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Meaning of PLACODERM
WordNet Dictionary
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
Websites:
See Also:
aquatic vertebrate
,
class Placodermi
,
Placodermi
Webster's 1913 Dictionary
Definition:
\
Plac
"
o
*
derm
\,
n
. [
Gr
. ?, ?,
tablet
+ ?
skin
.] (
Paleon
.)
One
of
the
Placodermi
.
Glossary
Definition:
a member of the extinct class of early jawed vertebrates.
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