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Alachua Formation

Coordinates: 29°42′N 82°36′W / 29.7°N 82.6°W / 29.7; -82.6
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Alachua Formation
Stratigraphic range: Early-Late Miocene (Hemingfordian-Hemphillian)
~20–5.3 Ma
TypeFormation
Lithology
PrimaryClaystone, sandstone
OtherPhosphorite
Location
Coordinates29°42′N 82°36′W / 29.7°N 82.6°W / 29.7; -82.6
Approximate paleocoordinates29°48′N 80°54′W / 29.8°N 80.9°W / 29.8; -80.9
RegionFlorida
Country United States
Type section
Named forAlachua, Florida
Alachua Formation is located in the United States
Alachua Formation
Alachua Formation
Alachua Formation
Alachua Formation
Alachua Formation
Alachua Formation
Alachua Formation (the United States)
Alachua Formation is located in Florida
Alachua Formation
Alachua Formation
Alachua Formation
Alachua Formation
Alachua Formation
Alachua Formation
Alachua Formation (Florida)

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

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The formation has provided the following fossils.[1]

Mammals

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Rodents
Carnivora
Ground sloths
Gomphotheres
Artiodactyls
Soricomorpha
Perissodactyls
Sirenians
Lipotyphla
Theriiformes

Birds

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Reptiles

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Turtles
Crocodiles
Snakes
Lizards

Amphibians

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Anurans
Salamanders

Fish

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Sharks
Rays
Others

See also

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References

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Bibliography

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  • 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 Carcharocles megalodon unpublished collections from Natural History Museums around the world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.