Category
page 1Jurassic Arizona
Morrison Formation
Rock formation
Eocaecilia
Eocaecilia is an extinct genus of gymnophionan amphibian from the early Jurassic Kayenta Formation of Arizona, United States. One species is described, Eocaecilia micropodia.
Coyote Buttes
mountain range in Coconino County, Arizona, United States
Prosalirus bitis
Prosalirus is an extinct genus of primitive frog known from the Early Jurassic of North America. It contains a single species, P. bitis, known from the Kayenta Formation of Arizona.
Vermilion Cliffs National Monument
national monument Coconino County, Arizona, United States
Navajo Sandstone
geological formation
Dinnetherium nezorum
Dinnetherium is an extinct genus of mammaliaforms from the Early Jurassic of Arizona. The type species, D. nezorum, was named in 1983. It was discovered in a Sinemurian layer of the Kayenta Formation, within the Gold Spring Quarry 1. The holotype is MNA V3221, which is a partial right mandible.