Manatee County Dam (Neogene of the United States)

Where: Manatee County, Florida (27.5° N, 82.5° W: paleocoordinates 27.7° N, 80.8° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Bone Valley Member (Peace River Formation), Hemphillian (10.3 - 4.9 Ma)

• JA: Hemphillian based on AEO results; upper beds

• group of beds-level stratigraphic resolution

Environment/lithology: estuary or bay; phosphatic, sandy gravel

• well-sorted, sandy, phosphatic gravels (0.6 to 1.2 m thick)

Size classes: macrofossils, mesofossils

Primary reference: S. D. Webb and N. Tessman. 1968. A Pliocene vertebrate fauna from low elevation in Manatee County, Florida. American Journal of Science 266 [J. Alroy/J. Alroy/J. Ju]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 18556: authorized by John Alroy, entered by John Alroy on 27.09.1993, edited by Philip Mannion and Richard Hulbert

Creative Commons license: CC BY (attribution)

Taxonomic list

• from a 4' zone at one locality
NISP 26
Chondrichthyes
 Odontaspidida - Carcharodontidae
"Isurus hastalis" = Cosmopolitodus hastalis7
"Isurus hastalis" = Cosmopolitodus hastalis7 Agassiz 1843 elasmobranch
 Myliobatiformes - Myliobatidae
"Myliobatus sp." = Myliobatis7, Aetobatus sp.7
"Myliobatus sp." = Myliobatis7 Cuvier 1816 eagle ray
Aetobatus sp.7 Blainville 1816 eagle ray
 Pristiformes - Pristidae
Pristis sp.7 Linck 1790 sawfish
 Lamniformes - Otodontidae
"Carcharodon megalodon" = Otodus megalodon7
"Carcharodon megalodon" = Otodus megalodon7 Agassiz 1843 megalodon
 Lamniformes - Odontaspididae
Odontaspis macrota7, "Odontaspis cuspidata" = Carcharias cuspidatus7
Odontaspis macrota7 Agassiz 1843 sand tiger shark
"Odontaspis cuspidata" = Carcharias cuspidatus7 Agassiz 1843 sand shark
 Carchariniformes - Carcharhinidae
Negaprion brevirostris7 Poey 1868 lemon shark
Galeocerdo contortis7 tiger shark
Galeocerdo aduncus7 Agassiz 1843 tiger shark
Carcharhinus leucas7 Valenciennes 1839 requiem shark
 Carchariniformes - Hemigaleidae
Hemipristis serra7 Agassiz 1843 ground shark
Actinopteri
 Acanthomorphata - Sciaenidae
Sciaenidae indet.7 Cuvier 1828
 Tetraodontiformes - Diodontidae
Diodon sp.7 Linnaeus 1758
Reptilia
 Testudines - Cheloniidae
Cheloniidae indet.7 Bonaparte 1832 sea turtle
 Testudines - Trionychidae
Trionychidae indet.7 Gray 1825 softshell turtle
 Testudines - Pantestudinidae
"Geochelone cf. turgida" = Hesperotestudo turgida7
"Geochelone cf. turgida" = Hesperotestudo turgida7 Cope 1892 turtle
 Testudines - Panemydidae
Chrysemys inflata7 Weaver and Robertson 1967 turtle
Aves
 Suliformes - Phalacrocoracidae
Reptilia
 Crocodylia - Crocodylidae
Crocodylidae indet.5 Cuvier 1807 crocodile
 Crocodylia - Alligatoridae
Alligator sp.7 Daudin 1809 alligator
Mammalia
 Perissodactyla - Rhinocerotidae
Teleoceras sp. Hatcher 1894 rhinoceros
 Perissodactyla - Tapiridae
Tapirus sp.2 Brisson 1762 tapir
 Perissodactyla - Equidae
"Hipparion ingenuum" = Cormohipparion ingenuum7 Leidy 1885 hipparionine horse
"Hippotherium cf. ingenuum" = Cormohipparion ingenuum3 Leidy 1885 hipparionine horse
Pseudhipparion cf. skinneri6 Webb and Hulbert 1986 hipparionine horse
Nannippus aztecus1 Mooser 1968 hipparionine horse
Neohipparion eurystyle3 Cope 1893 hipparionine horse
Calippus elachistus3 Hulbert 1988 horse
 Carnivora - Canidae
Canidae indet. Fischer 1817 canid
 Proboscidea - Gomphotheriidae
Gomphotheriidae indet.4 Hay 1922 gomphothere
 Ungulata - Camelidae
cf. Hemiauchenia sp.1 Gervais and Ameghino 1880 camel