Indian Creek tracksite (Jurassic to of the United States)

Also known as Bear Lake

Where: Bear Lake County, Idaho (42.1° N, 111.3° W: paleocoordinates 29.3° N, 47.9° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Navajo-Nugget Sandstone Formation (Glen Canyon Group), Pliensbachian to Pliensbachian (190.8 - 174.1 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: eolian; sandstone

Size class: macrofossils

Preservation: mold/impression, trace

Collected by G. Loertscher, A. Tedrow in 2005–2008, 2010

Collection methods: quarrying,

Primary reference: M. G. Lockley, A. R. Tedrow, K. C. Chamberlain, N. J. Minter, and J.-D. Lim. 2011. Footprints and invertebrate traces from a new site in the Nugget Sandstone (Lower Jurassic) of Idaho: implications for life in the northern reaches of the great Navajo-Nuggest erg system in the western USA. In R. M. Sullivan, S. G. Lucas, & J. A. Spielmann (eds.), Fossil Record 3. New Mexico Museum of Natural History and Science Bulletin 53:344-356 [M. Carrano/M. Carrano]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 195189: authorized by Matthew Carrano, entered by Matthew Carrano on 25.07.2018

Creative Commons license: CC BY (attribution)

Taxonomic list

Osteichthyes
 Synapsida - Chelichnopodidae
Brasilichnium sp. Leonardi 1981 synapsid
including morphological variants Bipedopus and Semibipedopus
Reptilia
 Pseudosuchia - Batrachopodidae
Batrachopus sp. Hitchcock 1845 aetosaur
 Saurischia - Otozoidae
Otozoum sp. Hitchcock 1847 prosauropod
 Theropoda - Grallatoridae
Grallator sp. Hitchcock 1858 theropod
 Ichnofossils -
cf. Paleohelcura sp. Gilmore 1926
Diplichnites sp. Dawson 1873
Octopodichnus sp. Gilmore 1927