Ptychoparioidea is a superfamily of the

Ptychopariida Ptychopariida is a large, heterogeneous order of trilobite containing some of the most primitive species known. The earliest species occurred in the second half of the Lower Cambrian, and the last species did not survive the Ordovician–Silurian ...

order Order, ORDER or Orders may refer to: * Categorization, the process in which ideas and objects are recognized, differentiated, and understood * Heterarchy, a system of organization wherein the elements have the potential to be ranked a number of d ...

trilobite Trilobites (; meaning "three lobes") are extinct marine arthropods that form the class Trilobita. Trilobites form one of the earliest-known groups of arthropods. The first appearance of trilobites in the fossil record defines the base of the At ...

s.Pour M. G., Popov L. E. (2009) Silicified Middle Cambrian trilobites from Kyrgyzstan, Palaeontology, 1039-1056

Taxonomy

*Family Acrocephalitidae *Family

Alokistocaridae Alokistocaridae is a family of ptychopariid trilobites that lived from the Botomian epoch of the Early Cambrian until the Late Cambrian. Alokistocarids were particle feeders and left small furrows which are occasionally preserved.Coppold, Murray ...

*Family Antagmidae *Family Asaphiscidae *Family Atopidae *Family Bolaspididae *Family Cedariidae *Family Changshaniidae *Family Conocoryphidae *Family Conokephalinidae *Family Crepicephalidae *Family

Diceratocephalidae Diceratocephalidae is an family of trilobites belonging to the order Ptychopariida Ptychopariida is a large, heterogeneous order of trilobite containing some of the most primitive species known. The earliest species occurred in the second half ...

*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 The Nepeidae are a family of trilobites, that lived during the late Middle Cambrian - earliest Upper Cambrian in what are today Australia, Antarctica, China and New Zealand. The Nepeidae can be recognized by a vaulted area between the front of th ...

*Family Norwoodiidae *Family Papyriaspididae *Family Phylacteridae *Family Proasaphiscidae *Family

Ptychopariidae Ptychopariidae is a family of trilobites, containing the following genera: *'' Achlysopsis'' *'' Altikolia'' *'' Altitudella'' *'' Amecephalites'' *'' Asthenopsis'' *'' Austinvillia'' *'' Balangcunaspis'' *''Bashania'' *'' Bathyholcus'' *'' Bathy ...

*Family Shumardiidae *Family

Solenopleuridae Solenopleuridae is a family (biology), family of trilobites, containing the following genera: *''Abakanopleura'' *''Acanthometopus'' *''Acrocephalaspis'' *''Aiaiaspis'' *''Aidarella'' *''Aikhaliella'' *''Albansia'' *''Aldanaspis'' *''Badulesia'' ...

*Family Tricrepicephalidae *Family Utiidae *Family Wuaniidae

References

Ptychoparioidea Cambrian trilobites Arthropod superfamilies {{Ptychopariida-stub