Where: Hillsborough County, Florida (27.7° N, 82.5° W)
• Paleocoordinates: 27.9° N, 82.1° W (Wright 2013)
• coordinate stated in text
When: Bermont Formation, Irvingtonian (1.8 - 0.3 Ma)
• said to be early Irvingtonian
Environment/lithology: estuary or bay; unlithified sandstone and unlithified siltstone
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 20400: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Richard Hulbert and Mark Uhen
Creative Commons license: CC0 (CC0)
Taxonomic list
•Sr isotope date of 2.08 +/- 0.56 Ma: Jones et al. 1995
•contrary to MacFadden 1995, above evidence could place this not only in C1r.1r but also in C2r or C2r.1r; mammal biochronology is compatible with either of the former two
•date could be narrowed to C1r.1r, following MacFadden, by assuming that 1) Leisey 1A and 3A are in the same chron, and 2) the Sr dates are reliable despite the 0.75 Ma discrepancy between them; I find these assumptions to be mutually contradictory
•there are "over 15,000" vertebrate specimens, "the majority of which are from Leisey 1A" (Morgan and Hulbert 1995); 15.3% of specimens in a test square were mammalian (Pratt and Hulbert 1995), suggesting that about 2300 mammalian specimens come from this site
•from Leisey Shell Pit, exact locality unknown: Eremotherium eomigrans De Iulis and Cartelle 1999
•"Panthera cf. onca" is omitted by Berta 1995
•Nerodia sp. and cf. Coluber sp. are listed by Hulbert and Morgan, but are from other Leisey collections according to Meylan 1995
•only the most common molluscs are listed and genus names of other marine invertebrates are not given
unclassified | |
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Angiospermae | |
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Anthozoa | |
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unclassified | |
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Cirripedia | |
Cirripedia indet. barnacle | |
Deuteropoda | |
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Polychaeta | |
Polychaeta indet. Grube 1850 | |
Gastropoda | |
Physella sp. Haldeman 1849 snail | |
Planorbella scalaris snail | |
Bivalvia | |
Ostrea sp. Linnaeus 1758 oyster | |
Carditamera floridana Conrad 1838 clam | |
Chione cancellata Linnaeus 1767 venus clam | |
Bryozoa | |
Bryozoa indet. Ehrenberg 1831 | |
Echinoidea | |
Echinoidea indet. Leske 1778 sea urchin | |
Actinopteri | |
Megalops atlanticus Valenciennes 1847 | |
Archosargus sp. Gill 1865 perch-like fish
Lagodon rhomboides Linnaeus 1766 perch-like fish | |
Pogonias cromis Cope 1869 black drum | |
Labridae indet. Cuvier 1816 | |
Balistes sp. Linnaeus 1758 | |
Diodon sp. Linnaeus 1758 | |
Lepomis sp. Rafinesque 1819 sunfish | |
Mugil sp. Linnaeus 1758 | |
Centropomus sp. Lacépède 1802 | |
Ictalurus sp. Rafinesque 1820 catfish | |
Sphyraena barracuda Edwards 1771 barracuda | |
Atractosteus spatula Lacepede 1803 gar
Lepisosteus sp. Agassiz 1843 gar | |
Amphibia | |
cf. Rana sp. Linnaeus 1758 frog | |
Bufo terrestris Bonnaterre 1789 Southern toad | |
Siren sp. Linnaeus 1766 siren | |
Mammalia | |
cf. Sylvilagus sp. Gray 1867 cottontail rabbit possibly S. floridanus according to Morgan and White 1995
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"Hydrochaeridae indet." = Hydrochoeridae8
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"Castoroides leiseyorum n. sp." = Castoroides dilophidus8
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Geomys pinetis Rafinesque 1817 southeastern pocket gopher | |
Smilodon gracilis Cope 1880 saber-toothed cat
Homotherium sp. Fabrini 1890 cat | |
"Monachus tropicalis" = Neomonachus tropicalis3
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Arctodus pristinus Leidy 1854 bear | |
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Canis armbrusteri Gidley 1913 canine
Canis edwardii Gazin 1942 canine | |
"Tapirus haysii" = Tapirus (Helicotapirus) haysii
"Tapirus haysii" = Tapirus (Helicotapirus) haysii Leidy 1860 tapir | |
Equus leidyi Hay 1913 horse
Equus cf. fraternus Leidy 1858 horse | |
Hemiauchenia macrocephala Cope 1893 camel | |
Platygonus cf. vetus Leidy 1882 peccary | |
Odocoileus virginianus Zimmermann 1780 white-tailed deer | |
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"Nothrotheriops texanus" = Nothrotherium texanum1
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Pachyarmatherium leiseyi n. sp.4
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Holmesina cf. floridanus Robertson 1976 edentate | |
Dasypus bellus Simpson 1929 beautiful armadillo | |
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Mammut americanum Kerr 1792 American mastodon | |
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Reptilia | |
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Apalone ferox Schneider 1783 Florida softshell turtle | |
Kinosternon sp. von Spix 1824 mud turtle | |
"Macroclemys temmincki" = Macrochelys temminckii Troost 1835 Alligator snapping turtle
"Chelydra floridana" = Chelydra serpentina10 Linnaeus 1758 snapping turtle replaces record of "Macroclemys temmincki"
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Terrapene carolina Linnaeus 1758 common box turtle
Trachemys scripta Schoepff 1792 slider | |
Gopherus polyphemus Daudin 1802 Florida gopher tortoise | |
Aves | |
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Cygnus buccinator6, Branta dickeyi6, Branta canadensis6, Mergus sp.6, Bucephala albeola6, Somateria cf. spectabilis6, Anabernicula gracilenta6, Anas crecca6, Anas platyrhynchos6, Aythya collaris6, Aythya marila6, Aythya affinis6, Aythya americana6, "Anas americana" = Mareca americana6
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Gymnogyps kofordi n. sp.5
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Reptilia | |
Alligator mississippiensis Daudin 1801 American alligator | |
Chondrichthyes | |
Pristis sp. Linck 1790 sawfish | |
Dasyatis sp. Rafinesque 1810 whiptail stingray | |
Myliobatis sp. Cuvier 1816 eagle ray | |
"Isurus hastalis" = Carcharodon hastalis, Carcharodon carcharias
"Isurus hastalis" = Carcharodon hastalis Agassiz 1838 white shark
Carcharodon carcharias Linnaeus 1758 great white shark | |
"Odontaspis taurus" = Carcharias taurus
"Odontaspis taurus" = Carcharias taurus Rafinesque 1810 sand shark | |
Ginglymostoma cirratum Gmelin 1789 nurse shark | |
"Galeocerdo cuvieri" = Galeocerdo cuvier
"Galeocerdo cuvieri" = Galeocerdo cuvier Peron and LeSueur 1822 tiger shark | |
Hemipristis serra Agassiz 1835 ground shark | |
Carcharhinus leucas Valenciennes 1839 requiem shark
Rhizoprionodon terraenovae sharpnose shark
Negaprion brevirostris Poey 1868 lemon shark |