nuricus is known from one or two specimens from Emsian strata in the Qaranghandy Region in Kazakhstan, and named for the Nura River.
The Klerf Formation is an Early Devonian (Emsian) formation that includes a Lagerstätte in the Northern Eifel hills, at Willwerath near Prüm, Rhineland-Palatinate, Germany.
Fossils of this genus are found in the Xindu Formation portion of the Late Emsian-aged Chuandong Assembly, in Pingle, Guangxi Province, China.