វគ្គជំនាញកុំព្យូទ័រ
ចំណេះដឹងទូទៅ
ម្ហូបអាហារ
កំប្លែង
ទស្សន៍ទាយ
តូច
មធ្យម
ធំ
Tetrabranchiata
ENGLISH MEANING
noun
1.
(PLURAL)
An
order
of
Cephalopoda
having four
gills
.
Among
living
species
it
includes
only
the
pearly
nautilus
.
Numerous
genera
and
species
are
found
in the
fossil
state
,
such
as
Ammonites
,
Baculites
,
Orthoceras
,
etc
.