Genus: Eurycephalella BAEZ, MOURA & GOMEZ, 2009
Etymology: Greek, eurys, "broad" and Greek, kephala, "head"; in reference to the wide skull.

Species: alcinae BAEZ, MOURA & GOMEZ, 2009
Etymology: In honor of Alcina Barreto, paleobotanist and professor at the Universidade Fedral de Pernambuco, Brazil, enthusiastic director of many projects to study the fossils from the Araripe Basin.
= Arariphrynus placidoi LEAL & BRITO, 2006 (partim)

Holotype: MPSC Am-890

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: Incomplete, articulated adult specimen.