Cri-Cri locality, Altares (Cretaceous of Mexico)

Also known as Manuel Benavides

Where: Chihuahua, Mexico (28.9° N, 103.4° W: paleocoordinates 35.4° N, 77.0° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Aguja Formation, Late/Upper Campanian (83.5 - 70.6 Ma)

• upper part of Aguja Formation

• member-level stratigraphic resolution

Environment/lithology: terrestrial; yellow mudstone

• "light-yellow mudstone bed"

Size classes: macrofossils, mesofossils

Collected in 2000

Collection methods: quarrying, surface (float), surface (in situ), mechanical, sieve,

Primary reference: 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]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 35707: authorized by Matthew Carrano, entered by Matthew Carrano on 05.01.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

 Testudines -
"Chelonia indet." = Testudines
"Chelonia indet." = Testudines Batsch 1788 turtle
 Saurischia - Titanosauridae
Titanosauridae indet. Lydekker 1885 titanosaurid
 Avetheropoda - Tyrannosauridae
Tyrannosauridae indet. Osborn 1906 tyrannosaurid
 Avetheropoda - Ornithomimidae
Ornithomimidae indet. Marsh 1890 ornithomimid
 Avetheropoda - Dromaeosauridae
Dromaeosauridae indet. Colbert and Russell 1969 coelurosaur
 Ornithischia -
Ankylosauria indet. ornithischian
 Neornithischia - Ceratopsidae
? Centrosaurinae indet. Lambe 1915 ceratopsid
"ceratopsian, maybe a centrosaurinae"
 Neornithischia - Hadrosauridae
Hadrosauridae indet. Cope 1869 hadrosaurid
 Loricata -
Crocodylia indet. crocodilian
Plantae indet. Haeckel 1866
petrified wood