Trilobita - Phacopida - Encrinuridae
Parent taxon: Encrinuridae according to Z. Kielan-Jaworowska et al. 1991
See also Owen 1981
Sister taxa: Aegrotocatellus, Alwynulus, Anapliomerella, Atractocybeloides, Avalanchurus, Balizoma, Batocara, Bevanopsis, Celtencrinurus, Curriella, Cybelinae, Dayongia, Distyrax, Elsarella, Encrinurinae, Eodindymene, Langgonia, Lasaguaditas, Lyrapyge, Mackenziurus, Nucleurus, Paracybeloides, Parakailia, Perirehaedulus, Perryus, Plasiaspis, Prophysemataspis, Prostrix, Sinocybele, Staurocephalidae, Staurocephalinae, Stiktocybele, Struszia, Wallacia, Wuoaspis
Subtaxa: Dindymene
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Silurian of Japan (1 collection)
• Dobrotivian of the Czech Republic (2)
• Arenig of the United Kingdom (1)
• Ordovician of China (2), the Czech Republic (3), Ireland (1), Kazakhstan (2), Norway (1), the Russian Federation (1), Sweden (5), the United Kingdom (8), United States (1: Maine)
Total: 28 collections including 30 occurrences