NMMNH locality 6258: Late/Upper Campanian, New Mexico
collected by University of Arizona field party 1975

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia - Ceratopsidae
Pentaceratops sternbergii Osborn 1923
1 individual
UA 13342 ( = NMMNH P-50000)
    = Bisticeratops froeseorum n. gen., n. sp. Dalman et al. 2022
Dalman et al. 2022
NMMNH P-50000 (formerly UALP 13342) - holotype (nearly complete skull)
see common names

Geography
Country:United States State/province:New Mexico County:San Juan
Coordinates: 36.3° North, 108.1° West (view map)
Paleocoordinates:43.6° North, 79.4° West
Basis of coordinate:stated in text
Altitude:1889 meters
Geographic resolution:small collection
Time
Period:Cretaceous Epoch:Late/Upper Cretaceous
Stage:Campanian 10 m.y. bin:Cretaceous 7
Key time interval:Late/Upper Campanian
Age range of interval:83.50000 - 70.60000 m.y. ago
Stratigraphy
Formation:Kirtland Member:Farmington
Stratigraphic resolution:bed
Stratigraphy comments: upper part of the Farmington Member of the Kirtland Formation, about 74 Ma
Lithology and environment
Primary lithology:gray "shale"
Secondary lithology: sandstone
Includes fossils?Y
Lithology description: "gray shales with interbedded lenses of sandstone and mudstone"
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Articulated whole bodies:none
Associated major elements:all
Disassociated major elements:none
Disassociated minor elements:none
Fragmentation:occasional
Temporal resolution:snapshot
Collection methods and comments
Collection methods:selective quarrying,mechanical,field collection
Reason for describing collection:taxonomic analysis
Museum repositories:NMMNH
Collectors:University of Arizona field party Collection dates:1975
Metadata
Also known as:Alamo Mesa; Bisti/De-na-zin Federal Wilderness area
Database number:34828
Authorizer:M. Carrano, P. Mannion Enterer:M. Carrano, P. Mannion
Modifier:M. Carrano Research group:vertebrate
Created:2003-10-03 08:47:35 Last modified:2023-05-08 15:23:40
Access level:the public Released:2003-10-03 08:47:35
Creative Commons license:CC BY
Reference information

Primary reference:

9303. T. Rowe, E. H. Colbert, and J. D. Nations. 1981. The occurrence of Pentaceratops (Ornithischia: Ceratopsia) with a description of its frill. Advances in San Juan Basin Paleontology, S. G. Lucas, J. K. Rigby Jr., and B. S. Kues (eds.), University of New Mexico Press, Albuquerque 29-48 [M. Carrano/M. Carrano/M. Carrano]

Secondary references:

82389 S. G. Dalman, S. E. Jasinski, and S. G. Lucas. 2022. A new chasmosaurine ceratopsid from the Upper Cretaceous (Campanian) Farmington Member of the Kirtland Formation, New Mexico. New Mexico Museum of Natural History and Science Bulletin 90:127-153 [P. Mannion/P. Mannion]
84668 J. J. Fry. 2015. Redescription of a Specimen of Pentaceratops (Ornithischia: Ceratopsidae) And Phylogenetic Evaluation of Five Referred Specimens from the Upper Cretaceous of New Mexico 1-91 [M. Carrano/M. Carrano]
14625ETE T. M. Lehman. 1993. New data on the ceratopsian dinosaur Pentaceratops sternbergii Osborn from New Mexico. Journal of Paleontology 67(2):279-288 [M. Carrano/K. Maguire/M. Carrano]