†subphylum Protocephalorhynca Adrianov and Malakhov 1995
Parent taxon: Cephalorhyncha according to D. I. Gravestock et al. 2001
Sister taxa: none
Subtaxa: none
Distribution: there are no occurrences of Protocephalorhynca in the database
Parent taxon: Cephalorhyncha according to D. I. Gravestock et al. 2001
Sister taxa: none
Subtaxa: none
Distribution: there are no occurrences of Protocephalorhynca in the database