John Martin Reservoir, Plover Point tracksite (Cretaceous of the United States)

Where: Bent County, Colorado (38.1° N, 103.0° W: paleocoordinates 37.1° N, 60.5° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Pajarito Formation (Dakota Group), Albian (113.0 - 100.5 Ma)

• middle of formation, below Romeoville Sandstone

• bed-level stratigraphic resolution

Environment/lithology: delta plain; burrowed sandstone and mudstone

• "thick sandstone layers (5–20 cm) intercalated between thin mudstone or shale layers."

Size class: macrofossils

Preservation: cast, trace

Collected by Kukihara & Lockley in 2004–2005

Collection methods: surface (float),

Primary reference: R. Kukihara and M. G. Lockley. 2012. Fossil footprints from the Dakota Group (Cretaceous) John Martin Reservoir, Bent County, Colorado: New insights into the paleoecology of the Dinosaur Freeway. Cretaceous Research 33:165-182 [M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 154186: authorized by Matthew Carrano, entered by Matthew Carrano on 31.01.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Theropoda - Ornithomimipodidae
Magnoavipes sp. Lee 1997 coelurosaur
 Ornithischia -
? Ankylosauria indet. Osborn 1923 ankylosaur
 Ornithischia - Iguanodontipodidae
Caririchnium sp. Leonardi 1984 ornithopod
unclassified
  -
Plantae indet. Haeckel 1866
 Ichnofossils -
Arenicolites sp. Salter 1857