(Xenacanthiformes (Ctenacanthus (Hybodontiformes Neoselachii))))); following Janvier
(1996b).
Placodermi
((((Actinolepida (Phyllolepida Wuttagoonaspida)) (Phlyctaenii (Gemeundaspis
(Holonematidae ((Homostiidae Buchanosteidae) ((Brachydeiroidea (Coccosteidae
Camuropiscidae)) (Dinichthyidae Aspinothoraci))))))) (Ptycytodontida
Petalichthyida)) ((Yunnanolepididae (Sinolepidae ((Bothriolepidae Microbrachiidae)
(Pterichthyoidea Asterolepidae)))) Rhenanida)); following Goujet & Young (1995) and
Janvier (1996b).
Acanthodii
(Ischancanthidae (((Climatiidae Gyracanthidae) (Diplacanthidae Culmacanthidae))
(Mesacanthidae (Cheiracanthidae Acanthodidae)))); following Long (1986).
Actinopterygii
(Lophosteus (Andreolepis (Naxilepis (Orvikuina (Ligulalepis Dialipina (Cheirolepis (Polypterus
(Osorioichthys (Howqualepis (Mimia (Moythomasia (Tegeolepis (Stegotrachelus
Kentuckia))))))))))))); following Schultze (1992) and Taverne (1997).
228 THE ORIGIN AND EARLY EVOLUTION OF CHORDATES