Las Garzas locality, Rancho "Las Garzas" (Cretaceous of Mexico)

Where: Coahuila, Mexico (29.0° N, 103.3° W: paleocoordinates 35.5° N, 76.9° W)

• coordinate stated in text

• small collection-level geographic resolution

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

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: mesofossils

Collected by Montaño

Primary reference: E. Torres-Rodríguez, M. Montellano-Ballesteros, R. Hernández-Rivera and M. Benammi. 2010. Dientes de terópodos del Cretácico Superior del Estado de Coahuila, México [Theropod teeth from the Upper Cretaceous of Coahuila state, Mexico]. Revista Mexicana de Ciencias Geológicas 27(1):72-83 [M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 170939: authorized by Matthew Carrano, entered by Matthew Carrano on 29.06.2015, edited by Philip Mannion

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Reptilia
 Testudines - Trionychidae
Trionychidae indet.1
Trionychidae indet.1 softshell turtle
IGM-11502; IGM-11503; and IGM-11504
 Testudinata - Baenidae
cf. Baenidae indet.1, cf. Denazinemys nodosa1
cf. Baenidae indet.1 turtle
IGM-11489, IGM-11490, IGM-11491 and IGM-11492
cf. Denazinemys nodosa1 Gilmore 1916 turtle
IGM-11493; IGM-11494; IGM-11495 and IGM-11496
 Theropoda -
Theropoda indet.
Theropoda indet. Marsh 1881 theropod
IGM 6213, tooth; 3 other teeth (IGM)
 Theropoda - Dromaeosauridae
Saurornitholestinae indet.2, Saurornitholestinae indet.2, Saurornitholestinae indet.2, Saurornitholestinae indet.2
Saurornitholestinae indet.2 Longrich and Currie 2009 maniraptoran
IGM 6203, tooth ("n. sp.? C")
Saurornitholestinae indet.2 Longrich and Currie 2009 maniraptoran
IGM 6202, tooth crown ("n. sp.? A")
Saurornitholestinae indet.2 Longrich and Currie 2009 maniraptoran
IGM 6201, tooth
Saurornitholestinae indet.2 Longrich and Currie 2009 maniraptoran
IGM 6199, 6200, tooth fragments
 Theropoda - Troodontidae
Troodontidae indet.2
Troodontidae indet.2 Gilmore 1924 maniraptoran
IGM 6204, tooth
 Theropoda - Tyrannosauridae
Tyrannosauridae indet.
Tyrannosauridae indet. Osborn 1906 tyrannosaurid
IGM 6206–6209, tooth crowns; 2 other teeth (IGM)
 Ornithischia - Hadrosauridae
Hadrosauridae indet.3, Lambeosaurinae indet.3, Saurolophinae indet.3
Hadrosauridae indet.3 Cope 1869 hadrosaurid
vertebrae, metatarsals, dentary fragment, phalanx (IGM)
Lambeosaurinae indet.3 Parks 1923 lambeosaurine
R humerus (IGM)
Saurolophinae indet.3 Brown 1914 hadrosaurid
isolated teeth (IGM)
 Ornithischia - Ceratopsidae
Ceratopsidae indet.2
Ceratopsidae indet.2 Marsh 1888 ceratopsid
R femur (IGM)
1López-Conde et al. 2020; 2Ramírez-Velasco and Hernández-Rivera 2015; 3Ramírez-Velasco et al. 2014