Glen Canyon Road 1 (Miocene of the United States)

Also known as UCMP V5805, Taylor Quarry, UCMP V6857, LACM 1779, 3255, USGS M1035, UCMP V69141, UCMP V6200

Where: Santa Cruz County, California (37.0° N, 122.0° W: paleocoordinates 36.5° N, 119.2° W)

• coordinate estimated from map

When: Santa Margarita Formation, Tortonian (11.6 - 7.2 Ma)

• late Miocene to early Pliocene (original description of locality); Tortonian after Bossenecker 2011

• formation-level stratigraphic resolution

Environment/lithology: shoreface; white, yellow, silty siltstone

• shoreface to barrier beach, evidence of hypersaline lagoon, "catastrophic conditions" caused deposition of sand body, slopes down into muddy shelf bay
• yellow to white silty sands

Size class: macrofossils

Preservation: original phosphate

Reposited in the LACM

Primary reference: L. G. Barnes. 1972. Miocene Desmatophocinae (Mammalia: Carnivora) from California. University of California Publications in Geological Sciences 89:1-76 [M. Uhen/M. Uhen/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 52184: authorized by Mark Uhen, entered by Mark Uhen on 29.07.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Aves
  -
Aves indet.3 Linnaeus 1758 bird
 Cathartiformes - Cathartidae
cf. Vultur indet.3 Linnaeus 1758 New World vulture
 Procellariiformes - Procellariidae
Puffinus calhouni3 Howard 1968 shearwater
 Suliformes - Sulidae
"Morus lompocanus" = Moris lompocana3, cf. Sula willetti3
"Morus lompocanus" = Moris lompocana3 Miller 1925 gannet
cf. Sula willetti3 Miller 1925 booby
 Charadriiformes - Alcoidae
Praemancalla sp. n. sp.3 Howard 1966 auk
Mammalia
 Sirenia - Dugongidae
Dusisiren jordani3 Kellogg 1925 dugong
 Carnivora - Odobenidae
Imagotaria sp.2 Mitchell 1968 walrus
sp. A
Imagotaria downsi4 Mitchell 1968 walrus
 Carnivora - Otariidae
Pithanotaria starri4 Kellogg 1925 eared seal
 Placentalia -
Cetacea indet.3 Brisson 1762 whale
 Cetacea - Delphinidae
Delphinidae indet.3 Gray 1821 dolphin
 Cetacea - Balaenopteridae
Balaenopteridae indet.3 Gray 1864 rorqual
 Cetacea - Cetotheriidae
Herpetocetinae indet.1 Steeman 2007 whale
cf. Nannocetus sp.3 Kellogg 1929 whale
Actinopteri
 Teleostei -
 Salmoniformes -
Smilodonichthys sp.3 Cavender and Miller 1972 saber toothed salmon
Chondrichthyes
 Heterodontiformes - Heterodontidae
cf. Heterodontus sp.3 de Blainville 1816 bullhead shark
 Lamniformes - Lamnidae
"Isurus hastalis" = Carcharodon hastalis3
"Isurus hastalis" = Carcharodon hastalis3 Agassiz 1838 white shark