Crurotarsans Dinosaurs Indeterminate theropod, coelurosaur, dromaeosaurid, tyrannosaurid, hadrosaurid, and ankylosaurid remains are known from the formation. Dinosaur eggs are known from the formation.
Alexornis antecedens actually comes from the
La Bocana Roja Formation. An indeterminate hadrosaurine is known from the formation. Potential
Hypacrosaurus remains have been unearthed here.
Lepidosaurs The diversity of lipodosaurs in El Gallo fomation is scarce. However, the
Polyglyohanodontian Dicothon bajaensis is by far the lizard with an important fossil record for this formation .
Mammals Amphibians An indeterminate
albanerpetontid is known from the formation. == See also ==