Punta Pequena: Langhian - Serravallian, Mexico
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
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cf. Dermatochelidae indet.
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Domning 1978 | ||||||
Gastropoda
- Turritellidae
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Turritella sp.
Lamarck 1799
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Domning 1978 | ||||||
Bivalvia
- Lucinida
- Lucinidae
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Lucina sp.
Bruguière 1797
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Domning 1978 | ||||||
Bivalvia
- Cardiida
- Veneridae
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Chione sp.
von Mühlfield 1811
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Domning 1978 | ||||||
Echinoidea
- Clypeasteroida
- Dendrasteridae
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cf. Merriamaster pacificus
(Kew 1920)
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Domning 1978 | ||||||
original and current combination Dendraster pacificus | |||||||
Chondrichthyes
- Myliobatiformes
- Myliobatidae
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Myliobatis sp.
Cuvier 1816
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Domning 1978 | ||||||
Chondrichthyes
- Myliobatiformes
- Dasyatidae
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Dasyatis sp.
Rafinesque 1810
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Domning 1978 | ||||||
Chondrichthyes
- Carcharhiniformes
- Carcharhinidae
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Negaprion sp.
Whitley 1940
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Domning 1978 | ||||||
Carcharhinus sp.
de Blainville 1816
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Domning 1978 | ||||||
Chondrichthyes
- Carcharhiniformes
- Hemigaleidae
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Hemipristis serra
Agassiz 1835
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Domning 1978 | ||||||
Chondrichthyes
- Carcharhiniformes
- Galeocerdidae
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Galeocerdo aduncus
(Agassiz 1835)
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Domning 1978 | ||||||
Chondrichthyes
- Lamniformes
- Lamnidae
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Isurus sp.
Rafinesque 1810
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Domning 1978 | ||||||
Chondrichthyes
- Lamniformes
- Alopiidae
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Alopias sp.
Rafinesque 1810
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Domning 1978 | ||||||
Chondrichthyes
- Lamniformes
- Cetorhinidae
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Cetorhinus sp.
de Blainville 1816
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Domning 1978 | ||||||
Chondrichthyes
- Lamniformes
- Otodontidae
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Carcharodon megalodon
(Agassiz 1835)
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Domning 1978 | ||||||
recombined as Otodus megalodon | |||||||
Mammalia
- Perissodactyla
- Desmostylidae
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Desmostylus hesperus
Marsh 1888
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Domning 2008 | ||||||
Mammalia
- Sirenia
- Dugongidae
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Dusisiren reinharti n. sp.
Domning 1978
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Domning 1978 | 1 specimen | |||||
Actinopteri
- Tetraodontiformes
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Oligodiodon cf. vetus
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Domning 1978 | ||||||
Actinopteri
- Carangiformes
- Carangidae
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cf. Caranx sp.
Lacépède 1802
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Domning 1978 | ||||||
see common names |
Geography
Country: | Mexico | State/province: | Baja California Sur |
Coordinates: | 26.2° North, 112.5° West (view map) | ||
Paleocoordinates: | 25.6° North, 108.0° West | ||
Basis of coordinate: | unpublished field data | ||
Geographic resolution: | outcrop |
Time
Period: | Neogene | Epoch: | Miocene |
10 m.y. bin: | Cenozoic 5 | ||
*Period: | Middle Tertiary | *Epoch: | Middle Miocene |
*International age/stage: | Langhian - Serravallian | *Local age/stage: | Vaquerosian - Temblorian |
Key time interval: | Langhian - Serravallian | ||
Age range of interval: | 15.97000 - 11.62000 m.y. ago | ||
* legacy (obsolete) database fields |
Stratigraphy
Formation: | Ysidro |
Lithology and environment
Primary lithology: | gray sandstone |
Lithology description: gray sandstone, in blocky blue clay, specimens in gray sand lenses in clay | |
Environment: | marine indet. |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils |
Preservation of anatomical detail: | good |
Associated major elements: | some |
Collection methods and comments
Reason for describing collection: | taxonomic analysis |
Collection method comments: near ocean shore two or three feet above ocean level |
Metadata
Also known as: | UCMP V5023 | ||
Database number: | 13450 | ||
Authorizer: | M. Uhen | Enterer: | M. Uhen |
Modifier: | M. Uhen | Research group: | marine invertebrate,vertebrate |
Created: | 2002-03-22 12:01:12 | Last modified: | 2019-05-28 19:23:35 |
Access level: | the public | Released: | 2002-03-22 12:01:12 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
10903. | R. H. Reinhart. 1959. A review of the Sirenia and Desmostylia. University of California Publications in Geological Sciences 36(1):1-146 [M. Uhen/M. Uhen/M. Uhen] |
Secondary references:
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] |
30424 | D. P. Domning. 2008. Desmostylia. In C. M. Janis, G. F. Gunnell, M. D. Uhen (eds.), Evolution of Tertiary Mammals of North America, Volume II 640-645 [M. Uhen/M. Uhen] | |
4362 | 5% 35260 | D. Gondar. 1974. La presencia de cetaceos Physteridae en el Terciario Superior ("Rionegrense") de la Provincia de Rio Negro. Actas del Primer Congreso Argentino de Paleontologia y Bioestratigrafia 2:349-356 [M. Uhen/M. Uhen/J. Alroy] |