Mesa Los Indios (Miocene of Mexico)

Where: Baja California del Norte, Mexico (32.1° N, 116.8° W: paleocoordinates 31.5° N, 112.7° W)

• coordinate estimated from map

When: Rosarito Beach Formation, Serravallian (13.8 - 11.6 Ma)

Environment/lithology: offshore shelf; lithology not reported

• range from fluvatile and lacustrine to shallow open marine shelf

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: taxonomic analysis

PaleoDB collection 57777: authorized by Mark Uhen, entered by Mark Uhen on 22.12.2005, edited by Catalina Pimiento

Creative Commons license: CC BY (attribution)

Taxonomic list

Chondrichthyes
 Lamniformes - Otodontidae
Carcharocles megalodon Agassiz 1843 megalodon
Specimens studied from the SDNHM collections
Mammalia
 Perissodactyla - Desmostylidae
aff. Desmostylus sp. Marsh 1888 desmostylian
 Carnivora - Odobenidae
aff. Neotherium sp. Kellogg 1931 walrus
 Sirenia - Dugongidae
Dugongidae indet. Gray 1821 dugong
 Balaenopteroidea -
aff. Tiphyocetus sp. Kellogg 1931 whale
 Odontoceti - Kentriodontidae
Kentriodontidae indet. Slijper 1936 toothed whale