†Dellea Wilson 1949 (trilobite)
Trilobita - Ptychopariida - Dokimocephalidae
Parent taxon: Dokimocephalidae according to P. A. Jell and J. M. Adrain 2003
Sister taxa: Bellaspidella, Bellaspis, Burnetiella, Calocephalites, Chalfontia, Conaspis, Deadwoodia, Deckera, Dokimocephalus, Eshelmania, Glyptometopsis, Iddingsia, Jingxiania, Kindbladia, Kiowaia, Kyphocephalus, Lorrettina, Pinctus, Pseudosaratogia, Ritella, Sulcocephalus, Taenicephalina, Wuhuia
Subtaxa: Dellea punctata
Ecology: fast-moving low-level epifaunal carnivore