MWC Loc. 12.00.86, Prairie Canyon (Cretaceous of the United States)

Where: Mesa County, Colorado (39.4° N, 108.9° W: paleocoordinates 46.7° N, 79.2° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Baculites mclearni ammonoid zone, Mancos Shale Formation, Middle Campanian (83.5 - 70.6 Ma)

• upper part of formation, 30 m below Castegate Sandstone, Baculites mclearni Zone

• bed-level stratigraphic resolution

Environment/lithology: marine; concretionary, sideritic, silty shale

• "The specimen was found in and between sideritic conccretions""in a silty shale bed"

Size classes: macrofossils, mesofossils

Preservation: concretion

Collected by A. Knight, J. Owen, D. G. Wolny, H. Armstrong in 1987-1988

Collection methods: quarrying, mechanical,

Primary reference: D. G. Wolny, H. J. Armstrong, and J. I. Kirkland. 1990. Hadrosaur skeleton from the Mancos Shale, W. Colorado. Journal of Vertebrate Paleontology 10(3, suppl.):50A [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 52906: authorized by Matthew Carrano, entered by Matthew Carrano on 26.08.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Plantae indet. Haeckel 1866
"plant debris"
Reptilia
 Ornithischia - Hadrosauridae
Hadrosaurinae indet. Lambe 1918 hadrosaurine
MWC 129
Cephalopoda
 Ammonitida - Baculitidae
Baculites mclearni Russell and Landes 1937 ammonite
Bivalvia
 Nuculida - Nuculidae
Nuculidae indet. Gray 1824 nut clam
 Pectinida - Oxytomidae
Oxytoma sp. Meek and Hayden 1865 scallop
Lingulata
 Lingulida - Lingulidae
Lingula sp. BruguiƩre 1797