Name: Thysanopeltis

Location: Devonian Jbel Zireg Morocco

Reference: TYS1

Description: Not a commun species, this thysanopeltis has a special pygidium, there is an alternating length of spines; between two long spines a short one, It makes this trilobite interesting.

Name: Thysanopeltis

Location: Eifelian Devonian (Ofaten Montain) Morocco

Reference: TYS2

Description: Prepared Thysanopeltis can't be more fine than this specimen! with its smooth skin, pygidial spines and its big flat glabella. the thorax segments are complet, except the five th pleural spine on the left side, that was cut by predator of trilobites.