Cri-Cri locality, Altares: Late/Upper Campanian, Mexico
collected 2000

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia
cf. Compsemys victa (Leidy 1856)
López-Conde et al. 2020 1 specimen
IGM-11513
Reptilia - Baenidae
Chelonia indet. (Latreille 1800)
2 specimens
IGM-11484 and IGM-11485
    = cf. Baenidae indet. Cope 1882
López-Conde et al. 2020
Reptilia - Testudines - Trionychidae
Trionychidae indet. (Gray 1825)
López-Conde et al. 2020 5 specimens
IGM-11497; IGM-11498; IGM-11499; IGM-11500; and IGM-11501
Reptilia - Testudines - Nanhsiungchelyidae
Basilemys sp. Hay 1902
López-Conde et al. 2020 2 specimens
IGM-11510 and IGM-11511
Reptilia - Crocodylia
Crocodylia indet. (Owen 1842)
Reptilia - Ceratopsidae
? Centrosaurinae indet. Lambe 1915
3 specimens
"ceratopsian, maybe a centrosaurinae"
Reptilia - Hadrosauridae
Hadrosauridae indet. Cope 1869
vertebrae, IGM
Reptilia - Nodosauridae
Ankylosauria indet. Osborn 1923
2 specimens
ALT-01, 02 (osteoderms)
    = Nodosauridae indet. Marsh 1890
Martínez Díaz 2011
Reptilia - Dromaeosauridae
Dromaeosauridae indet. Colbert and Russell 1969
Reptilia - Tyrannosauridae
Tyrannosauridae indet. Osborn 1906
Reptilia - Ornithomimidae
Ornithomimidae indet. Marsh 1890
Reptilia
Titanosauridae indet. Lydekker 1885
Montellano-Ballesteros 2003 4 specimens
IGM 6080, 4 posterior caudals, 1 dorsal or sacrocaudal
    = Titanosauria indet. Bonaparte and Coria 1993
Ramírez-Velasco and Hernández-Rivera 2015
unclassified
Plantae indet. Haeckel 1866
petrified wood
see common names

Geography
Country:Mexico State/province:Chihuahua
Coordinates: 28.9° North, 103.4° West (view map)
Paleocoordinates:35.4° North, 77.0° West
Basis of coordinate:stated in text
Altitude:716 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:83.60000 - 72.10000 m.y. ago
Stratigraphy
Formation:Aguja
Stratigraphic resolution:group of beds
Stratigraphy comments: upper part of Aguja Formation
Lithology and environment
Primary lithology:yellow mudstone
Includes fossils?Y
Lithology description: "light-yellow mudstone bed"
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,mesofossils
Preservation of anatomical detail:medium
Articulated whole bodies:none
Disassociated major elements:some
Disassociated minor elements:many
Fragmentation:occasional
Collection methods and comments
Collection methods:selective quarrying,surface (float),surface (in situ),mechanical,sieve,field collection
Reason for describing collection:taxonomic analysis
Collection dates:2000
Metadata
Also known as:Manuel Benavides
Database number:35707
Authorizer:M. Carrano, P. Mannion Enterer:M. Carrano, P. Mannion
Modifier:M. Carrano Research group:vertebrate
Created:2004-01-05 12:52:41 Last modified:2022-09-21 12:09:04
Access level:the public Released:2004-01-05 12:52:41
Creative Commons license:CC BY
Reference information

Primary reference:
9628. M. Montellano-Ballesteros, R. Hernández-Rivera, G. Álvarez-Reyes, P. Andrade-Ramos, and L. Martín-Medrano. 2000. Discovery of Late Cretaceous vertebrate local faunas in northern Mexico. Journal of Vertebrate Paleontology 20(3 (suppl.)):58A-59A [M. Carrano/M. Carrano/M. Carrano]

Secondary references:

28255ETE I. Ferrusquía-Villafranca, V. M. Bravo-Cuevas, and E. Jiménez-Hidalgo. 2007. The Xochixtlapilco dinosaur ichnofauna, Middle Jurassic of Oaxaca, southeastern Mexico: description and paleontologic significance. Contributions in Science, Natural History Museum of Los Angeles County 515:1-40 [M. Carrano/M. Carrano]
72665 O. A. López-Conde, M. L. Chavarría-Arellano, and M. Montellano-Ballesteros. 2020. Nonmarine turtles from the Aguja Formation (Late Cretaceous, Campanian) of Chihuahua, Mexico. Cretaceous Research 102668 [P. Mannion/P. Mannion]
82636 J. L. Martínez Díaz. 2011. El Registro Fósil de Anquilosaurios (Thyreophora-Ankylosauria) del Cretácico Superior de México [The Fossil Record of Ankylosaurs (Thyreophora-Ankylosauria) from the Upper Cretaceous of Mexico]. 1-49 [M. Carrano/M. Carrano/M. Uhen]
9627 M. Montellano-Ballesteros. 2003. A titanosaurid sauropod from the Upper Cretaceous of Chihuahua, Mexico. Revista Mexicana de Ciencias Geológicas 20(2):160-164 [M. Carrano/M. Carrano/M. Carrano]
55641 A. A. Ramírez-Velasco, R. Hernández-Rivera, and R. Servin-Pichardo. 2014. The hadrosaurian record from Mexico. In D. A. Eberth & D. C. Evans (ed.), Hadrosaurs 340-360 [M. Carrano/M. Carrano]
82620 Á A. Ramírez-Velasco and R. Hernández-Rivera. 2015. Diversity of Late Cretaceous dinosaurs from Mexico. Boletín Geológico y Minero 126(1):63-108 [M. Carrano/M. Carrano]
82004 H. E. Rivera-Sylva and K. Carpenter. 2014. Mexican saurischian dinosaurs. In H. E. Rivera-Sylva, K. Carpenter, & E. Frey (eds.), Dinosaurs and Other Reptiles from the Mesozoic of Mexico 143-155 [M. Carrano/M. Carrano]
78885 H. E. Rivera-Sylva, J. R. Guzmán-Gutiérrez, and F. R. Palomino-Sánchez. 2006. Preliminary report on a vertebrate fossil assemblage from the Late Cretaceous of Chihuahua, Mexico. In P. Pazonyi (ed.), 4th Annual Meeting of the European Association of Vertebrate Palaeontologists. Hantkeniana 5:66-68 [M. Carrano/M. Carrano/M. Carrano]
30640ETE H. E. Rivera-Sylva, R. Rodríguez-de la Rosa, and J. A. Ortiz-Mendieta. 2006. A review of the dinosaurian record from Mexico. In editors: F. J. Vega, T. G. Nyborg, M. d. C. Perrilliat, M. Montellano-Ballestero (eds.), Studies on Mexican Paleontology; Topics in Geobiology 24:233-248 [M. Carrano/M. Carrano]