Species
Valid Extinct

Alamosaurus sanjuanensis

Gilmore 1922

No Wikipedia summary available.

Temporal range
Triassic
Jurassic
Cretaceous
Paleogene
Neogene
252 201 145 66 0 Ma
PBDB occurrences
31
Group
Dinosaures
Herbivore Ground dwelling, gregarious Terrestrial
Classification
Dinosauria Unranked clade
Saurischia Unranked clade
Sauropodomorpha Unranked clade
Massopoda Unranked clade
Sauropodiformes Unranked clade
Sauropoda Unranked clade
Gravisauria Unranked clade
Eusauropoda Unranked clade
Neosauropoda Unranked clade
Macronaria Unranked clade
Titanosauriformes Unranked clade
Somphospondyli Unranked clade
Titanosauria Unranked clade
Lithostrotia Unranked clade
Saltasauroidea Superfamily
Lohuecosauria Unranked clade
Saltasauridae Unranked clade
Saltasaurinae Subfamily
Alamosaurus Genus
Alamosaurus sanjuanensis Species
Fossil sites 31 geolocated sites
Distribution
Top countries
🇺🇸 United States
30
🇲🇽 Mexico
1
Geological formations
North Horn
3
Black Peaks
1
Temporal distribution
Maastrichtian (72.2–66 Ma)
28
Campanian (83.6–72.2 Ma)
3
Bibliography
Original description
C. W. Gilmore. 1922. A new sauropod dinosaur from the Ojo Alamo Formation of New Mexico. Smithsonian Miscellaneous Collections 72(34):1-9
Bibliography (15)
H. E. Rivera-Sylva, R. L. Nava-Rodríguez, and I. E. Sánchez-Uribe. 2021. Dinosaurs from the Late Cretaceous of the Ojinaga Basin in Northeastern Chihuahua, Mexico. Paleontología Mexicana 10(2):105-111
M. D'Emic, J. A. Wilson, and T. E. Williamson. 2011. A sauropod dinosaur pes from the latest Cretaceous of North America and the validity of Alamosaurus sanjuanensis (Sauropoda, Titanosauria). Journal of Vertebrate Paleontology 31(5):1072-1079 DOI ↗
D. W. Fowler and R. M. Sullivan. 2011. The first giant titanosaurian sauropod from the Upper Cretaceous of North America. Acta Palaeontologica Polonica 56(4):685-690 DOI ↗
S. E. Jasinski, R. M. Sullivan, and S. G. Lucas. 2011. Taxonomic composition of the Alamo Wash local fauna from the Upper Cretaceous Ojo Alamo Formation (Naashoibito Member), San Juan Basin, New Mexico. Fossil Record 3. New Mexico Museum of Natural History and Science Bulletin 53:216-271
R. K. Hunt and T. M. Lehman. 2008. Attributes of the ceratopsian dinosaur Torosaurus, and new material from the Javelina Formation (Maastrichtian) of Texas. Journal of Paleontology 82(6):1127-1138 DOI ↗
T. M. Lehman and A. B. Coulson. 2002. A juvenile specimen of the sauropod dinosaur Alamosaurus sanjuanensis from the Upper Cretaceous of Big Bend National Park, Texas. Journal of Paleontology 76(1):156-172 DOI ↗
S. G. Lucas and R. M. Sullivan. 2000. The sauropod dinosaur Alamosaurus from the Upper Cretaceous of the San Juan Basin, New Mexico. New Mexico Museum of Natural History and Science Bulletin 17:147-156
S. G. Lucas and R. M. Sullivan. 2000. Stratigraphy and vertebrate biostratigraphy across the Cretaceous-Tertiary boundary, Betonnie Tsosie Wash, San Juan Basin, New Mexico. Dinosaurs of New Mexico. New Mexico Museum of Natural History and Science Bulletin 17:95-104
A. R. Fiorillo. 1998. Preliminary report on a new sauropod locality in the Javelina Formation (Late Cretaceous), Big Bend National Park, Texas. In V. L. Santucci & L. McClelland (eds.), National Park Service Geologic Resources Division Technical Report NPS/NRGRD/GRDTR-98/01. National Park Service Paleontological Research Volume 3:29-31
S. G. Lucas, N. J. Mateer, and A. P. Hunt, F. M. O.'Neill. 1987. Dinosaurs, the age of the Fruitland and Kirtland Formations, and the Cretaceous-Tertiary boundary in the San Juan Basin, New Mexico. J. E. Fassett and J. K. Rigby, Jr. (eds.), The Cretaceous-Tertiary Boundary in the San Juan and Raton Basins, New Mexico and Colorado, Geological Society of America Special Paper 209:35-50 DOI ↗
T. M. Lehman. 1985. Stratigraphy, Sedimentology, and Paleontology of Upper Cretaceous (Campanian–Maastrichtian) Sedimentary Rocks in Trans-Pecos Texas DOI ↗
S. G. Lucas. 1981. Dinosaur communities of the San Juan Basin: a case for lateral variations in the composition of Late Cretaceous dinosaur communities. Advances in San Juan Basin Paleontology
B. S. Kues, T. M. Lehman, and J. K. Rigby, Jr. 1980. The teeth of Alamosaurus sanjuanensis, a Late Cretaceous sauropod. Journal of Paleontology 54(4):864-869
C. W. Gilmore. 1946. Reptilian fauna of the North Horn Formation of central Utah. United States Department of the Interior Geological Survey Professional Paper 210-C:29-53 DOI ↗
C. W. Gilmore. 1922. A new sauropod dinosaur from the Ojo Alamo Formation of New Mexico. Smithsonian Miscellaneous Collections 72(34):1-9