St. Johns River Dredge (Miocene of the United States)

Also known as DU002

Where: Duval County, Florida (30.3° N, 81.7° W: paleocoordinates 30.5° N, 80.0° W)

• coordinate estimated from map

When: Late/Upper Miocene (11.6 - 5.3 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marginal marine; lithology not reported

Size class: macrofossils

Reposited in the FLMNH

Primary reference: C. Pimiento. 2014. Carcharocles megalodon unpublished collections from Natural History Museums around the world. [C. Jaramillo/C. Pimiento/C. Pimiento]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 162457: authorized by Carlos Jaramillo, entered by Catalina Pimiento on 25.09.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Chondrichthyes
 Hexanchiformes - Hexanchidae
 Carcharhiniformes - Hemigaleidae
Hemipristis serra Agassiz 1835 ground shark
 Carcharhiniformes - Galeocerdidae
Galeocerdo mayumbensis, "Physogaleus aduncus" = Galeocerdo aduncus
"Physogaleus aduncus" = Galeocerdo aduncus Agassiz 1835 tiger shark
 Carcharhiniformes - Carcharhinidae
Physogaleus contortus Gibbes 1847 requiem shark
Negaprion brevirostris Poey 1868 lemon shark
 Lamniformes - Lamnidae
Carcharodon sp. Smith 1838 white shark
Carcharodon carcharias Linnaeus 1758 great white shark
"Isurus hastalis" = Carcharodon hastalis Agassiz 1838 white shark
 Lamniformes - Otodontidae
Parotodus benedeni, "Carcharocles megalodon" = Otodus megalodon
Parotodus benedeni Le Hon 1871 mackerel shark
"Carcharocles megalodon" = Otodus megalodon Agassiz 1835 megalodon
 Lamniformes - Carchariidae
Carcharias taurus Rafinesque 1810 sand shark