Arroyo de la Purisimia: Middle Miocene, Mexico
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Thecostraca
- Balanomorpha
- Balanidae
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Balanus gregarius
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Bivalvia
- Ostreida
- Gryphaeidae
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Ostrea loeli
Hertlein 1928
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recombined as Pycnodonte loeli | ||||||||||
Bivalvia
- Pectinida
- Anomiidae
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Anomia vaquerosensis
Loel and Corey 1932
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Bivalvia
- Pectinida
- Spondylidae
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Spondylus perrini
Wiedey 1928
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Bivalvia
- Pectinida
- Pectinidae
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Amusium lompocensis
(Arnold 1906)
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recombined as Amussium lompocensis | ||||||||||
Lyropecten miguelensis
(Arnold 1906)
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Bivalvia
- Arcida
- Glycymerididae
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Glycymeris sp.
Da Costa 1778
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Bivalvia
- Cardiida
- Veneridae
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Chione richthofeni
Hertlein and Jordan 1927
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recombined as Chione (Chionopsis) richthofeni | ||||||||||
Bivalvia
- Cardiida
- Ungulinidae
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Diplodonta sp.
Bronn 1831
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Gastropoda
- Neogastropoda
- Muricidae
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Rapana vaquerosensis
(Arnold 1908)
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recombined as Califrapana vaquerosensis | ||||||||||
Gastropoda
- Neogastropoda
- Olividae
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Oliva sp.
Bruguière 1789
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Gastropoda
- Epitoniidae
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Epitonium (Asperiscala) sp.
(de Boury 1909)
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Gastropoda
- Turritellidae
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Turritella temblorensis
Wiedey 1928
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Turritella inezana
Conrad 1857
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subspecies bicarina | ||||||||||
Turritella ocoyana
Conrad 1855
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subspecies wittichi | ||||||||||
Mammalia
- Sirenia
- Dugongidae
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Dioplotherium allisoni
(Kilmer 1965)
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Chondrichthyes
- Lamniformes
- Lamnidae
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Carcharodon sp.
Smith 1838
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see common names |
Geography
Country: | Mexico | State/province: | Baja California |
Coordinates: | 26.3° North, 112.0° West (view map) | ||
Paleocoordinates: | 25.8° North, 107.5° West | ||
Basis of coordinate: | stated in text |
Time
Period: | Neogene | Epoch: | Miocene |
10 m.y. bin: | Cenozoic 5 | ||
Key time interval: | Middle Miocene | ||
Age range of interval: | 15.97000 - 11.60800 m.y. ago |
Stratigraphy
Formation: | Ysidro | ||||
Stratigraphic resolution: | member | ||||
Stratigraphy comments: early middle Miocene, San Raymundo Formation of Mina (1957) |
Lithology and environment
Primary lithology: | brown,blue lithified calcareous sandstone |
Includes fossils? | Y |
Lithology description: hard, limy bluish-brown sandstones with abundant marine inverts and bone | |
Environment: | marine indet. |
Taphonomy
Modes of preservation: | body,original phosphate |
Size of fossils: | macrofossils |
Collection methods and comments
Reason for describing collection: | taxonomic analysis |
Metadata
Also known as: | UCMP V5733 | ||
Database number: | 52181 | ||
Authorizer: | M. Uhen | Enterer: | M. Uhen |
Modifier: | M. Uhen | Research group: | marine invertebrate,vertebrate |
Created: | 2005-07-29 12:53:22 | Last modified: | 2019-05-28 19:25:46 |
Access level: | the public | Released: | 2005-07-29 12:53:22 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
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] |
Secondary references:
52088 | L. G. Barnes. 2002. Evolutionary history of the fossil marine mammals of Mexico. In M. M. Ballesteros, J. A. Cabrales (eds.), Advances en los Estudios Paleomastozoologicos en Mexico 125-225 [M. Uhen/M. Uhen] |