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Webster's 1913 Dictionary
MEROSTOMATA
Mer
`o *stom "a *
ta,
n.
pl.
Etym:
[
NL.
,
fr.
Gr.
(Zoöl.)
Defn: A
class
of
Arthropoda,
allied
to
the
Crustacea.
It
includes
the
trilobites,
Eurypteroidea,
and
Limuloidea.
All
are
extinct
except
the
horseshoe
crabs
of
the
last
group.
See
Limulus.
The Wordsmith Dictionary
The Wordsmith Dictionary