Leisey Shell Pit 3A (Pleistocene of the United States)

Where: Hillsborough County, Florida (27.7° N, 82.5° W: paleocoordinates 27.7° N, 82.3° W)

• coordinate based on political unit

When: Bermont Formation, Irvingtonian (1.8 - 0.3 Ma)

• said to be early Irvingtonian

Environment/lithology: estuary or bay; unlithified sandstone and unlithified siltstone

• "unconsolidated, poorly sorted... fine-grained sand, silt, and dark brown mud" with many mollusc and vertebrate fossils

Size classes: macrofossils, mesofossils

Collection methods: quarrying

Primary reference: R. C. Hulbert, Jr. and G. S. Morgan. 1989. Stratigraphy, paleoecology, and vertebrate fauna of the Leisey Shell Pit Local Fauna, early Pleistocene (Irvingtonian) of southwestern Florida. Papers in Florida Paleontology 2:1-19 [J. Alroy/J. Alroy/P. Wagner]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 20402: authorized by John Alroy, entered by John Alroy on 18.02.1993

Creative Commons license: CC BY (attribution)

Taxonomic list

• entirely within a reversed polarity interval: MacFadden 1995Sr isotope date of 1.33 +/- 0.56 Ma: Jones et al. 1995contrary to MacFadden 1995, above evidence could place this not only in C1r.1r but also in C1rLeisey Shell Pit 3: Erethizon dorsatum Morgan and White 1995 Neochoerus sp. Morgan and White 1995 Ondatra annectens Morgan and White 1995 Canis armbrusteri Berta 1995 "Lutra" canadensis Berta 1995 Spilogale putorius Berta 1995 Lynx rufus Berta 1995 Miracinonyx inexpectatus Berta 1995: repeated by Morgan and Seymour 1997"Holmesina cf. floridanus" is omitted by Downing and White 1995"Cuvieronius sp." is omitted by Webb and Dudley 1995
 Testudines - Trionychidae
Apalone ferox3 Schneider 1783 Florida softshell turtle
 Testudines - Kinosternoidea
Kinosternon sp.3 von Spix 1824 mud turtle
 Testudines - Panchelydridae
"Macroclemys temmincki" = Macrochelys temminckii3
"Macroclemys temmincki" = Macrochelys temminckii3 Troost 1835 Alligator snapping turtle
 Testudines - Pantestudinidae
Hesperotestudo crassiscutata3 Leidy 1889 turtle
 Crocodylia - Alligatoridae
Alligator mississippiensis3 Daudin 1801 American alligator
 Squamata - Anguidae
Ophisaurus compressus3 Cope 1900 island glass lizard
 Squamata - Colubridae
Colubrinae indet.3 Oppel 1811 colubrid snake
"Coluber or Masticophis"
Lampropeltis getulus3 Linnaeus 1766 kingsnake
cf. Thamnophis sp.3 Fitzinger 1843 garter snake
Farancia sp.3 Gray 1842 colubrid snake
Regina sp.3 Baird and Girard 1853 crayfish snake
cf. Regina alleni3 Garman 1874 striped crayfish snake
Nerodia sp.3 Baird and Girard 1853 water snake
cf. Nerodia fasciata3 Linnaeus 1766 banded water snake
 Squamata - Crotalidae
cf. Agkistrodon piscivorous3 Lacépède cottonmouth
Sistrurus miliarius3 pigmy rattlesnake
 Rodentia - Cricetidae
Sigmodon libitinus Martin 1979 cotton rat
Podomys sp.4 Osgood 1909 mouse
Synaptomys sp. Baird 1858 vole
comparisons are to S. australis and S. cooperi, see Morgan and White 1995
"Pedomys sp." = Microtus4 Schrank 1798 vole
same as Haile 16A species
 Rodentia - Geomyidae
Geomys pinetis4 Rafinesque 1817 southeastern pocket gopher
 Lagomorpha - Leporidae
Sylvilagus floridanus4 Allen 1890 eastern cottontail
 Perissodactyla - Tapiridae
"Tapirus haysii" = Tapirus (Helicotapirus) haysii
"Tapirus haysii" = Tapirus (Helicotapirus) haysii Leidy 1860 tapir
 Perissodactyla - Equidae
Equus leidyi Hay 1913 horse
placed in quotes by the authors
 Tribosphenida - Soricidae
Blarina cf. carolinensis4 Bachman 1837 southern short-tailed shrew
 Carnivora - Mustelidae
Mustela frenata Lichtenstein 1831 long-tailed weasel
 Cingulata - Dasypodidae
Dasypus bellus Simpson 1929 beautiful armadillo
 Cingulata - Pachyarmatheriidae
Pachyarmatherium leiseyi2 Downing and White 1995 edentate
 Xenarthra - Mylodontidae
Paramylodon harlani1 Owen 1840 Harlan's ground sloth
 Ungulata - Camelidae
"Hemiauchenia seymourensis" = Hemiauchenia macrocephala5
"Hemiauchenia seymourensis" = Hemiauchenia macrocephala5 Cope 1893 camel