Sunrise Formation

The Sunrise Formation is a geologic formation in Nevada. It preserves fossils dating back to the Hettangian to Sinemurian stages of the Early Jurassic period.

Fossil content
Among others, the following fossils have been reported from the formation:
 * Ammonites


 * Alsatites proaries
 * Arnioceras ritterbushi
 * A. sparsum
 * Coroniceras involutum
 * C. luningense
 * Guexiceras profundus
 * Tipperoceras mullerense
 * Tmaegoceras nudaries


 * Bivalves


 * Agerchlamys boellingi
 * Jaworskiella siemonmulleri
 * Trigonia aff. hemisphaerica
 * Vaugonia cf. vancouverensis
 * Frenguelliella sp.


 * Echinoids
 * Plesiechinus hawkinsi