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Nautilus (genus)
Nautilus
is a
genus
of
cephalopods
in the
family
Nautilidae
.
Species
in this genus differ significantly in terms of
morphology
from those placed in the sister
taxon
Allonautilus
. The oldest fossils of the genus are known from the Late Eocene
Hoko River Formation
, in Washington State and from Late-Eocene to Early Oligocene sediments in
Kazakhstan
. The oldest fossils of the modern species
Nautilus pompilius
are from Early Pleistocene sediments off the coast of
Luzon
in the
Philippines
.
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