Santa Rosalia, Pliocene (Pliocene of Mexico)

Also known as IGM Loc 81

Where: Baja California Sur, Mexico (27.3° N, 112.3° W: paleocoordinates 27.1° N, 111.0° W)

• coordinate estimated from map

When: Tirabuzon Formation, Pliocene (5.3 - 2.6 Ma)

• middle Pliocene

Environment/lithology: open shallow subtidal; lithology not reported

• high energy, warm water

Size class: macrofossils

Primary reference: L. G. Barnes. 1998. The sequence of fossil marine mammal assemblages in Mexico. Avances en investigacion 1 [M. Uhen/M. Uhen/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 57779: authorized by Mark Uhen, entered by Mark Uhen on 22.12.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Pectinida - Pectinoidae
"Pecten (Plagioctenium) cerrosensis" = Lyropecten cerrosensis1
"Pecten (Plagioctenium) cerrosensis" = Lyropecten cerrosensis1 Gabb 1866 scallop
n. subspecies mendenhalli
Mammalia
 Cetacea - Physeteridae
Physeteridae indet. Gray 1821 sperm whale
 Cetacea - Kogiidae
Kogiidae indet.3 Miller 1923 pygmy sperm whale
cf. Scaphokogia sp. Muizon 1988 pygmy sperm whale
 Cetacea - Pontoporiidae
aff. Pontoporia sp. Gray 1846 toothed whale
 Cetacea - Delphinidae
Stenella sp.2 Gray 1866 dolphin
or Stenella according to 15591
 Cetacea - Phocoenidae
Phocoeninae indet. Gray 1825 porpoise
 Cetacea - Balaenopteridae
Balaenopterinae indet. Flower 1865 rorqual
 Carnivora - Otariidae
Otariinae indet. Gray 1825 eared seal