†Monacanthites (ceratite)
Cephalopoda - Ceratitida - Paranannitidae
Parent taxon: Paranannitidae according to E. T. Tozer 1981
Sister taxa: Arnautoceltites, Chioceras, Chiotites, Isculitioides, Meropella, Monacanthinites, Omanites, Owenites, Paranannites, Popovites, Prosphingites, Prosphingitoides, Pseudoprosphingites, Steckites, Subowenites, Vickohlerites, Zenoites
Subtaxa: Monacanthites monoceros
Ecology: nektonic carnivore