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Extinct superfamily of trilobites From Wikipedia, the free encyclopedia
Ptychoparioidea is a superfamily of the Ptychopariida order of trilobites.[1][2][3][4]
Ptychoparioidea Temporal range: | |
---|---|
Elrathia kingii (family Alokistocaridae) from the Wheeler Shale (Middle Cambrian), Utah. | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Arthropoda |
Class: | †Trilobita |
Order: | †Ptychopariida |
Superfamily: | †Ptychoparioidea Pour and Popov, 2008 |
Families | |
See text |
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