Parana, Pueblo Brugo to Diamante, Parana Fm. (Miocene of Argentina)

Where: Entre Rios, Argentina (31.4° S, 60.2° W: paleocoordinates 31.6° S, 56.7° W)

• coordinate estimated from map

• local area-level geographic resolution

When: Parana Formation, Serravallian (13.8 - 11.6 Ma)

• Age from Cozzuol (2006).

• formation-level stratigraphic resolution

Environment/lithology: estuary or bay; mudstone and sandstone

• some wetland, estuarine-barrier shoreface, carbonaceous silt

Size classes: macrofossils, mesofossils

Preservation: original phosphate

Primary reference: A. L. Cione, M. M. Azpelicueta, M. Bond, A. A. Carlini, J. R. Casciotta, M. A. Cozzuol, M. Fuente, Z. Gasparini, F. J. Goin, J. Noriega, G. J. Scillato-Yane, L. Soibelzon, E. P. Tonni, D. Verzi, and M. G. Vucetich. 2000. Miocene vertebrates from Entre Rios province, eastern Argentina. Serie Correlacion Geologica 14:191-237 [M. Uhen/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 55599: authorized by Mark Uhen, entered by Mark Uhen on 01.11.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Chondrichthyes
 Squatiniformes - Squatinidae
Squatina sp. Dumeril 1806 angel shark
 Odontaspidida - Carcharodontidae
"Isurus hastalis" = Cosmopolitodus hastalis
"Isurus hastalis" = Cosmopolitodus hastalis Agassiz 1843 elasmobranch
 Plagiostomi - Squalidae
"Carcharocles megalodon" = Otodus megalodon, Squalus sp.
"Carcharocles megalodon" = Otodus megalodon Agassiz 1843 megalodon
Squalus sp. Linnaeus 1758 dogfish shark
 Myliobatiformes - Dasyatidae
Dasyatidae indet. Jordan 1888 whiptail stingray
 Myliobatiformes -
 Myliobatiformes - Potamotrygonidae
 Lamniformes - Odontaspididae
Carcharias acutissima Agassiz 1843 sand shark
 Carchariniformes - Carcharhinidae
Galeocerdo aduncus Agassiz 1843 tiger shark
Carcharhinus sp. de Blainville 1816 requiem shark
 Carchariniformes - Hemigaleidae
"Hemipristis serra" = Hemipristis heteropleurus
"Hemipristis serra" = Hemipristis heteropleurus Agassiz 1844 ground shark
 Heterodontiformes - Heterodontidae
Heterodontus sp. de Blainville 1816 bullhead shark
Actinopteri
 Acanthomorphata - Sciaenidae
Sciaenidae indet. Cuvier 1828
 Spariformes - Sparidae
? Sparidae indet. Cuvier 1817
"Chrysophrys sp." = Otolithus (Chrysophris) Cuvier 1829
 Labriformes - Labridae
Protautoga longidens Alessandri 1896
Mammalia
 Sirenia - Dugongidae
Dioplotherium sp. Cope 1883 dugong
 Carnivora - Phocidae
"Periptychus argentinus n. sp." = Properiptychus argentinus2, "Properiptychus argentinus" = Properiptychus argentinus2
"Periptychus argentinus n. sp." = Properiptychus argentinus2 Ameghino 1893 seal
"Properiptychus argentinus" = Properiptychus argentinus2 Ameghino 1893 seal
species A
 Cetacea - Balaenopteridae
cf. Balaenoptera sp. Lacépède 1804 rorqual
"tentatively referred to the genus Balaenoptera"
 Cetacea - Balaenidae
Balaenidae indet. Gray 1821 right whale
 Cetacea - Physeteridae
Physeteridae indet. Gray 1821 sperm whale
 Cetacea -
Prionodelphis rovereti n. gen. n. sp.1
Prionodelphis rovereti n. gen. n. sp.1 Frenguelli 1922 toothed whale
 Cetacea - Pontoporiidae
Pontistes rectifrons Bravard 1858 toothed whale