Split Lip Flats (NMMNH Loc. 7779) (Cretaceous of the United States)

Where: San Juan County, New Mexico (36.3° N, 108.0° W: paleocoordinates 43.6° N, 79.3° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Fossil Forest Member (Fruitland Formation), Late/Upper Campanian (83.5 - 70.6 Ma)

• bed-level stratigraphic resolution

Environment/lithology: crevasse splay; sandstone and lignite

• "a thin (30-cm thick), sheet-like body of thinly-laminated sandstone...The footprint casts were clearly originally impressed into the underlying lignite bed and then infilled by a sheetflood (unchannelized flow) sand."

Size class: macrofossils

Preservation: cast, trace

Reposited in the NMMNH

Collection methods: surface (float),

Primary reference: S. G. Lucas, R. M. Sullivan, S. E. Jasinski and T. L. Ford. 2011. Hadrosaur footprints from the Upper Cretaceous Fruitland Formation, San Juan Basin, New Mexico, and the ichnotaxonomy of large ornithopod footprints. In R. M. Sullivan, S. G. Lucas and J. A. Spielmann (eds.), Fossil Record 3. New Mexico Museum of Natural History and Science Bulletin 53:357-362 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 123590: authorized by Matthew Carrano, entered by Matthew Carrano on 26.01.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

 Ornithischia - Iguanodontipodidae
Caririchnium sp. Leonardi 1984 ornithopod
NMMNH P-63031 to 63035