Cerro de Palotes: Kimmeridgian, Mexico
collected 1980

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia - Ophthalmosauridae
Ophthalmosauridae indet. Andrews 1910
1 specimen
IGM 0001
    = Acuetzpalin carranzai n. gen., n. sp. Barrientos-Lara and Alvarado-Ortega 2020
Barrientos-Lara and Alvarado-Ortega 2020
see common names

Geography
Country:Mexico State/province:Durango
Coordinates: 24.7° North, 103.5° West (view map)
Paleocoordinates:20.1° North, 53.6° West
Basis of coordinate:stated in text
Geographic resolution:small collection
Time
Period:Jurassic Epoch:Late/Upper Jurassic
Stage:Kimmeridgian 10 m.y. bin:Jurassic 5
Key time interval:Kimmeridgian
Age range of interval:154.80000 - 149.20000 m.y. ago
Stratigraphy
Formation:La Casita
Stratigraphic resolution:bed
Lithology and environment
Primary lithology:gray lithified siltstone
Secondary lithology:red,white lithified "limestone"
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Temporal resolution:snapshot
Spatial resolution:autochthonous
Collection methods and comments
Collection methods:survey of museum collection
Reason for describing collection:taxonomic analysis
Collection dates:1980
Collection method comments: In 1980, one ichthyosaur specimens from the Cerro de Palotes was prepared to be included in the exhibition of the Museo de GeologĂ­a of the UNAM; this was not properly studied then.
Metadata
Also known as:near Cuencamé
Database number:207509
Authorizer:G. Lloyd, M. Carrano Enterer:G. Lloyd, M. Carrano
Modifier:M. Carrano Research group:vertebrate
Created:2020-01-15 12:23:35 Last modified:2022-07-01 12:30:48
Access level:the public Released:2020-01-15 12:23:35
Creative Commons license:CC BY
Reference information

Primary reference:

82056. E. Frey and W. Stinnesbeck. 2014. Mexican ichthyosaurs. In H. E. Rivera-Sylva, K. Carpenter, & E. Frey (eds.), Dinosaurs and Other Reptiles from the Mesozoic of Mexico 99-109 [M. Carrano/M. Carrano]

Secondary references:

71507 J. I. Barrientos-Lara and J. Alvarado-Ortega. 2020. Acuetzpalin carranzai gen et sp. nov. A new ophthalmosauridae (Ichthyosauria) from the Upper Jurassic of Durango, North Mexico. Journal of South American Earth Sciences 98:102456-102456 [G. Lloyd/G. Lloyd/P. Wagner]