Myx

inifo

rme

s

Pe

tro

myz

on

tifo

rme

s

Ch

ima

erif

orm

es

Sq

ua

lifo

rme

s

La

mn

iform

es

Ra

jifo

rme

s

Myl

iob

atif

orm

es

Le

pid

osi

ren

iform

es

Co

ela

can

thifo

rme

s

Po

lyp

terif

orm

es

Aci

pe

nse

rifo

rme

s

Le

pis

ost

eifo

rme

s

Am

iifo

rme

s

Hio

do

ntif

orm

es

Elo

pifo

rme

s

An

gu

illifo

rme

s

Clu

pe

iform

es

Cyp

rinifo

rme

s

Ch

ara

cifo

rme

s

Silu

rifo

rme

s

Eso

cifo

rme

s

Sa

lmo

nifo

rme

s

Pe

rco

psi

form

es

Ga

difo

rme

s

Lo

ph

iifo

rme

s

Ath

erin

iform

es

Cyp

rino

do

ntif

orm

es

Ga

ste

rost

eifo

rme

s

Sco

rpa

en

iform

es

Pe

rcifo

rme

sP

leu

ron

ect

iform

es

Te

tra

od

on

tifo

rme

s

Aca

ntho

dii

Pla

code

rmi

Craniata

Chordata

Hol

ocep

hali

Ela

smob

ranc

hii

Sar

copt

eryg

ii

Actinoptergyii

Cep

hala

spid

-om

orph

i

Myx

ini

Teleostei

Ostariophysi Acanthopterygii

Ichthyology 425--Orders and higher taxa

6 7 8 9 10 11lab

Phylum

Superclass

Subphylum

Class

Subclass

Division

Superorder

OsteichthyesChondrichthyes

Gnathostomata

?

?

end

Pacific hagfish

end

Pacific hagfish

end

chestnut lamprey

end

sea lamprey

end

ostracoderms

end

placoderms

end

chimaeras and ratfishes

end

angel shark

end

spiny dogfish

end

white shark

end

nurse shark

end

sand tiger shark

end

blue shark

end

shark teeth

end

shark teeth

end

hammerhead sharks

end

eagle ray

end

ray egg cases

end

ray embryos

end

little skate

end

Atlantic stingray

end

Acanthodii--Climatius

end

African lungfishes

end

coelacanth

end

bichirs