LACM 1945: Langhian - Serravallian, California

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia - Anseriformes - Anatidae
Presbychen abavus Wetmore 1930
Howard 1968 3 specimens
Anserinae indet. Vigors 1825
Howard 1968 1 specimen
Reptilia - Suliformes - Sulidae
Sulidae indet. Reichenbach 1849
Howard 1968 2 specimens
? Miosula sp. Miller 1925
Howard 1968 9 specimens
Morus lompocanus (Miller 1925)
Howard 1968 1 specimen
recombined as Moris lompocana
Microsula sp. (Wetmore 1938)
Howard 1968 3 specimens
Reptilia - Diomedeidae
Diomedea sp. Linnaeus 1758
Howard 1968 2 specimens
Reptilia - Procellariidae
Puffinus sp. Brisson 1760
Howard 1968 58 specimens
Puffinus priscus Miller 1961
Howard 1968 3 specimens
Puffinus calhouni n. sp. Howard 1968
Howard 1968 6 specimens
Fulmarus hammeri n. sp. Howard 1968
Howard 1968 2 specimens
Reptilia - Odontopterygiformes - Pelagornithidae
Osteodontornis orri Howard 1957
Howard 1968 1 specimen
Reptilia - Charadriiformes
Alcodes ulnulus n. sp. Howard 1968
Howard 1968 4 specimens
nomen dubium belonging to Panalcidae
Reptilia - Charadriiformes - Alcidae
Alcidae sp. Leach 1820
Howard 1968 5 specimens
Praemancalla lagunensis n. gen., n. sp. Howard 1966
6 specimens
nomen dubium belonging to Mancallinae
Aethia rossmoori n. sp. Howard 1968
Howard 1968 2 specimens
nomen dubium belonging to Aethia
Cerorhinca sp. Bonaparte 1828
Howard 1968 2 specimens
Alca sp. Linnaeus 1758
Howard 1968 2 specimens
Mammalia - Sirenia - Dugongidae
Dusisiren sp. Domning 1978
Parham et al. 2022 29 specimens
Mammalia - Perissodactyla
Desmostylia indet. Reinhart 1953
Mammalia - Perissodactyla - Desmostylidae
Desmostylus sp. Marsh 1888
Parham et al. 2022 2 specimens
Mammalia - Cetacea
Odontoceti indet. Flower 1867
Parham et al. 2022 1 specimen
Mammalia - Cetacea - Ziphiidae
aff. Messapicetus sp. Bianucci et al. 1992
Parham et al. 2022 1 specimen
Mammalia - Cetacea
Panphyseteroidea indet. Velez-Juarbe et al. 2015
Parham et al. 2022 12 specimens
Delphinoidea sp. Flower 1865
Parham et al. 2022 2 specimens
Mammalia - Cetacea - Monodontidae
Monodontidae indet. Gray 1821
Parham et al. 2022 1 specimen
Mammalia - Cetacea - Albireonidae
Albireonidae indet. Barnes 1984
Parham et al. 2022 1 specimen
Mammalia - Cetacea - Phocoenidae
Phocoenidae indet. (Gray 1825)
Parham et al. 2022 4 specimens
Mammalia - Cetacea - Kentriodontidae
aff. Kampholophos sp. Rensberger 1969
Parham et al. 2022 2 specimens
Mammalia - Cetacea
Mysticeti indet. Cope 1891
Parham et al. 2022 10 specimens
Mammalia - Cetacea - Cetotheriidae
Cetotheriidae indet. (Brandt 1872)
Parham et al. 2022 1 specimen
Mammalia - Carnivora - Odobenidae
Odobenidae indet. (Allen 1880)
Parham et al. 2022 42 specimens
Mammalia - Carnivora - Otariidae
aff. Pithanotaria sp. Kellogg 1925
Parham et al. 2022 6 specimens
Mammalia - Carnivora - Desmatophocidae
Allodesmus sp. Kellogg 1922
Parham et al. 2022 17 specimens
Chondrichthyes
Chondrichthyes indet. Huxley 1880
see common names

Geography
Country:United States State/province:California County:Orange
Coordinates: 33.6° North, 117.7° West (view map)
Paleocoordinates:32.9° North, 113.3° West
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Time
Period:Neogene Epoch:Miocene
10 m.y. bin:Cenozoic 5
Key time interval:Langhian - Serravallian
Age range of interval:15.98000 - 11.63000 m.y. ago
Stratigraphy
Formation:Monterey Member:lower
Stratigraphy comments: Late Miocene?
Lithology and environment
Primary lithology:diatomaceous siltstone
Includes fossils?Y
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Metadata
Also known as:Leisure World
Database number:121152
Authorizer:M. Uhen Enterer:M. Uhen
Modifier:M. Uhen Research group:vertebrate
Created:2011-11-29 07:54:20 Last modified:2022-05-02 14:37:56
Access level:the public Released:2011-11-29 07:54:20
Creative Commons license:CC BY
Reference information

Primary reference:
38666. H. Howard. 1966. A possible ancestor of the Lucas Auk (Family Mancallidae) from the Tertiary of Orange County, California. Los Angeles County Museum Contributions in Science 101:1-8 [M. Uhen/M. Uhen]

Secondary references:

38669 H. Howard. 1968. Tertiary birds from Laguna Hills, Orange County, California. Los Angeles County Museum Contributions in Science 142:1-21 [M. Uhen/M. Uhen]
81499 J. F. Parham, J. A. Barron, and J. Velez-Juarbe. 2022. Middle and late Miocene marine mammal assemblages from the Monterey Formation of Orange County, California. Geological Society of America Special Paper 556 [M. Uhen/M. Uhen]