Lisbon Valley Oilfield tracksite (Jurassic to of the United States)

Where: San Juan County, Utah (38.2° N, 109.3° W: paleocoordinates 19.6° N, 48.6° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Wingate Sandstone/Kayenta Formation (Glen Canyon Group), Hettangian to Hettangian (201.3 - 190.8 Ma)

• at the boundary between the two formations

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; sandstone

Size class: macrofossils

Preservation: mold/impression, trace

Collection methods: surface (in situ),

Primary reference: M. G. Lockley and A. P. Hunt. 1995. Dinosaur Tracks and Other Fossil Footprints of the Western United States xxi-338 [M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 184682: authorized by Matthew Carrano, entered by Matthew Carrano on 16.03.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Xiphosura
 Xiphosurida - Limulidae
Limulidae indet.
Limulidae indet. Leach 1819 horseshoe crab
trackways
Osteichthyes
 Therapsida -
Therapsida indet.
Therapsida indet. Broom 1905 therapsid
"mammaloid" tracks; CU-MWC 179.24-179.25
Reptilia
 Ornithischia - Moyenisauropodidae
Anomoepus sp., "Anomoepus cf. minimus" = Anomoepus scambus
Anomoepus sp. Hitchcock 1848 ornithopod
CU-MWC 179.16
"Anomoepus cf. minimus" = Anomoepus scambus Hitchcock 1848 ornithopod
CU-MWC 179.22-179.23, 179.17
 Theropoda -
Theropoda indet.
Theropoda indet. theropod
"bird-like tracks" that seem to be neither Grallator nor Eubrontes
 Theropoda - Grallatoridae
Grallator sp.
Grallator sp. Hitchcock 1858 theropod