Language: English
This taxonomic and bibliographic catalogue lists the genera and species ascribed to the order Placodontia, arranged in systematical and chronological order, and the taxa formerly classified as placodonts and no longer imputable to this group of reptiles. Diagnosis, type species and etymology are reported for each genus. Also, in all species, in addition to diagnosis and etymology, the holotype, the locality, the horizon, the geographical distribution and a list of the more important specimens are reported.