Alamo Mesa West, San Juan (USNM): Late/Upper Campanian, New Mexico
collected by G. F. Sternberg 1929

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia - Testudines - Adocidae
Adocus bossi Gilmore 1919
Gilmore 1935
four specimens found "close together" in the same quarter township/range as the Pentaceratops specimen in the same year (1929)
Reptilia - Ceratopsidae
Ceratopsidae indet. Marsh 1888
2 specimens
"a horned dinosaur of the Chasmosaurus type" (1 measurement)
    = Pentaceratops sp. Osborn 1923
Lull 1933
    = Pentaceratops sternbergii Osborn 1923
Gilmore 1935
USNM 12002, 12743
    = Pentaceratops sp. Osborn 1923
Lehman 1993
see common names

Geography
Country:United States State/province:New Mexico County:San Juan
Coordinates: 36.3° North, 108.2° West (view map)
Paleocoordinates:43.6° North, 79.6° West
Basis of coordinate:stated in text
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:83.60000 - 72.10000 m.y. ago
Stratigraphy
Formation:Kirtland
Stratigraphic resolution:bed
Stratigraphy comments: lower Kirtland
Lithology and environment
Primary lithology: not reported
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Degree of concentration:dispersed
Size of fossils:macrofossils
Preservation of anatomical detail:good
Disassociated major elements:all
Fragmentation:none
Temporal resolution:snapshot
Collection methods and comments
Collection methods:field collection
Reason for describing collection:general faunal/floral analysis
Museum repositories:USNM
Collectors:G. F. Sternberg Collection dates:1929
Metadata
Database number:53982
Authorizer:M. Carrano, J. Alroy Enterer:M. Carrano, J. Alroy
Modifier:M. Carrano Research group:vertebrate
Created:2005-09-20 14:52:41 Last modified:2023-01-31 12:14:11
Access level:the public Released:2005-09-20 14:52:41
Creative Commons license:CC BY
Reference information

Primary reference:
38106. C. W. Gilmore. 1930. Fossil hunting in New Mexico. Explorations and Field-Work of the Smithsonian Institution in 1929 3060:17-22 [M. Carrano/M. Carrano]

Secondary references:

83786 W. A. Clemens. 1973. The roles of fossil vertebrates in interpretation of Late Cretaceous stratigraphy of the San Juan Basin, New Mexico. In J. E. Fassett (ed.), Cretaceous and Tertiary Rocks of the Southern Colorado Plateau. Four Corners Geological Society Memoir 1:154-167 [M. Carrano/M. Carrano]
14580ETE C. W. Gilmore. 1935. On the Reptilia of the Kirtland Formation of New Mexico, with descriptions of new species of fossil turtles. Proceedings of the United States National Museum 83(2978):159-188 [M. Carrano/M. Carrano/P. Holroyd]
15088ETE B. S. Kues, J. W. Froehlich, J. A. Schiebout and S. G. Lucas. 1977. Paleontological survey, resource assessment, and mitigation plan for the Bisti-Star Lake Area, northwestern New Mexico. Report to the Bureau of Land Management, Albuquerque, New Mexico [M. Carrano/K. Maguire/M. Uhen]
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]
12314ETE R. S. Lull. 1933. A revision of the Ceratopsia or horned dinosaurs. Memoirs of the Peabody Museum of Natural History 3(3):1-175 [M. Carrano/M. Carrano/M. Carrano]
78190 D. L. Wolberg and D. Bellis. 1990. Report of the regional historical, stratigraphic, and paleontological framework of the Late Cretaceous (Campanian-Maastrichtian) Fossil Forest locality near Split Lip Flats, San Juan County, New Mexico, with possible management options and a review of paleontological management goals for public lands. New Mexico Bureau of Mines and Mineral Resources Open File Report 368:1-437 [M. Carrano/M. Carrano]