Tri-Britton: Irvingtonian, Florida

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia
Alligator sp. Daudin 1809
Reptilia - Testudines - Emydidae
Pseudemys sp. Gray 1856
Reptilia - Testudines - Testudinidae
Hesperotestudo sp. (Williams 1950)
Gopherus polyphemus (Daudin 1802)
Franz and Quitmyer 2005
The small sample includes one NUCH (UF 209990), several carapacial elements (costal, peripherals, and bridge elements), one right EPI (UF 210862), one ENT (UF208986), two HYPO (UF 209990, 209098), and three XIPH (UF 209098, 209991).
Reptilia - Testudines - Trionychidae
Apalone sp. Rafinesque 1832
Mammalia - Cingulata - Pampatheriidae
Holmesina sp. Simpson 1930
Mammalia - Mylodontidae
Paramylodon sp. Brown 1903
Mammalia - Megalonychidae
Megalonyx sp. Harlan 1825
Mammalia - Proboscidea - Elephantidae
Mammuthus sp. Brookes 1828
Mammalia - Proboscidea - Mammutidae
Mammut sp. Blumenbach 1799
Mammalia - Perissodactyla - Equidae
Equus sp. Linnaeus 1758
Mammalia - Perissodactyla - Tapiridae
Tapirus sp. Brisson 1762
Mammalia - Camelidae
Palaeolama sp. Gervais 1869
Mammalia - Rodentia - Castoridae
Castoroides dilophidus (Martin 1969)
Hulbert et al. 2014
Actinopteri - Lepisosteiformes - Lepisosteidae
Lepisosteus sp. Agassiz 1843
see common names

Geography
Country:United States State/province:Florida County:Hendry
Coordinates: 26.5° North, 81.2° West (view map)
Paleocoordinates:26.5° North, 81.0° West
Basis of coordinate:based on political unit
Geographic resolution:outcrop
Time
Period:Quaternary Epoch:Pleistocene
10 m.y. bin:Cenozoic 6
*Epoch:Middle Pleistocene
*Local age/stage:Middle Irvingtonian - Late/Upper Irvingtonian
Key time interval:Irvingtonian
Age range of interval:1.40000 - 0.21000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Stratigraphic resolution:bed
Stratigraphy comments: from a "two to three meter-thick bed"
Lithology and environment
Primary lithology:shelly/skeletal sandstone
Lithology description: "shelly, medium- to coarse-grained, quartz sand"
Environment:fluvial indet.
Geology comments: "high energy fluvial deposit formed during an interval of relatively low sea level, as the marine mollusk shells and chondrichthyan teeth appear to be re-worked"
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection excludes:species names
Collection methods:salvage,selective quarrying,field collection
Reason for describing collection:biostratigraphic analysis
Metadata
Database number:26550
Authorizer:J. Alroy, E. Vlachos, M. Uhen Enterer:J. Alroy, M. Uhen, E. Vlachos
Modifier:J. Alroy Research group:vertebrate
Created:2002-10-16 21:25:45 Last modified:2002-10-17 00:28:20
Access level:the public Released:2002-10-16 21:25:45
Creative Commons license:CC BY
Reference information

Primary reference:
7294. M. Meers and R. Hulbert. 2002. A new middle Pleistocene local fauna from southwestern Florida. Journal of Vertebrate Paleontology 22(3):87A [J. Alroy/J. Alroy/J. Alroy]

Secondary references:

66358 R. Franz and I. R. Quitmyer. 2005. A fossil and zooarchaeological history of the gopher tortoise (Gopherus polyphemus) in the Southeastern United States. Bull. Fla. Mus. Nat. History 45(4):179-199 [E. Vlachos/E. Vlachos/E. Vlachos]
74663 R. C. Hulbert, A. Kerner, and G. S. Morgan. 2014. Taxonomy of the Pleistocene giant beaver Castoroides (Rodentia: Castoridae) from the southeastern United States. 53(2):26-43 [M. Uhen/M. Uhen]