Ptychoparioidea

Ptychoparioidea is a superfamily of the Ptychopariida order of trilobites.

Taxonomy

 * Family Acrocephalitidae
 * Family Alokistocaridae
 * Family Antagmidae
 * Family Asaphiscidae
 * Family Atopidae
 * Family Bolaspididae
 * Family Cedariidae
 * Family Changshaniidae
 * Family Conocoryphidae
 * Family Conokephalinidae
 * Family Crepicephalidae
 * Family Diceratocephalidae
 * Family Elviniidae
 * Family Eulomidae
 * Family Holocephalinidae
 * Family Ignotogregatidae
 * Family Inouyiidae
 * Family Isocolidae
 * Family Kingstoniidae
 * Family Liostracinidae
 * Family Llanoaspididae
 * Family Lonchocephalidae
 * Family Lorenzellidae
 * Family Mapaniidae
 * Family Marjumiidae
 * Family Menomoniidae
 * Family Nepeidae
 * Family Norwoodiidae
 * Family Papyriaspididae
 * Family Phylacteridae
 * Family Proasaphiscidae
 * Family Ptychopariidae
 * Family Shumardiidae
 * Family Solenopleuridae
 * Family Tricrepicephalidae
 * Family Utiidae
 * Family Wuaniidae