Also known as Hoyada del Cerro Las Lajas, Pisanosaurus type

Where: La Rioja, Argentina (30.0° S, 68.0° W: paleocoordinates 46.6° S, 33.5° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

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

• Pisanosaurus was reportedly collected from the "middle third" of the formation (e.g. Bonaparte 1982, JVP 2:362-371; Rogers et al. 1993, Science 260:794). This was used to suggest a Norian age for Pisanosaurus (see Langer et al. 2010, Biol. Reviews). More recently, however, Martinez et al. (2011, Science 331: 206) placed Pisanosaurus within their "Scaphonyx-Exaeretodon-Herrerasaurus biozone" corresponding to the lower part of the formation and a "narrow temporal interval from 231.5 to 229 Ma in the latter half of the Carnian stage"

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected by G. Scaglia, J. Bonaparte, R. Herbst, M. Vince in May-Jul 1962

Collection methods: mechanical,

• PVL: Instituto Miguel Lillo, Tucuman

Primary reference: R. M. Casamiquela. 1967. Un nuevo dinosaurio ornitisquio triasico (Pisanosaurus mertii; Ornithopoda) de la Formación Ischigualasto, Argentina [A new Triassic ornithischian dinosaur (Pisanosaurus mertii; Ornithopoda) from the Ischigualasto Formation, Argentina]. Ameghiniana 4(2):47-64 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 26452: authorized by Matthew Carrano, entered by Matthew Carrano on 15.10.2002, edited by Richard Butler

Creative Commons license: CC BY (attribution)