Avilla Beach W (Pliocene of the United States)

Also known as UCMP V70148, UCMP V6616

Where: San Luis Obispo County, California (35.2° N, 120.7° W: paleocoordinates 35.0° N, 119.8° W)

• coordinate based on unpublished field data

• outcrop-level geographic resolution

When: Squire Member (Pismo Formation), Piacenzian (3.6 - 2.6 Ma)

• 3-2 Ma, Blancan

Environment/lithology: offshore shelf; poorly lithified, coarse-grained, yellow sandstone

• high sedimentation rate, shallow-to-deep shelf, upwelling
• coarse-grained, yellowish colored, firm but not indurated sandstone that contains rounded cobbles

Size class: macrofossils

Reposited in the UCMP

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 13451: authorized by Mark Uhen, entered by Mark Uhen on 22.03.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

Aves
 Gaviiformes - Gaviidae
Gavia cf. concinna Wetmore 1940 loon
Mammalia
 Sirenia - Dugongidae
Hydrodamalis cuestae n. sp. Domning 1978 Cuesta sea cow
 Perissodactyla - Equidae
Equus sp. Linnaeus 1758 horse
 Cetacea -
Odontoceti indet. Flower 1867 toothed whale
 Cetacea - Albireonidae
Albireo savagei n. sp. Barnes 2008 toothed whale
 Cetacea - Balaenopteridae
Balaenopteridae indet. Gray 1864 rorqual
 Carnivora - Otariidae
Otariidae indet. eared seal
Bivalvia
 Pectinida - Pectinoidae
Lyropecten cerrosensis Gabb 1866 scallop