Describer

Marsh, 1892

Time

Cretaceous Late Maastrichtian

Classification

Saurischia Theropoda Tetanurae Coelurosauria Ornithomimosauria Nomina Dubia

Diet

Omnivore

Fossilsite

Lance Formation, Niobrara County, Wyoming, US

Info

USNM 4736, Ccollected in 1891 by Hatcher and Sullins and named by Marsh in the American Journal of Science, volume 43, page 451, in 1892.

The type material consist of a sacrum, pubis, twelve vertebrae and four chevrons.