Phillipsiidae

Phylum:Arthropoda

Clade:†Artiopoda

Class:†Trilobita

Order:†Proetida

Phillipsiidae Temporal range: Lower Mississippian–Late Permian PreꞒ Ꞓ O S D C P T J K Pg N
Nipponaspis
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Clade:	†Artiopoda
Class:	†Trilobita
Order:	†Proetida
Superfamily:	†Proetoidea
Family:	†Phillipsiidae Oehlert, 1886

Phillipsiidae is a family of proetid trilobites, the various genera of which comprise some of the last of the trilobites, with a range that extended from the Kinderhookian epoch of the Lower Mississippian, to the end of Changhsingian age at Permian-Triassic extinction event in the latest Permian period.^[1]

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.