Vidria
Vidria Temporal range: Middle Permian | |
---|---|
reconstruction of adult and juvenile | |
Scientific classification | |
Kingdom: | Animalia |
Phylum: | Arthropoda |
Class: | Trilobita |
Order: | Proetida |
Family: | Phillipsiidae |
Genus: | Vidria Weller, 1944 |
Binomial name | |
Vidria vespa Weller, 1944[1] | |
Vidria vespa is a proetid trilobite belonging to the family Phillipsiidae. The fossils are found in Middle Permian-aged marine strata of Western Texas. It is unique among Permian-aged trilobites in having a posterior spine emanating from the pygidium of the adult (two such posterior spines are present in immature individuals).[1]
References
This article is issued from Wikipedia - version of the Wednesday, March 23, 2016. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.