Ogyginus forteyi

Formation: Valongo de la “Pedreira do Valério”, Canelas.

Age: Ordovician.

Size: 48 cms.

Comments:

It is one of the species of trilobites who has the phenomenon of the Gigantism of Valongo area, the glabella has a very  large size. In this Ogyginus forteyi you can see piritization for all the fossil, a very espectacular piece because of its large size.