Login
Login

Alachua Formation

{{short description|Miocene geologic formation in Florida}}

{{Infobox rockunit

| name = Alachua Formation

| image =

| caption =

| type = Formation

| age = Early-Late Miocene (Hemingfordian-Hemphillian)
~{{fossil range|20|5.3}}

| period = Miocene

| prilithology = Claystone, sandstone

| otherlithology = Phosphorite

| namedfor = Alachua, Florida

| namedby =

| region = Florida

| country = United States

| coordinates = {{coord|29.7|N|82.6|W|display=inline,title}}

| paleocoordinates = {{coord|29.8|N|80.9|W|display=inline}}

| unitof =

| subunits =

| underlies =

| overlies =

| thickness =

| extent =

| area =

| map = {{Location map+ | United States#Florida

| relief = 1

| width = 250

| float = center

| places =

{{Location map~ | United States#Florida

| lat_deg = 29.7

| lon_deg = -82.6

| mark = Yellow pog.svg

| marksize = 10

}}

{{Location map~ | United States#Florida

| lat_deg = 29.8

| lon_deg = -82.1

| mark = Yellow pog.svg

| marksize = 10

}}

{{Location map~ | United States#Florida

| lat_deg = 29.6

| lon_deg = -82.5

| mark = Yellow pog.svg

| marksize = 10

}}

{{Location map~ | United States#Florida

| lat_deg = 29.0

| lon_deg = -82.4

| mark = Yellow pog.svg

| marksize = 10

}}

{{Location map~ | United States#Florida

| lat_deg = 29.1

| lon_deg = -82.3

| mark = Yellow pog.svg

| marksize = 10

}}

{{Location map~ | United States#Florida

| lat_deg = 29.4

| lon_deg = -82.6

| mark = Yellow pog.svg

| marksize = 10

}}

}}

| map_caption =

}}

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.[https://paleobiodb.org/classic/displayStrata?geological_group=&formation=Alachua&group_formation_member=Alachua Alachua Formation] at Fossilworks.org

= Mammals =

;Rodents

{{div col|colwidth=29em}}

{{div col end}}

;Carnivora

{{div col|colwidth=29em}}

{{div col end}}

;Ground sloths

;Gomphotheres

;Artiodactyls

{{div col|colwidth=29em}}

{{div col end}}

;Soricomorpha

{{div col|colwidth=29em}}

{{div col end}}

;Perissodactyls

{{div col|colwidth=29em}}

{{div col end}}

;Sirenians

;Lipotyphla

;Theriiformes

= Birds =

{{div col|colwidth=29em}}

{{div col end}}

= Reptiles =

;Turtles

{{div col|colwidth=29em}}

{{div col end}}

;Crocodiles

{{div col|colwidth=29em}}

{{div col end}}

;Snakes

;Lizards

= Amphibians =

;Anurans

{{div col|colwidth=29em}}

{{div col end}}

;Salamanders

= Fish =

;Sharks

{{div col|colwidth=29em}}

{{div col end}}

;Rays

;Others

See also

{{div col|colwidth=29em}}

{{div col end}}

References

{{reflist|2}}

= Bibliography =

  • C. Pimiento. 2014. Carcharocles megalodon unpublished collections from Natural History Museums around the world
  • {{Cite journal |last=Hulbert |first=Richard C., Jr. |year=1988 |title=Calippus and Protohippus (Mammalia, Perissodactyla, Equidae) from the Miocene (Barstovian-early Hemphillian) of the Gulf Coastal Plain |url=https://www.floridamuseum.ufl.edu/wp-content/uploads/sites/35/2017/03/Vol-32-No-3.pdf |journal=Bulletin of the Florida State Museum, Biological Sciences |volume=32 |issue=3 |pages=221–340}}
  • {{Cite journal |last1=Webb |first1=S. David |last2=MacFadden |first2=Bruce J. |last3=Baskin |first3=Jon A. |date=May 1981 |title=Geology and paleontology of the Love Bone Bed from the Late Miocene of Florida |url=https://www.researchgate.net/publication/274819211 |journal=American Journal of Science |volume=281 |issue=5 |pages=513–544|doi=10.2475/ajs.281.5.513 |bibcode=1981AmJS..281..513W }}
  • {{Cite journal |last1=Hirschfeld |first1=Sue E. |last2=Webb |first2=S. David |year=1968 |title=Plio-Pleistocene Megalonychid Sloths of North America |url=https://www.floridamuseum.ufl.edu/wp-content/uploads/sites/35/2017/03/Vol-12-No-5.pdf |journal=Bulletin of the Florida State Museum |volume=12 |issue=5 |pages=213–296}}
  • {{Cite journal |last=Webb |first=S. David |date=August 1966 |title=A Relict Species of the Burrowing Rodent, Mylagaulus, from the Pliocene of Florida |journal=Journal of Mammalogy |volume=47 |issue=3 |pages=401–412 |doi=10.2307/1377681 |jstor=1377681}}
  • {{Cite journal |last=Auffenberg |first=Walter |year=1963 |title=Fossil testudinine turtles of Florida: genera Geochelone and Floridemys |url=https://www.floridamuseum.ufl.edu/wp-content/uploads/sites/35/2017/03/Vol-7-No-2.pdf |journal=Bulletin of the Florida State Museum, Biological Sciences |volume=7 |issue=2 |pages=53–97}}
  • {{Cite journal |last=Pirkle |first=E. C. |date=December 1956 |title=The Hawthorne and Alachua Formations of Alachua County, Florida |journal=Quarterly Journal of the Florida Academy of Sciences |volume=19 |issue=4 |pages=197–240 |jstor=24315224}}
  • {{Cite journal |last=White |first=T. E. |year=1942 |title=The Lower Miocene mammal fauna of Florida |url=https://archive.org/details/biostor-97887/page/n25/mode/2up |journal=Bulletin of the Museum of Comparative Zoology |volume=92 |issue=1 |pages=1–49}}
  • {{Cite journal |last=Simpson |first=George Gaylord |year=1930 |title=Tertiary Land Mammals of Florida |url=https://digitallibrary.amnh.org/items/25eeafe2-6ba5-4151-8b3f-640a4c8c9eff |journal=Bulletin of the American Museum of Natural History |volume=59 |issue=3 |pages=1–64}}

Category:Geologic formations of Florida

Category:Miocene Series of North America

Category:Neogene Florida

Category:Barstovian

Category:Clarendonian

Category:Hemingfordian

Category:Hemphillian

Category:Sandstone formations of the United States

Category:Phosphorite formations

Category:Shallow marine deposits

Category:Paleontology in Florida

Category:Claystone formations