Rio Negro (Miocene of Argentina)

Where: Argentina (41.1° S, 65.2° W: paleocoordinates 41.2° S, 63.4° W)

• coordinate based on political unit

• local area-level geographic resolution

When: Messinian (7.2 - 5.3 Ma)

• "Rionegrense"

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Primary reference: D. Gondar. 1974. La presencia de cetaceos Physteridae en el Terciario Superior ("Rionegrense") de la Provincia de Rio Negro. Actas del Primer Congreso Argentino de Paleontologia y Bioestratigrafia 2:349-356 [M. Uhen/M. Uhen/J. Alroy]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 13092: authorized by Mark Uhen, entered by Mark Uhen on 21.01.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Cetacea - Ziphiidae
Ziphiidae indet.2 Gray 1850 beaked whale
It is not clear where this specimen is from.
 Cetacea -
"Aulophyseter rionegrensis n. sp." = Cozzuoliphyseter rionegrensis
"Aulophyseter rionegrensis n. sp." = Cozzuoliphyseter rionegrensis Gondar 1974 toothed whale
Bivalvia
 Pectinida - Pectinoidae
"Pecten patagonensis" = Chesapecten patagonensis1
"Pecten patagonensis" = Chesapecten patagonensis1 d'Orbigny 1842 scallop
 Ostreida - Ostreidae
"Ostrea patagonica" = Crassostrea patagonica1, "Ostrea ferrarisi" = Crassostrea patagonica1, "Ostrea alvarezii" = Cubitostrea alvarezii1
"Ostrea patagonica" = Crassostrea patagonica1 d'Orbigny 1842 oyster
"Ostrea ferrarisi" = Crassostrea patagonica1 d'Orbigny 1842 oyster
"Ostrea alvarezii" = Cubitostrea alvarezii1 d'Orbigny 1842 oyster
 Arcida - Arcidae
"Arca bonplandiana" = Potiarca bonplandiana1
"Arca bonplandiana" = Potiarca bonplandiana1 d'Orbigny 1842 ark
 Cardiida - Veneridae
Venus munsteri1 venus clam