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Encrinurus
Encrinurus
is a long-lived
genus
of
phacopid
trilobites
that
lived
in what are now
Africa
,
Asia
,
Australia
,
Europe
,
North America
, and
South America
from
the middle
Ordovician
to the early
Devonian
from 472—412.3
mya
,
existing
for
approximately
.
Taxonomy
Encrinurus
was named by
Emmrich
in
1844
.
Jell
and
Adrain
list
it as a
currently
valid
genus name
within the
Phacopida
,
specifically
within the
Encrinuridae
.