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C.A. - Vertebrate Phylogeny
vertebrate phylogeny
28
Biology
Undergraduate 2
09/13/2006
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Term
Agnatha
 Definition
500mya
jawless fish
Term
gnathostomes
 Definition
425mya
jawed fish
Term
Myxini
 Definition
jawless fish
hagfish
Term
Petromyzonidae
 Definition
jawless fish
lamprey
Term
Placodermi
 Definition
380mya
fossil jawed fish
Term
Condrichthyes
 Definition
370mya
cartilaginous skeleton
Term
Osteichthyes
 Definition
410mya
bony fish
Term
Actinopterygii
 Definition
ray finned fish
Term
Sarcopterygii
 Definition
~405mya
lobe-finned fish
Term
Dipnoi
 Definition
~390mya
lungfish
[sarcopterygiian]
Term
"Crossopterygii"
 Definition
~400mya
Lineage in sarcopterygii that lead to tetrapods!
Term
Tetrapods
 Definition
~350mya
Four limbs
Term
"labyrinthodonts"
 Definition
~360mya
amphibian
Term
Lissamphibia
 Definition
all recent amphibians
Term
Anura
 Definition
Frogs and toads
Term
Urodela
 Definition
salamanders and mudpuppies
Term
Caecilia
 Definition
apoda
Term
Chelonia
 Definition
turtles
Term
Squamata
 Definition
lizards
Term
Archosauria
 Definition
~200mya
includes dinos
Term
Crocodylia
 Definition
Crocodiles
[in Archosaurs]
Term
Aves
 Definition
~150mya
birds
[in Archosaurs]
Term
Mammalia
 Definition
~160mya
Term
Monotremata
 Definition
Montremes
Term
Marsupialia
 Definition
Marsupials
[Therians]
Term
Eutheria
 Definition
Placental
[Therians]
Term
Craniates
 Definition
+500mya
Term
Amniotes
 Definition
~300mya
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