south of Hill 4142 (SE), Agua Fria Quad (Cretaceous of the United States)

Where: Brewster County, Texas (29.7° N, 103.7° W: paleocoordinates 36.2° N, 77.0° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

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

• possibly middle part of formation

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; concretionary, ferruginous, gypsiferous, brown, yellow, sandy claystone and massive, yellow sandstone

• "ironstone beds and concretions, cone-in-cone structures, calcareous septaria, ripple marks, and much gypsum were found in the yellowish-brown sandy clay, thin-bedded and laminated sandstone, and massive beds of friable, light-yellow sand."

Size class: macrofossils

Collection methods: surface (in situ),

Primary reference: C. G. Moon. 1963. Geology of Agua Fria quadrangle, Brewster County, Texas. Geological Society America Bulletin 64:151-196 [M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 200421: authorized by Matthew Carrano, entered by Matthew Carrano on 03.04.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Dinosauria -
Dinosauria indet. dinosaur
"dinosaur bones"
 Ornithischia -
Ankylosauria indet. ankylosaur
"dinosaur armor plates"