- For the rest,
nautilids adapted the
standard planispiral s**** form,
although not all were as
tightly coiled as the
modern nautilids (Teichert 1988)...
- were
thought to use two of
their arms as sails. The arm
crown of
modern nautilids (genera
Nautilus and Allonautilus) is very
distinct in
comparison to coleoids...
- Naticopsis.
Nautiloid cephalopods are
represented by
tightly coiled nautilids, with straight-s****ed and curved-s****ed
forms becoming increasingly...
-
swallowed whole, so the
mouth cavity must be larger.
Externally s****ed
nautilids (Nautilus and Allonautilus) have on the
order of 90 finger-like appendages...
-
prehistoric nautiloid from the
Lower Permian of the
Urals in Russia.
Nautilids are a type of nautiloid, a
subclass of s****ed
cephalopods that were once...
-
Aturia is an
extinct genus of
Paleocene to
Miocene nautilids within Aturiidae, a
monotypic family,
established by
Campman in 1857 for
Aturia Bronn, 1838...
-
Krykyloceras is a
genus of
early nautilids that
lived during the
Middle Devonian, a
member of the same
order that
includes the
recent Nautilus. Krykyloceras...
-
Carinonautilus is a
genus of extinct,
Middle Cretaceous nautilid with a very involute,
compressed s**** in
which the
whorl section is
higher than wide...
-
survived into the
early Mesozoic,
including pseudorthocerids, bactritids,
nautilids and
possibly orthocerids. The last straight-s****ed
forms were long thought...
- The
Aipoceratidae are a
small family of
Carboniferous nautilids which have
smooth s**** and
loosely coiled to
faintly impressed whorls and in
which the...
