Paraceraurus
| Paraceraurus Temporal range: Ordovician
| |
|---|---|
| |
| Paraceraurus exsul | |
| Scientific classification | |
| Kingdom: | |
| Phylum: | |
| Class: | |
| Order: | |
| Suborder: | |
| Family: | |
| Genus: | Paraceraurus Männil, 1958 [1]
|
Paraceraurus is a genus of trilobites that lived in the Ordovician period (485.4 to 443.4 Ma). Its remains have been found in China, Estonia, Sweden and North America.[2] These trilobites have a rounded and moderately convex cephalon. Glabella is convex or flattened, with a sub-rectangular outline. Thorax shows eleven segments.[3]
Selected species
- Paraceraurus exsul
- Paraceraurus aculeatus
- Paraceraurus ingricus
- Paraceraurus gladiator
- Paraceraurus macrophthalmus
- Paraceraurus spinulosus
References
- Trilobite: Eyewitness to Evolution by Richard Fortey
- Trilobites of the families Cheiruridae and Encrinuridae from Estonia.] Geoloogia Instituudi Uurimused [Trud Inst Geol Acad Sci Est SSR] Tallinn, 3 1958: 165-205, 210-212. [Zoological Record Volume 95]
- V. Klikushin, A. Evdokimov, A. Pilipyuk. Ordovician Trilobites of the St. Petersburg Region, Russia, 2009.
Wikimedia Commons has media related to Paraceraurus.
| This Phacopida-related article is a stub. You can help Wikipedia by expanding it. |