Definition of Ptyocephalus. Meaning of Ptyocephalus. Synonyms of Ptyocephalus

- Pseudoptychopyge Pseudoptyocephalus Psilocephalina Psilocephalops Ptychopyge Ptyocephalus Rhinoferus Sanbernardaspis Shergoldina Stegnopsis Stenorhachis Suriaspis...
- (=Ptychopleura; =Aposolenopleura; =Punctularia) Ptychopyge Ptyctolorenzella Ptyocephalus (=Kirkella) Puanella Puanocephalus Pudoproetus (=Zhifangia) Pugilator...
- form †Ptychopleurella uniplicata – or unidentified related form †Ptyocephalus †Ptyocephalus declevita – or unidentified comparable form †Punctospirifer Contents...
- †Ptyocephalus †Ptyocephalus accliva †Ptyocephalus declevita – type locality for species †Ptyocephalus declivita †Ptyocephalus versini †Ptyocephalus vigilans...
- †Ptychaspis †Ptychomalotoechia †Ptychomalotoechia sobrina †Ptychoparia †Ptyocephalus †Ptyocephalus montanensis – type locality for species †Pugnoides †Pugnoides...
- †Ptychopleurites bevifrons – or unidentified comparable form †Ptyocephalus †Ptyocephalus accliva †Ptyocephalus vigilans †Pugilator †Pugilator deckeri †Punctaparchites...