Quebrada de Ischichuca tracksite (Triassic of Argentina)

Where: La Rioja, Argentina (29.6° S, 68.4° W: paleocoordinates 49.6° S, 38.5° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Los Rastros Formation (Agua de la Peña Group), Ladinian (242.0 - 237.0 Ma)

• originally listed as Ischichuca Fm., then Chañares, but actually pertains to base of Los Rastros (Marsicano, pers. comm. to MTC).

• bed-level stratigraphic resolution

Environment/lithology: lacustrine - large; fine-grained, volcaniclastic, green sandstone

• "volcaniclastic shallow lacustrine deposits"
• "greenish, fine-grained sandstone"

Size class: macrofossils

Preservation: mold/impression, trace

Collected by J. F. Bonaparte in 1964

Collection methods: surface (in situ), peel or thin section,

Primary reference: G. Leonardi. 1989. Inventory and statistics of the South American dinosaurian ichnofauna and its paleobiological interpretation. In D. D. Gillette & M. G. Lockley (ed.), Dinosaur Tracks and Traces 165-178 [M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 59669: authorized by Matthew Carrano, entered by Matthew Carrano on 06.04.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Archosauria -
Archosauria indet. Cope 1869 archosaur
type 4, quadruped
 Dinosauria -
Dinosauria indet. Owen 1842 dinosaur
types 2, 3
Dinosauria indet. Owen 1842 dinosaur
Coelurosauria or "pre-dinosaurian thecodont"