Punta San Telmo (Oligocene of Mexico)

Also known as Timbabichi

Where: Baja California Sur, Mexico (25.2° N, 110.9° W: paleocoordinates 24.0° N, 102.6° W)

• coordinate estimated from map

When: Timbabichi Member (El Cien Formation), Chattian (28.1 - 23.0 Ma)

• originally listed as San Hilario Member

Environment/lithology: shallow subtidal; phosphatic sandstone and shale

• tropical, near rainforest; high terrigenous influx, short-term coastal regression

Size class: macrofossils

Preservation: original phosphate

Primary reference: S. P. Applegate. 1986. The El Cien Formation, Strata of Oligocene and early Miocene age in Baja California Sur. Revista 6(2):145-162 [M. Uhen/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 66429: authorized by Mark Uhen, entered by Mark Uhen on 09.10.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

• The author lists Balaenidae in the fauna, but refers to these as "Primitive tooth-bearing Mysticetes", which is cleary in error.
 Perissodactyla - Desmostylidae
Cornwallius sookensis2 Cornwall 1922 desmostylian
 Cetacea -
 Mysticeti - Aetiocetidae
Aetiocetidae indet.1 Emlong 1966 whale
 Mysticeti - Cetotheriidae
Cetotheriidae indet.1 Brandt 1872 whale
 Odontoceti - Waipatiidae
Waipatiidae indet.1 Fordyce 1994 toothed whale