The Santa Rosa Formation is a geologic formation exposed in New Mexico that was deposited in the Carnian Age of the late Triassic Period.
Santa Rosa Formation along I-25 in Glorieta Pass.
Lagerpetidae
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Lagerpetidae is a family of basal avemetatarsalians. Though traditionally considered the earliest-diverging dinosauromorphs, fossils described in 2020 suggested that lagerpetids are instead an early b
Santa Rosa Formation, New Mexico
…east-central New Mexico, the Los Esteros Member has also yielded a Otischalkian dinosauromorph assemblage that includes specimens of Silesauridae and Lagerpetidae, including Dromomeron, the latter of unusually large size. The formation was first named as the Santa Rosa Sandstone by N.H. Darton in July 1919 but…
Brazilian Lagerpetidae diversity
Speculative life restoration of Dromomeron romeri in a bipedal stance
Speculative life restoration of Venetoraptor, a Brazilian lagerpetid with a hooked beak.
Marasuchus