east side, Pinyon Peak (Cretaceous of the United States)

Where: Teton County, Wyoming (44.1° N, 110.4° W: paleocoordinates 51.6° N, 85.5° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Pinyon Conglomerate Formation, Late/Upper Maastrichtian (70.6 - 66.0 Ma)

• Approx. 150 ft. above the base of the Pinyon Conglomerate

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lenticular, brown, green, sandy, carbonaceous conglomerate

• "Limestone pellet conglomerate, greenish-brown; weathers dark brown; lenticular; crops out in ragged ledge with very uneven top and bottom; angular to rounded fragments of gray silty dense limestone, as much as 3 in. in diameter but commonly 1/4 to 1 in., embedded in an olive-drab hard tightly cemented medium-grained sandstone matrix; sparse angular to rounded quartzite pebbles and granules; some brown dense fine-grained brittle hard claystone pebbles"

Size classes: macrofossils, mesofossils

Collected by M. C. McKenna & J. D. Love in 1969; reposited in the AMNH

Collection methods: quarrying, surface (float), surface (in situ), mechanical,

Primary reference: M. C. McKenna and J. D. Love. 1970. Local stratigraphic and tectonic significance of Leptoceratops, a Cretaceous dinosaur in the Pinyon Conglomerate, northwestern Wyoming. United States Geological Survey Professional Paper 700(D):D55-D61 [M. Carrano/K. Maguire/M. Carrano]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 53824: authorized by Matthew Carrano, entered by Kaitlin Maguire on 14.09.2005, edited by Matthew Carrano

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Reptilia
 Ornithischia - Leptoceratopsidae
Leptoceratops sp.
Leptoceratops sp. Brown 1914 leptoceratopsid
AMNH 2571, tooth
 Eosuchia -
? Sauria indet.
? Sauria indet. MacCartney 1802 diapsid
Bivalvia
  -
"Pelecypoda indet." = Bivalvia
"Pelecypoda indet." = Bivalvia Linnaeus 1758 clam