Ptychoparioidea
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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–Siluria ...
order Order, ORDER or Orders may refer to: * A socio-political or established or existing order, e.g. World order, Ancien Regime, Pax Britannica * Categorization, the process in which ideas and objects are recognized, differentiated, and understood ...
of
trilobite Trilobites (; meaning "three-lobed entities") are extinction, extinct marine arthropods that form the class (biology), class Trilobita. One of the earliest groups of arthropods to appear in the fossil record, trilobites were among the most succ ...
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, Murra ...
*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 Ptychopariidae is a family (biology), family of trilobites, containing the following genera: *''Achlysopsis'' *''Altikolia'' *''Altitudella'' *''Amecephalites'' *''Asthenopsis'' *''Austinvillia'' *''Balangcunaspis'' *''Bashania (trilobite), Basha ...
*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 Trilobite superfamilies {{Ptychopariida-stub