Rock formation · Ceará
Romualdo Formation
Early Cretaceous (late Aptian) Konservat-Lagerstätte of the Araripe Basin, north-east Brazil; limestone concretions in shales, formerly the Romualdo Member of the Santana Formation.
A formation is a body of rock laid down in one setting over a stretch of time. 1 dinosaur in DinoDex is known from fossils found in it.
