leidy 1854 bear
 Carnivora - Mephitidae
Spilogale putorius Linnaeus 1758 eastern spotted skunk
Mephitis mephitis Schreber 1776 striped skunk
 Carnivora - Procyonidae
Procyon lotor Linnaeus 1758 raccoon
 Carnivora - Mustelidae
Conepatus leuconotus12 Lichtenstein 1832 eastern hog-nosed skunk
 Carnivora - Canidae
Canis armbrusteri10 Gidley 1913 canine
Urocyon minicephalus n. sp.11 Martin 1974 gray fox
 Carnivora - Felidae
Lynx rufus1 Schreber 1777 bobcat
Panthera onca1 Linnaeus 1758 jaguar
Miracinonyx sp.8 Adams 1979 American cheetah
 Cingulata - Dasypodidae
Dasypus bellus Simpson 1929 beautiful armadillo
 Xenarthra - Pampatheriidae
Holmesina septentrionalis1 Leidy 1889 edentate
 Proboscidea - Elephantidae
Mammuthus sp. Brookes 1828 mammoth
 Ungulata - Tayassuidae
Platygonus vetus1 Leidy 1882 peccary
Mylohyus fossilis7 Leidy 1860 peccary
 Ungulata - Camelidae
Palaeolama cf. mirifica Simpson 1929 stout-legged llama
Hemiauchenia macrocephala7 Cope 1893 camel
 Ungulata - Cervidae
Odocoileus virginianus Zimmermann 1780 white-tailed deer
 Didelphimorphia - Didelphidae
Didelphis virginiana Kerr 1792 Virginia opossum