Hi the Devonian of Morocco is very well known for its invertebrate fauna, but much less for his placoderms. It was in 1937 that scientists Termier H. and L. cariond and J.Marcais have found the first remains of vertebrates in the Devonian of the locality of Erfoud. Dr. Lehman is making the first release in 1954 in the number 129 of the Notes et memoires of service geologique du maroc. with the Techniques of past days it was not possible preparation of three dimensions. the preparation techniqu