Phillipsiidae
| Phillipsiidae Temporal range:
| |
|---|---|
| |
| Nipponaspis | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| 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.
Subfamilies
[edit]The following genera are included, divided among six subfamilies:
- No subfamily
- Subfamily Archegoninae
- Subfamily Bollandiinae
- Subfamily Cummingellinae
- Subfamily Cyrtosymbolinae
- Subfamily Ditomopyginae
- Subfamily Thaiaspidinae
- Subfamily Weaniinae
References
[edit]- ^ Gon III, S. M. "The Last Trilobites". Trilobites.info. Retrieved 5 June 2018.
Further reading
[edit]- Bresinski, David K 2000. Lower Mississippian Trilobites from Southern New Mexico. Jour. Paleontology V74(6), 1043-1965
External links
[edit]
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