Paraceraurus
| Paraceraurus Temporal range: Ordovician | |
|---|---|
 | |
| Paraceraurus exsul | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Trilobita |
| Order: | Phacopida |
| Family: | Cheiruridae |
| 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
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]
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