Also known as LACM 4464, LACM 4546, 4547, 4961
Where: Orange County, California (33.7° N, 117.6° W: paleocoordinates 32.9° N, 113.0° W)
• coordinate estimated from map
• local area-level geographic resolution
When: "Topanga" Formation, Langhian (16.0 - 13.8 Ma)
• Howard and Barnes (1987) state that these deposits had been previously called the Topanga Formation, but that the name Topanga Formation is no longer used in this area, but no new formation name has been applied to these deposits.
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•correlated with the Sharktooth Hill Local Fauna; Barstovian NALMA
• group of beds-level stratigraphic resolution
Environment/lithology: marine; coarse-grained, pebbly, gray, yellow sandstone
Size class: macrofossils
Reposited in the LACM
Primary reference: H. Howard and L. G. Barnes. 1987. Middle Miocene marine birds from the foothills of the Santa Ana Mountains, Orange County, California. Contributions in Science, Natural History Museum of Los Angeles County 383:1-9 [J. Alroy/J. Alroy/M. Uhen]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 19595: authorized by John Alroy, entered by John Alroy on 26.03.1995, edited by Mark Uhen and Jonathan Marcot
Creative Commons license: CC BY (attribution)
Taxonomic list
Mammalia | |
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Otariidae indet. eared seal | |
Allodesmus sp. Kellogg 1922 pinniped | |
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""Squalodon" errabundus" = Zarhinocetus errabundus
""Squalodon" errabundus" = Zarhinocetus errabundus Kellogg 1931 toothed whale | |
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Aepycamelus sp. Macdonald 1956 camel | |
Aves | |
Alcodes aff. ulnulus Howard 1968 shorebird | |
Puffinus priscus Miller 1961 shearwater | |
Diomedea ? milleri Howard 1966 albatross | |
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Mergini indet. Bonaparte 1838 seaduck | |
Chondrichthyes | |
Galeocerdo aduncus Agassiz 1835 tiger shark | |
Hemipristis serra Agassiz 1835 ground shark | |
Carcharhinus sp. de Blainville 1816 requiem shark
Negaprion sp. Whitley 1940 lemon shark | |
"Procarcharodon megalodon" = Otodus megalodon
"Procarcharodon megalodon" = Otodus megalodon Agassiz 1835 megalodon | |
Isurus planus Agassiz 1856 mackerel shark
"Isurus hastalis" = Carcharodon hastalis Agassiz 1838 white shark | |
Squalus sericulus dogfish shark | |
Squatina lerichei Jordan and Beal 1910 angel shark | |
Myliobatis sp. Cuvier 1816 eagle ray |