Richard I. Blowout, UCMP V-5719 (Cretaceous of the United States)

Where: Niobrara County, Wyoming (43.1° N, 104.6° W: paleocoordinates 49.6° N, 79.5° W)

• small collection-level geographic resolution

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

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size classes: macrofossils, mesofossils

Reposited in the UCMP

Collection methods: surface (float), mechanical, sieve,

Primary reference: R. Estes. 1964. Fossil vertebrates from the Late Cretaceous Lance Formation, eastern Wyoming. University of California Publications in Geological Sciences 49:1-187 [J. Alroy/M. Sommers/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 57162: authorized by Matthew Carrano, entered by Kaitlin Maguire on 07.12.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Chondrichthyes
 Rajiformes - Rhinobatidae
Myledaphus bipartitus Cope 1876 guitarfish
Reptilia
 Ornithischia - Ceratopsidae
cf. Triceratops sp. Marsh 1889 ceratopsid
 Ornithischia - Hadrosauridae
"cf. Anatosaurus sp." = Edmontosaurus
"cf. Anatosaurus sp." = Edmontosaurus Lambe 1917 hadrosaurine
Actinopteri
 Lepisosteiformes - Lepisosteidae
Lepisosteus sp. Agassiz 1843 gar