![]() Order: Ptychopariida Suborder: Ptychopariina Superfamily: Ptychoparioidea Family: Alokistocaridae Species: Alokistocare sp. Source: Trilobites.com |
![]() Order: Ptychopariida Suborder: Ptychopariina Suuperamily: Ptychoparioidea Family: Ptychopariidae Species: Kunmingaspis sp. |
![]() Order: Ptychopariida |
![]() Order: Ptychopariida Suborder: Ptychopariina Superfamily: Ptychoparioidea Family: Ptychopariidae Species: Sao hirsuta Source: uncertain web location |
![]() Order: Ptychopariida |
![]() Order: Ptychopariida Suborder: Ptychopariina Superfamily: Ptychoparioidea Family: Marjumiidae Species: Modocia typicalis |
![]() Order: Ptychopariida |
![]() Order: Ptychopariida |
![]() Order: Ptychopariida |
![]() Suborder: Ptychopariina Suuperamily: Ptychoparioidea Family: Tricrepicephalidae |
![]() Order: Ptychopariida Suborder: Ptychopariina Suuperamily: Ptychoparioidea Family: Asaphiscidae Species: Asaphiscus wheeleri |
![]() Order: Ptychopariida |
![]() Order: Ptychopariida Suborder: Ptychopariina Suuperamily: Ptychoparioidea Family: Lonchocephalidae Source: Trilobites.com |
![]() Order: Ptychopariida Suborder: Ptychopariina Superamily: Ellipsocephaloidea Family: Agraulidae Source: Trilobites.com |
![]() Order: Ptychopariida Suborder: Ptychopariina Suuperamily: Ptychoparioidea Family: Ptychopariidae Species: Elrathia kingii |
![]() Order: Ptychopariida Suborder: Ptychopariina Suuperamily: Ptychoparioidea Family: Crepicephalidae Source: University of Utah |
![]() Order: Ptychopariida Suborder: Ptychopariina Superfamily: Ellipsocephaloidea Family: Yunnanocephalidae Species: Yunnanocephalus yunnanensis |
![]() Order: Ptychopariida Suborder: Ptychopariina Superfamily: Ellipsocephaloidea Family: Estaingiidae Species: Estaingia bilobata |
![]() Order: Ptychopariida |
![]() Order: Ptychopariida
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