Biology:Paraceraurus
From HandWiki
Short description: Genus of trilobites
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.
Wikidata ☰ Q18926255 entry
Original source: https://en.wikipedia.org/wiki/Paraceraurus.
Read more |