gnathorhizid
rhynchodipterid
chirodipterid
ceratodus
gyracanthid
rhizodontid
dipnorhynchid
holodontid
pycnodontid
mongolepidid
glandulocaudin
callipurbeckiid
jewfish
climatiid
gyrinocheilid
mudfish
nothobranchiid
neoceratodontid
pachyrhizodontid
rhinochimaerid
genus Neoceratodus
Neoceratodus
glaucosomatid
archaeomaenid
billfish
phyllodontid
genus Ceratodus
chionelasmatid
Peters's elephantnose fish
mongolepid
hypsidorid
coleiid
barramunda
poracanthodid
ctenacanthid
angustidontid
ionoscopid
symmoriid
iridescent shark
ctenacanthiform
loach
pituriaspid
gymnurid
dipnomorph
euchondrocephalan
monopneumonian
symmoriiform
acanthodid
protopterid
hillstream loach