UCMP V99854, San Gregorio section, Half Moon Bay (Miocene of the United States)

Where: San Mateo County, California (37.3° N, 122.4° W: paleocoordinates 36.9° N, 120.5° W)

• coordinate based on nearby landmark

When: Purisima Formation, Messinian (7.2 - 5.3 Ma)

• Powell et al 2007 suggest a Pliocene age

• group of beds-level stratigraphic resolution

Environment/lithology: coastal; lithified sandstone

• strong influence of physical processes (waves, etc.)

Size class: macrofossils

Reposited in the UCMP

Primary reference: R. W. Boessenecker. 2011. A new marine vertebrate assemblage from the Late Neogene Purisima Formation in Central California, Part I: Fossil sharks, bony fish, birds, and implications for the age of the Purisimia Formation west of the San Gregorio Fault. PalArch's Journal of Vertebrate Palaeontology 8(4):1-30 [M. Uhen/M. Uhen/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 184950: authorized by Matthew Clapham, entered by Matthew Clapham on 01.04.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

 Rajiformes - Rajidae
"Raja cf. binoculata" = Beringraja binoculata
"Raja cf. binoculata" = Beringraja binoculata Girard 1855 skate
 Lamniformes - Cetorhinidae
Cetorhinus maximus Gunner 1765 basking shark
 Cetacea - Cetotheriidae
Herpetocetus bramblei Whitmore and Barnes 2008 whale
 Cetacea -
Odontoceti indet. toothed whale
 Cetacea - Phocoenidae
Phocoenidae "indet. 2" Gray 1825 porpoise