វគ្គជំនាញកុំព្យូទ័រ
ចំណេះដឹងទូទៅ
ម្ហូបអាហារ
កំប្លែង
ទស្សន៍ទាយ
តូច
មធ្យម
ធំ
Rugosa
Same as:
tetracoralla
ENGLISH MEANING
noun
1.
(PLURAL)
An
extinct
tribe
of
fossil
corals
,
including
numerous
species
,
many
of
them
of
large
size
. They are
characteristic
of the
Paleozoic
formations
. The
radiating
septs
,
when
present
, are
usually
in
multiples
of four.