White Springs 3B (Oligocene of the United States)

Also known as UF C061

Where: Columbia/Hamilton County, Florida (30.2° N, 82.8° W: paleocoordinates 30.4° N, 77.5° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Porters Landing Member (Parachucla Formation), Chattian (28.1 - 23.0 Ma)

• Arikareean

• member-level stratigraphic resolution

Environment/lithology: marginal marine; brown, gray, argillaceous sandstone

• light gray to buff to brown, slightly clayey, fine quartz sand with a minor percentage of fine phosphatic grains

Size class: macrofossils

Reposited in the FLMNH

Collection methods: bulk, quarrying, sieve

Primary reference: G. S. Morgan. 1989. Miocene vertebrate faunas from the Suwannee River basin of north Florida and south Georgia. Southeastern Geological Society Guidebook 30:26-53 [J. Alroy/J. Alroy/J. Marcot]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 17860: authorized by John Alroy, entered by John Alroy on 26.03.1995, edited by Richard Hulbert

Creative Commons license: CC BY (attribution)

Taxonomic list

• said to be "earliest Miocene (Arikareean)"
Mammalia
 Lagomorpha - Leporidae
Megalagus sp.1 Walker 1931 rabbit
 Rodentia - Cricetidae
"Cricetidae" indet.1 Fischer von Waldheim 1817 mouse
cf. Leidymys sp. Wood 1936 mouse
 Rodentia - Sciuridae
Protosciurus sp.1 Black 1963 squirrel
Nototamias sp.1 Pratt and Morgan 1989 squirrel
 Rodentia -
Geomyoidea indet.1 Bonaparte 1845 rodent
 Rodentia - Eomyidae
Eomyidae indet.1 Winge 1887 rodent
Arikareeomys sp.1 Korth 1992 rodent
 Rodentia - Heliscomyidae
Heliscomys sp.1 Cope 1873 rodent
 Rodentia - Heteromyidae
Heteromyidae indet.1 Gray 1868 rodent
 Rodentia - Castoridae
cf. Neatocastor sp.1 Korth 1996 beaver
 Placentalia -
Carnivora indet.1 Bowdich 1821 carnivoran
"small"
 Carnivora - Canidae
Canidae indet.1 Fischer de Waldheim 1817 canid
 Perissodactyla - Equidae
"Anchippus texanus" = Desmatippus texanus1
"Anchippus texanus" = Desmatippus texanus1 Leidy 1868 anchitheriine horse
 Perissodactyla - Rhinocerotidae
cf. Diceratherium sp.1 Marsh 1875 rhinoceros
 Artiodactyla - Merycoidodontidae
Mesoreodon floridensis n. sp.1 MacFadden and Morgan 2003 oreodont
 Artiodactyla - Camelidae
Nothokemas cf. waldropi1 Frailey 1978 camel
cf. Gentilicamelus sp.1 Loomis 1936 camel
"small primitive species"
cf. Oxydactylus sp.1 Peterson 1904 camel
 Chiroptera -
Chiroptera indet.1 Blumenbach 1779 bat
a bat
 Insectivora -
Insectivora indet.1 Bowdich 1821 insectivoran
 Theriamorpha - Herpetotheriidae
Herpetotherium sp.1 Cope 1873 marsupial
Reptilia
 Squamata -
Scolecophidia indet.2 snake
UF 125434, 12551, 125546, 125573, five trunk vertebra (not sure which no. has the extra vert)
 Squamata - Typhlopidae
Typhlopidae indet.1 Bonaparte 1831 blind snake
 Squamata - Boidae
Boidae indet.1 Gray 1825 boa
Pterygoboa sp.3 Holman 1976 sand boa