placoderm
English Dictionary
->
Letter P
-> placoderm
Search Dictionary:
placoderm Definition
(n)
fishlike
vertebrate
with
bony
plates
on
head
and
upper
body
;
dominant
in
seas
and
rivers
during
the
Devonian
;
considered
the
earliest
vertebrate
with
jaws
placoderm Synonyms
placoderm
© Art Branch Inc.