Arminto track locality (Triassic of the United States)

Where: Natrona County, Wyoming (43.3° N, 107.2° W: paleocoordinates 11.2° N, 32.1° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Upper platy facies Member (Red Peak Formation), Spathian (251.3 - 247.2 Ma)

• Upper platy facies of the Red Peak Formation, close to upper transition with sandy facies

• group of beds-level stratigraphic resolution

Environment/lithology: fluvial; burrowed sandstone and silty mudstone

• "The majority of the ichnoassemblage is associated with fluvial, crevasse-splay, and floodplain deposits"

Size class: macrofossils

Preservation: trace

Primary reference: D. M. Lovelace and S. D. Lovelace. 2012. Paleoenvironments and paleoecology of a Lower Triassic invertebrate and vertebrate ichnoassemblage from the Red Peak Formation (Chugwater Group), central Wyoming. Palaios 27:636-657 [R. Butler/R. Butler]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 135636: authorized by Richard Butler, entered by Richard Butler on 29.10.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Testudines -
cf. Chelonipus sp. von Lilienstern 1939 turtle
 Squamata -
Rhynchosauroides sp. Maidwell 1911 squamates
 Pseudosuchia - Rotodactylidae
cf. Rotodactylus sp. Peabody 1948 archosaur
 Pseudosuchia - Chirotheriidae
Chirotherium barthii Kaup 1835 archosaur