The Suwannee County, Florida paleontological sites are assemblages of

Early Miocene The Early Miocene (also known as Lower Miocene) is a sub-epoch of the Miocene epoch (geology), Epoch made up of two faunal stage, stages: the Aquitanian age, Aquitanian and Burdigalian stages. The sub-epoch lasted from 23.03 ± 0.05 annum, Ma to ...

invertebrates and vertebrates occurring in

Suwannee County, Florida Suwannee County is a county located in the north central portion of the state of Florida. As of the 2020 census, the population was 43,474, up from 41,551 in 2010. Its county seat is Live Oak. Suwannee County was a dry county until August 201 ...

Age

Era An era is a span of time. Era or ERA may also refer to: * Era (geology), a subdivision of geologic time * Calendar era Education * Academy of European Law (German: '), an international law school * ERA School, in Melbourne, Australia * E ...

Neogene The Neogene ( ,) is a geologic period and system that spans 20.45 million years from the end of the Paleogene Period million years ago ( Mya) to the beginning of the present Quaternary Period million years ago. It is the second period of th ...

Period Period may refer to: Common uses * Period (punctuation) * Era, a length or span of time *Menstruation, commonly referred to as a "period" Arts, entertainment, and media * Period (music), a concept in musical composition * Periodic sentence (o ...

Faunal stage In chronostratigraphy, a stage is a succession of rock strata laid down in a single age on the geologic timescale, which usually represents millions of years of deposition. A given stage of rock and the corresponding age of time will by conven ...

Arikareean The Arikareean North American Stage on the geologic timescale is the North American faunal stage according to the North American Land Mammal Ages chronology (NALMA), typically set from 30,600,000 to 20,800,000 years BP, a period of . It is usuall ...

(30.8—20.6 Ma.), calculates to a period of approximately .

Sites

S1BA site aka Live Oak site. AEO: ~21.8—21.7 Mya., approximately Alroy, John AEO estimate.
Coordinates:

Specimens

Mammals

*''

Anchitheriinae The Anchitheriinae are an extinct subfamily of the Perissodactyla family Equidae, the same family which includes modern horses, zebras and donkeys. This subfamily is more primitive than the living members of the family. The group first appeared ...

'' (horse) *'' Arikarictis chapini'' (mustelid) *''

Daphoenodon ''Daphoenodon'' is an extinct genus of Terrestrial animal, terrestrial carnivore, which lived in the early Miocene and belonged to the family Amphicyonidae ("bear dogs") of the suborder Caniformia. The species of ''Daphoenodon'' are characteri ...

'' (bear-dog) *''

Leptocyon The genus ''Leptocyon'' (Greek: ''leptos'' slender + ''cyon'' dog) includes 11 species and was the first canine. They were small and weighed around . They first appeared in North America around 34 million years ago in the Oligocene, at the same ...

'' (canine) *''

Eomyidae Eomyidae is a family of extinct rodents from North America and Eurasia related to modern day pocket gophers and kangaroo rats. They are known from the Middle Eocene to the Late Miocene in North America and from the Late Eocene to the Pleistocene ...

'' (gopher) *''

Geomyoidea Geomyoidea is a superfamily of rodent that contains the pocket gophers ( Geomyidae), the kangaroo rats and mice ( Heteromyidae), and their fossil relatives. Characteristics Although dissimilar in overall appearance, gophers have been united wit ...

'' (pocket gopher) *'' Herpetotherium'' (pygmy opossum) *'' Harrymys magnus'' *'' Mammacyon obtusidens'' (bear-dog) *'' Megalictis frazieri'' (mustelid) *'' Nothokemas waldropi'' (camel) *'' Palaeogale minuta'' (catlike carnivore) *''

Phlaocyon ''Phlaocyon'' (from Greek ''phlao'', "eat greedily" and ''cyon'', "dog") is an extinct genus of the Borophaginae subfamily of canids native to North America. It lives from the Early Oligocene to the Early Miocene epoch 33.3–16.3 Mya, existing ...

leucosteus'' *'' Protosciurus'' (tree squirrel) *''

Vespertilionidae Vespertilionidae is a family of microbats, of the order Chiroptera, flying, insect-eating mammals variously described as the common, vesper, or simple nosed bats. The vespertilionid family is the most diverse and widely distributed of bat familie ...

'' (bat)

References

{{reflist
Paleobiology Database, Collection 17837
authorized by

John Alroy John Alroy is a paleobiologist born in New York in 1966 and now residing in Sydney, Australia. Area of expertise Alroy specializes in diversity curves, speciation, and extinction of North American fossil mammals and Phanerozoic marine inverte ...

, Ph.D., National Center for Ecological Analysis and Synthesis,

University of California, Santa Barbara The University of California, Santa Barbara (UC Santa Barbara or UCSB) is a Public university, public Land-grant university, land-grant research university in Santa Barbara County, California, United States. Tracing its roots back to 1891 as an ...

**Alroy, J., Conjunction among taxonomic distributions and the Miocene mammalian biochronology of the Great Plains. Paleobiology 18(3):326-343, 1992. **Alroy, J., 2008. Speciation and extinction in the fossil record of North American mammals. ''Ecological Reviews'', 2008. *Hayes, F. G., The Brooksville 2 local fauna (Arikareean, latest Oligocene) Hernando County, Florida. Bulletin of the Florida Museum of Natural History 43(1):1-47. 2000. Paleontological sites of Florida Natural history of Florida Geography of Suwannee County, Florida