វគ្គជំនាញកុំព្យូទ័រ
ចំណេះដឹងទូទៅ
ម្ហូបអាហារ
កំប្លែង
ទស្សន៍ទាយ
small
medium
large
Eurypteroidea
ENGLISH MEANING
noun
1.
(PLURAL)
An
extinct
order
of
Merostomata
, of
which
the
genus
Eurypterus
is the
type
. They are
found
only
in
Paleozoic
rocks
.