Monophyletischer Stammbaum der Cephalopoden. 585 



§ 315, Hypothetischer Stammbaum der Cephalopoden. 



Oetolenae 



Octopodaria 

 Philonexida Octopodina 



Argonauta 



Ammonitaria 



Ammonitida 

 Latisellata 



Deeolenae 



Loligaria 



Arcbiteuthis 



Sepiaria 

 Sepia Ommastrephes 



Loligo 



Aegocerades 

 Angustisellata 



Spirularia 

 Spirula 



Clymenia 



Mimocerades 



Anarcestides | 



Goniatitida 



Nautolenae 



Eunautilades Bactrites 



Beloteuthis 



Belosepia 



Spirulirostra 



Aturiades 



Belemno- 

 teuthis 



Geoteuthis 



Ostracoteutbis 



Nautilus 



Orthoceratitida 

 Gompboceras 



Belemnaria 

 Belemnitida 



Pronautilades 



Aulacocerida 



Scaphopoda 



Ortliocerades 

 Teuthol enae 



Orthocerades 



Endocerades 



Conolenae 



Conularida 



Bellerophontida 



Arcbinautes 



li o 1 e n a e 



PromoUusca 



