Ptychoceratodus

Ptychoceratodus includes 14 children:

• Ptychoceratodus acutus
• Ptychoceratodus cionei
• Ptychoceratodus concinnus
• Ptychoceratodus cuyanus
• Ptychoceratodus donensis
• Ptychoceratodus gracilis Vorobyeva & Minikh 1968
• Ptychoceratodus ornatus
• Ptychoceratodus phillipsi
• Ptychoceratodus rectangulus (Linck 1936)
• Ptychoceratodus roemeri
• Ptychoceratodus serratus (Agassiz 1838)
• Ptychoceratodus szechuanensis
• Ptychoceratodus virapa
• Ptychoceratodus wichmanni
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