Trilobita - Phacopida

Parent taxon: Phacopida according to J. M. Adrain 2011

See also Edgecombe et al. 1999 and Harrington and Leanza 1957

Sister taxa: Calpmenella, Calymenina, Frenerinuroides, Phacopina, Sambremeusapis, Typhloiscus

Subtaxa: Cheiruridae Encrinuridae Pliomeridae

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Ecology: fast-moving low-level epifaunal carnivore

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