Vascoceras La Frontera Formation List of the Mesozoic life of Colorado Lucas Mallada y Pueyo List of the Mesozoic life of Arizona List of the Mesozoic life of Texas List of the prehistoric life of Arizona List of the prehistoric life of New Mexico List of ammonite genera List of the prehistoric life of Colorado List of the prehistoric life of Texas Mauriciosaurus Tropic Shale Cotinguiba Formation Gombe State List of fossiliferous stratigraphic units in Colombia