Autonetics plan (Miocene of the United States)

Also known as LACM 6906J

Where: Orange County, California (33.6° N, 117.7° W: paleocoordinates 33.1° N, 114.9° W)

• coordinate estimated from map

When: Monterey Formation, Tortonian (11.6 - 7.2 Ma)

• probably upper Monterey

Environment/lithology: basinal (); yellow, silty sandstone

• deep Pacific basin
• yellow-orange silty sand

Size class: macrofossils

Preservation: original phosphate

Reposited in the LACM

Primary reference: D. P. Domning. 1978. Sirenian evolution in the North Pacific Ocean. University of California Publications in Geological Sciences 118:1-176 [M. Uhen/M. Uhen/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 52213: authorized by Mark Uhen, entered by Mark Uhen on 01.08.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Actinopteri
 Teleostei -
Mammalia
 Sirenia - Dugongidae
Dusisiren jordani Kellogg 1925 dugong
 Cetacea - Physeteridae
Physeteridae indet. Gray 1821 sperm whale
 Cetacea -
aff. Pithanodelphis sp. Abel 1905 toothed whale
 Cetacea - Cetotheriidae
Cetotheriidae indet. Brandt 1872 whale
 Carnivora - Odobenidae
Imagotaria downsi Mitchell 1968 walrus
 Carnivora - Otariidae
Pithanotaria starri Kellogg 1925 eared seal
Chondrichthyes
 Lamniformes - Lamnidae
Isurus sp. Rafinesque 1810 mackerel shark
 Lamniformes - Cetorhinidae
Cetorhinus sp. de Blainville 1816 basking shark