Lawrence Canyon 5: Tortonian, California

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
aff. Stenodelphis sternbergi Gregory and Kellogg 1927
    = Odontoceti indet.
Barnes 1985
Barnes does not include this specimen in his reference list in Barnes 1985, so it is unclear what this specimen represents.
Mammalia - Sirenia - Dugongidae
Hydrodamalis cuestae Domning 1978
Mammalia - Perissodactyla - Equidae
Pliohippus sp. Marsh 1874
possibly Dinohippus
    = Equini indet. Quinn 1955
Alroy 2011
Mammalia - Cetacea - Cetotheriidae
Nannocetus sp. Kellogg 1929
Mammalia - Cetacea - Balaenopteridae
Balaenopteridae indet. Gray 1864
Domning 1978
Mammalia - Camelidae
Camelinae indet. Gray 1821
Mammalia - Carnivora - Odobenidae
Odobeninae indet. Allen 1880
Mammalia - Carnivora - Otariidae
Otariinae indet. Gray 1825
Reptilia - Charadriiformes - Alcidae
Cepphus sp. Moehring 1758
Cepphus olsoni n. sp. Howard 1982
Howard 1982 1 specimen
Praemancalla cf. wetmorei Howard 1976
Howard 1982
recombined as Miomancalla wetmorei
Praemancalla sp. Howard 1966
nomen dubium belonging to Mancallinae
Uria sp. Brisson 1760
Uria paleohesperis n. sp. Howard 1982
Howard 1982 1 specimen
? Aethia sp. Merrem 1788
Howard 1982
Aethia sp. Merrem 1788
    = Aethia barnesi n. sp. Smith 2014
Smith 2014
Reptilia - Falconidae
? Falconidae indet. Vigors 1824
Reptilia - Gaviidae
Gavia sp. Forster 1788
Reptilia - Procellariiformes
cf. Procellariiformes indet. Fürbringer 1888
Domning 1978
Reptilia - Diomedeidae
Diomedea sp. Linnaeus 1758
Actinopteri - Istiophoriformes - Istiophoridae
Istiophoridae indet.
Actinopteri - Labriformes - Labridae
cf. Pimelometopon sp. Gill 1864
synonym of Semicossyphus
Actinopteri - Salmoniformes - Salmonidae
Smilodonichthys rastrosus Cavender and Miller 1972
recombined as Oncorhynchus rastrosus
Chondrichthyes - Myliobatiformes
Myliobatoidea indet.
Chondrichthyes - Lamniformes - Lamnidae
Isurus oxyrhynchus (Rafinesque 1810)
original and current combination Isurus oxyrinchus
Carcharodon sulcidens (Agassiz 1835)
synonym of Carcharodon carcharias
Isurus cf. hastalis (Agassiz 1838)
recombined as Carcharodon hastalis
see common names

Geography
Country:United States State/province:California County:San Diego
Coordinates: 33.2° North, 117.4° West (view map)
Paleocoordinates:32.7° North, 114.5° West
Basis of coordinate:unpublished field data
Geographic resolution:outcrop
Time
Period:Neogene Epoch:Miocene
Stage:Tortonian 10 m.y. bin:Cenozoic 6
Key time interval:Tortonian
Age range of interval:11.63000 - 7.24600 m.y. ago
Stratigraphy
Formation:San Mateo
Stratigraphic resolution:member
Stratigraphy comments: The San Luis Rey River Local Fauna of the San Mateo Formation is correlative with the early Hemphillian and possibly latest Clarendonian North American Land Mammal Age (Domning and Deméré 1984), and late Tortonian (Europe/Asia), approximately 7–9 Ma.
Lithology and environment
Primary lithology: sandstone
Includes fossils?Y
Environment:estuary/bay
Geology comments: estuarine to fluvial
Taphonomy
Modes of preservation:body,original phosphate
Size of fossils:macrofossils
Collection methods and comments
Collection methods:surface (in situ),field collection
Reason for describing collection:general faunal/floral analysis
Museum repositories:LACM,UCMP
Taxonomic list comments:San Luis Rey River Local Fauna
Metadata
Also known as:LACM 4297, V68147
Database number:50069
Authorizer:M. Uhen, J. Alroy Enterer:M. Uhen, J. Alroy
Modifier:M. Clapham Research group:vertebrate
Created:2005-05-05 12:37:28 Last modified:2018-07-17 11:11:16
Access level:the public Released:2005-05-05 12:37:28
Creative Commons license:CC BY
Reference information

Primary reference:
13448. L. G. Barnes, H. Howard, J. H. Hutchison and B. J. Welton. 1981. The vertebrate fossils of the marine Cenozoic San Mateo Formation at Oceanside, California. Geologic Investigations of the Coastal Plain 53-70 [M. Uhen/M. Uhen/M. Uhen]

Secondary references:

35631 J. Alroy. 2011. Further attempts at halting the inevitable backwards progress of bad taxonomy. [J. Alroy/J. Alroy]
11877 L. G. Barnes. 1985. Fossil pontoporiid dolphins (Mammalia: Cetacea) from the Pacific Coast of North America. Contributions in Science 363:1-34 [M. Uhen/M. Uhen/M. Uhen]
60295% 34240D. 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]
1369 D. P. Domning and T. A. Deméré. 1984. New material of Hydrodamalis cuestae (Mammalia: Dugongidae) from the Miocene and Pliocene of San Diego County, California. Transactions of the San Diego Society of Natural History 20(12):169-188 [J. Alroy/J. Alroy/M. Uhen]
1945 H. Howard. 1982. Fossil birds from Tertiary marine beds at Oceanside, San Diego County, California, with discriptions of two species of the genera Uria and Cepphus (Aves: Alcidae). Contributions in Science, Natural History Museum of Los Angeles County 341:1-15 [J. Alroy/J. Alroy/M. Uhen]
50949 N. A. Smith. 2014. The fossil record and phylogeny of the auklets (Pan-Alcidae, Aethiini). Journal of Systematic Palaeontology 12(2):217-236 [M. Uhen/M. Uhen]