blochiid
mongolepid
mongolepidid
lophosteiform
acritolepid
buchanosteoid
elpistostegalian
cochliodont
genus Eptatretus
gyracanthid
neopterygian
obaichthyid
osteichthyan
macrosemiiform
Krypterophaneron
genus Krypterophaneron
ganoid
palaeoichthyology
ganoid fish
pigfish
hoplichthyid
ionoscopid
archaeomaenid
eusthenodont
oblique-swimming triplefin
ctenacanthiform
cladoselachian
acanthodiform
fish species
cheirodontine
pituriaspid
crossognathiform
polybranchiaspiform
Astropogon
genus Astropogon
callipurbeckiid
ctenacanthid
Placodermi
class Placodermi
paleofish
distichodontid
bryconid
palaeonisciform
carangid fish
hypsidorid
carangid
euteleost
euteleostean
pycnodontid
haarder