Cancha de Bochas, Valle Pintado (Triassic of Argentina)

Also known as Chromogisaurus type

Where: San Juan, Argentina (30.1° S, 67.9° W: paleocoordinates 46.8° S, 33.4° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Scaphonyx-Exaeretodon-Herrerasaurus other zone, Cancha de Bochas Member (Ischigualasto Formation), Carnian (237.0 - 228.0 Ma)

• Section 3 according to Currie et al. (2009)

•Radiometric age was recalculated to equal a U-PB date of 230.3-231.4 ± 0.3 Ma. Lower levels of member, lower Scaphonyx-Exaeretodon-Herrerasaurus biozone, 40 m above base of unit.

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; lithified mudstone

• "found in a very fossiliferous grey mudstone, in the same layer (approximately three metres thick) from which were collected a specimen of the herrerasaurid Herrerasaurus ischigualastensis (PVSJ 380) and a cynodont jaw (F. Novas unpublished field trip notes)"

Size class: macrofossils

Collected by P. Sereno et al. in 1988

Collection methods: quarrying, mechanical,

Primary reference: M. D. Ezcurra. 2010. A new early dinosaur (Saurischia: Sauropodomorpha) from the Late Triassic of Argentina: a reassessment of dinosaur origin and phylogeny. Journal of Systematic Palaeontology 8:371-425 [O. Rauhut/O. Rauhut/P. Mannion]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 131436: authorized by Oliver Rauhut, entered by Oliver Rauhut on 25.07.2012, edited by Matthew Carrano

Creative Commons license: CC BY (attribution)

Taxonomic list

 Eosuchia - Rhynchosauridae
? Scaphonyx sp. Woodward 1907 rhynchosaur
removed from PVSJ 845
 Saurischia -
Chromogisaurus novasi n. gen. n. sp.
Chromogisaurus novasi n. gen. n. sp. Ezcurra 2010 saurischian
PVSJ 845