Genus: Arariphrynus LEAL & BRITO, 2006
Etymology:

Species: placidoi LEAL & BRITO, 2006
Etymology:

Holotype: MPSC-Am 893

Locality: Northeastern fringe of the Araripe Basin, near the town of Crato, Estado de Ceara, Ceara State, Northeastern Brazil.

Horizon: Crato Formation, Araripe Group.

Biostratigraphy:

Age: Aptian-Albian Stage, Middle Gallic Subepoch, Upper Early Cretaceous Epoch, Early Cretaceous.

Material: Nearly complete adult specimen.