Trilobita - Phacopida

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

See also Jell and Adrain 2002 and Sandford 2004

Sister taxa: Acastoidea, Dalmanitoidea, Diaphanometopidae, Prosopiscidae

Subtaxa: Phacopidae Pterygometopidae

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Type: Phacopidae

Ecology: fast-moving low-level epifaunal carnivore

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