†Erratencrinurus (Celtencrinurus) Evitt and Tripp 1977 (trilobite)
Artiopoda - Phacopida - Encrinuridae
Full reference: W. R. Evitt and R. P. Tripp. 1977. Silicified Middle Ordovician trilobites from the families Encrinuridae and Staurocephalidae. Palaeontographica Abteilung A 157:109-174
Parent taxon: Erratencrinurus according to A. W. Owen and R. A. Heath 1989
Sister taxa: Erratencrinurus (Erratencrinurus), Erratencrinurus capricornu, Erratencrinurus lapworthi, Erratencrinurus neuter, Erratencrinurus spicatus, Erratencrinurus trippi, Erratencrinurus uncatus, Erratencrinurus vigilans
Subtaxa: none
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Ordovician of the Netherlands (1 collection), Norway (16), the United Kingdom (1)
Total: 18 collections including 19 occurrences