Alachua Formation

Alachua Formation
Alachua Formation
Stratigraphic range: Early-Late Miocene (Hemingfordian-Hemphillian); ~20–5.3 Ma PreꞒ Ꞓ O S D C P T J K Pg N
Type	Formation
Lithology
Primary	Claystone, sandstone
Other	Phosphorite
Location
Coordinates	29°42′N 82°36′W / 29.7°N 82.6°W
Approximate paleocoordinates	29°48′N 80°54′W / 29.8°N 80.9°W
Region	Florida
Country	United States
Type section
Named for	Alachua, Florida
	Alachua Formation (the United States) Alachua Formation (Florida)
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The Alachua Formation is a Miocene geologic formation in Florida. The claystones, sandstones and phosphorites of the formation preserve many fossils of mammals, birds, reptiles and fish, among others megalodon.

Fossil content

The formation has provided the following fossils.^[1]

Mammals

Rodents

Carnivora

Ground sloths

Gomphotheres

Artiodactyls

Soricomorpha

Perissodactyls

Sirenians

Metaxytherium cf. floridanum

Lipotyphla

Talpidae indet.

Theriiformes

Vespertilionidae indet.

Birds

Reptiles

Turtles

Crocodiles

Snakes

Lizards

Amphibians

Anurans

Salamanders

Siren hesterna

Fish

Sharks

Rays

Pristis sp.

Others

Hemipristis serra
Lepisosteus sp.

References

^ Alachua Formation at Fossilworks.org

Bibliography

C. Pimiento. 2014. Carcharocles megalodon unpublished collections from Natural History Museums around the world
Hulbert, Richard C., Jr. (1988). "Calippus and Protohippus (Mammalia, Perissodactyla, Equidae) from the Miocene (Barstovian-early Hemphillian) of the Gulf Coastal Plain" (PDF). Bulletin of the Florida State Museum, Biological Sciences. 32 (3): 221–340.{{cite journal}}: CS1 maint: multiple names: authors list (link)
Webb, S. David; MacFadden, Bruce J.; Baskin, Jon A. (May 1981). "Geology and paleontology of the Love Bone Bed from the Late Miocene of Florida". American Journal of Science. 281 (5): 513–544. Bibcode:1981AmJS..281..513W. doi:10.2475/ajs.281.5.513.
Hirschfeld, Sue E.; Webb, S. David (1968). "Plio-Pleistocene Megalonychid Sloths of North America" (PDF). Bulletin of the Florida State Museum. 12 (5): 213–296.
Webb, S. David (August 1966). "A Relict Species of the Burrowing Rodent, Mylagaulus, from the Pliocene of Florida". Journal of Mammalogy. 47 (3): 401–412. doi:10.2307/1377681. JSTOR 1377681.
Auffenberg, Walter (1963). "Fossil testudinine turtles of Florida: genera Geochelone and Floridemys" (PDF). Bulletin of the Florida State Museum, Biological Sciences. 7 (2): 53–97.
Pirkle, E. C. (December 1956). "The Hawthorne and Alachua Formations of Alachua County, Florida". Quarterly Journal of the Florida Academy of Sciences. 19 (4): 197–240. JSTOR 24315224.
White, T. E. (1942). "The Lower Miocene mammal fauna of Florida". Bulletin of the Museum of Comparative Zoology. 92 (1): 1–49.
Simpson, George Gaylord (1930). "Tertiary Land Mammals of Florida". Bulletin of the American Museum of Natural History. 59 (3): 1–64.

[FW-1] Alachua Formation at Fossilworks.org

[1]

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Mammals

Birds

Reptiles

Amphibians

Fish

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References

Bibliography

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