Boca del Agua Chica (Jurassic to of Mexico)

Also known as San Felipe Otlaltepec

Where: Puebla, Mexico (18.4° N, 97.9° W)

• Paleocoordinates: 6.2° N, 36.8° W (Wright 2013)

• coordinate stated in text

• small collection-level geographic resolution

When: Otlaltepec Formation, Bathonian to Bathonian (168.3 - 163.5 Ma)

• bed-level stratigraphic resolution

Environment/lithology: crevasse splay; fine-grained sandstone and gravel

• "an overbank environment within a floodplain with anastomosed rivers that was intermittently flooded during high-water stages and with subaerial exposition during low-water periods, favoring pedogenesis and the development of paleosols"
• "The Otlaltepec Formation is composed of rhythmically alternating conglomerate to fine grained sandstone deposits, which are locally overlain by fine-grained sandstone beds with ripple cross lamination and drapes of horizontally laminated siltstone and mudstone"

Size class: macrofossils

Collected by S. Applegate in 1987

Collection methods: surface (float),

Primary reference: 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]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 143808: authorized by Matthew Carrano, entered by Matthew Carrano on 26.04.2013

Creative Commons license: CC0 (CC0)

Taxonomic list

Reptilia
 Saurischia -
Flagellicaudata indet. Harris and Dodson 2004 sauropod