វគ្គជំនាញកុំព្យូទ័រ
ចំណេះដឹងទូទៅ
ម្ហូបអាហារ
កំប្លែង
ទស្សន៍ទាយ
តូច
មធ្យម
ធំ
Mollusca
ENGLISH MEANING
noun
1.
(PLURAL)
One of the
grand
divisions
of the
animal
kingdom
,
including
the
classes
Cephalopoda
,
Gastropoda
,
PteropodaScaphopoda
, and
Lamellibranchiata
, or
Conchifera
.
These
animals
have an
unsegmented
bilateral
body
, with
most
of the
organs
and
parts
paired
,
but
not
repeated
longitudinally
.
Most
of
them
develop
a
mantle
,
which
incloses
either
a
branchial
or a
pulmonary
cavity
. They are
generally
more
or
less
covered
and
protected
by a
calcareous
shell
,
which
may
be
univalve
,
bivalve
, or
multivalve
.