Mina de Los Rastros tracksite (Triassic of Argentina)

Also known as Ischigualasto, Quebrada de Los Rastros

Where: San Juan, Argentina (30.1° S, 68.0° W: paleocoordinates 50.1° S, 38.0° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Los Rastros Formation, Ladinian (242.0 - 237.0 Ma)

• uppermost part of formation; late Ladinian

• bed-level stratigraphic resolution

Environment/lithology: fluvial-deltaic; sandstone and limestone

• "lagoonal or fluvial"
• "Alternated sandstone with green mudstone, with carbonaceous layers and coal beds. The trackways are found in a limestone pavement."

Size class: macrofossils

Preservation: mold/impression, trace

Collected by R. Rigal, J. M. Sobral in 1924-1960; reposited in the MLP

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

Primary reference: F. v. Huene. 1931. Die fossilen Fährten im Rhät von Ischugualasto in Nordwest-Argentinien [The fossil footprints in the Rhaetian of Ischigualasto in northwest Argentina]. Palaeobiologica 4:99-112 [M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 74751: authorized by Matthew Carrano, entered by Matthew Carrano on 28.08.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Rhexoxilales indet., Paleomutella sp.
Polypodiopsida
 Equisetales - Equisetidae
Equisetales indet.
Equisetales indet. Dumortier 1829
 Polypodiidae - Polypodiidae
Osmundales indet.
Calamitopsida
 Calamitales -
Calamitales indet.
Calamitales indet. Eichwald 1852
Cycadopsida
 Cycadales -
Cycadales indet.
Cycadales indet. Dumortier 1829 cycads
Osteichthyes
 Palaeonisciformes - Palaeoniscidae
Myriolepis sp.
Myriolepis sp. Egerton 1864
Reptilia
 Pseudosuchia - Chirotheriidae
"Rigalites ischigualastensis n. gen. n. sp." = Chirotherium ischigualastianum
"Rigalites ischigualastensis n. gen. n. sp." = Chirotherium ischigualastianum Huene 1931 archosaur
trackways