Phillipsiidae
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. 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. Subfamilies The following genera are included, divided among six subfamilies: * No subfamily **'' Phillipsia'' (type genus In biological taxonomy, the type genus (''genus typica'') is the genus which defines a biological family and the root of the family name. Zoological nomenclature According to the International ...
[...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]  

Nipponaspis
''Nipponaspis'' is a genus of Proetida, proetid trilobite belonging to the family Phillipsiidae. Fossils of the various species are found in Guadalupian, Middle Permian-aged marine strata of Fukushima Prefecture, Japan, China, Korea, and Alaska. References * Proetida fact shee
Permian trilobites Fossils of Japan Fossils of China Paleozoic life of Nunavut Phillipsiidae Proetida genera {{proetida-stub ...
[...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]