Trilobita - Ptychopariida - Palaeolenidae

Parent taxon: Palaeolenidae according to P. A. Jell and J. M. Adrain 2003

Sister taxa: Alataurus, Bajangoliaspis, Megapalaeolenus, Palaeolenella, Resimopsis

Subtaxa: Palaeolenus douvillei, Palaeolenus lantenoisi, Palaeolenus tingi

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Type: Palaeolenus douvillei

Ecology: fast-moving low-level epifaunal carnivore