El Toro: Hemphillian, California
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
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Delphinidae indet.
Gray 1821
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Barnes 1977 | |||||||||
LACM 52147 | ||||||||||
= Odontoceti indet.
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Murakami et al. 2014 | |||||||||
Mammalia
- Sirenia
- Dugongidae
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Dioplotherium allisoni
(Kilmer 1965)
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Domning 1978 | |||||||||
Mammalia
- Carnivora
- Canidae
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Osteoborus sp.
Stirton and VanderHoof 1933
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= Borophagus sp.
Cope 1892
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Alroy 2002 | |||||||||
Mammalia
- Cetacea
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Mysticeti indet.
Cope 1891
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Barnes 1977 | |||||||||
LACM 40930, 66321 | ||||||||||
Odontoceti indet.
Flower 1867
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Barnes 1977 | |||||||||
LACM 27289, 62300, 65674 | ||||||||||
Mammalia
- Cetacea
- Ziphiidae
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Ziphiidae indet.
Gray 1850
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Barnes 1977 | |||||||||
LACM 52148 | ||||||||||
Mammalia
- Cetacea
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Liolithax sp.
Kellogg 1931
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Barnes 1977 | |||||||||
LACM 30160 | ||||||||||
Mammalia
- Cetacea
- Monodontidae
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Delphinapterinae indet.
Gill 1871
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Barnes 1977 | |||||||||
LACM 27290 | ||||||||||
Mammalia
- Cetacea
- Phocoenidae
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Loxolithax stocktoni
Wilson 1973
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Barnes 1977 | |||||||||
recombined as Salumiphocaena stocktoni | ||||||||||
LACM 65668-65673 | ||||||||||
Mammalia
- Cetacea
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aff. Pithanodelphis sp.
Abel 1905
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Barnes 1977 | |||||||||
LACM 26635, 29087, 30093) | ||||||||||
Mammalia
- Cetacea
- Kentriodontidae
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aff. Kampholophos sp.
Rensberger 1969
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Barnes 1977 | |||||||||
LACM 65677, 65678 | ||||||||||
Mammalia
- Cetacea
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Scaldicetus sp.
Du Bus 1867
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Barnes 1977 | |||||||||
LACM 4088, 65653-65663 | ||||||||||
Mammalia
- Perissodactyla
- Equidae
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Pliohippus sp.
Marsh 1874
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Bivalvia
- Pholadida
- Myidae
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Mya dickersoni
Clark 1915
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Domning 1978 | |||||||||
recombined as Mya (Arenomya) dickersoni | ||||||||||
Bivalvia
- Cardiida
- Mactridae
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Pseudocardium densatum
(Conrad 1856)
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Domning 1978 | |||||||||
Bivalvia
- Cardiida
- Tellinidae
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Macoma secta
(Conrad 1837)
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Domning 1978 | |||||||||
recombined as Rexithaerus secta | ||||||||||
Bivalvia
- Pectinida
- Pectinidae
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Pecten (Lyropecten) crassicardo
(Conrad 1856)
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Arnold 1906 | |||||||||
recombined as Lyropecten crassicardo | ||||||||||
Pecten (Lyropecten) estrellanus
(Conrad 1856)
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Arnold 1906 | |||||||||
recombined as Nodipecten estrellanus | ||||||||||
see common names |
Geography
Country: | United States | State/province: | California | County: | Orange |
Coordinates: | 33.6° North, 117.8° West (view map) | ||||
Paleocoordinates: | 33.2° North, 115.3° West | ||||
Basis of coordinate: | based on political unit |
Time
Period: | Neogene | ||
10 m.y. bin: | Cenozoic 6 | ||
*Period: | Tertiary | *Epoch: | Miocene | *Local age/stage: | Hemphillian |
Key time interval: | Hemphillian | ||
Age range of interval: | 9.40000 - 4.70000 m.y. ago | ||
* legacy (obsolete) database fields |
Stratigraphy
Formation: | Monterey | ||||
Stratigraphy comments: said to be Hemphillian, Barnes (1977) clarifies that the formation at this locality is Monterey not Capistrano as originally stated by Savage and Barnes (1972). |
Lithology and environment
Primary lithology: | "shale" |
Includes fossils? | Y |
Environment: | marginal marine indet. |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils |
Collection methods and comments
Collection excludes: | some genera |
Reason for describing collection: | general faunal/floral analysis |
Metadata
Database number: | 19342 | ||
Authorizer: | J. Alroy, M. Uhen | Enterer: | J. Alroy, M. Uhen |
Modifier: | M. Uhen | Research group: | vertebrate |
Created: | 1995-03-26 00:00:00 | Last modified: | 2020-03-18 18:19:01 |
Access level: | the public | Released: | 1995-03-26 00:00:00 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
1257. | S. W. Conkling. 1991. Report on a new Hemphillian (Miocene) fauna from the El Toro area of Orange County, California, and a comparison of it with Hemphillian faunas from the Mojave Desert. San Bernardino County Museum Association Quarterly 38(2):1-46 [J. Alroy/J. Alroy/M. Uhen] |
Secondary references:
6294 | J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari] | |
71229 | R. Arnold. 1906. Tertiary and Quaternary pectens of California. USGS Professional Paper 47:1-264 [M. Uhen/M. Uhen] | |
12297 | L. G. Barnes. 1977. Outline of eastern North Pacific fossil cetacean assemblages. Systematic Zoology 25(4):321-343 [M. Uhen/M. Uhen/M. Uhen] | |
6029 | 5% 34240 | 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] |
51115 | M. Murakami, C. Shimada, Y. Hikidad, Y. Soedae, and H. Hirano. 2014. Eodelphis kabatensis, a new name for the oldest true dolphin Stenella kabatensis Horikawa, 1977 (Cetacea, Odontoceti, Delphinidae), from the upper Miocene of Japan, and the phylogeny and paleobiogeography of Delphinoidea. Journal of Vertebrate Paleontology 34(3):491-511 [M. Uhen/M. Uhen] |