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Temporal range: Lower Mississippian–Middle Permian
Nipponaspis takaizumii.JPG
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Trilobita
Order: Proetida
Family: Phillipsiidae
Oehlert, 1886

Phillipsiidae is a family of proetid trilobites, the various genera of which comprise some of the very last of the trilobites, with a range that extended from the Kinderhookian epoch of the Lower Mississippian, to the Guadalupian epoch of the Middle Permian.

Phillipsiidae is sometimes defined as a subfamily, "Phillipsiinae," and usually placed within the family Proetidae. Jell & Adrain (2003) went so far as to lump Phillipsiidae into the family Proetidae, however other workers since like Lerosey-Aubril and Feist (2005) have continued to recognize Phillipsiidae as a distinct and separate family within Proetida.


The following genera are included, divided among six subfamilies: