- Aturidae), to
which it gave rise in the Paleocene. Kummel, B (1964). "
Nautilioidea - Nautilida".
Treatise on
Invertebrate Paleontology. Vol. Part K - Nautiloidea...
-
dorsolateral shoulders. The
suture has
shallow lobes. (ibid) Kummel,B. 1964.
Nautilioidea - Nautilida, in the
Treatise on
Invertebrate Paleontology, Part K Nautiloidea...
-
suborder Rutoceratina established later by
Shimanskiy in 1957.
Kummel 1964.
Nautilioidea - Nautilida, in the
Treatise on
Invertebrate Paleontology, Part K Nautiloidea...
-
Deltocymatoceras is an
involute cymatoceratid (
Nautilioidea-Nautilida) with
broadly arched whorl sides,
strongly convergent on a
narrow venter that bears...
- a
handful of species.
Nautiloid List of
nautiloids Kummel, B. 1964.
Nautilioidea - Nautilida, in the
Treatise on
Invertebrate Paleontology, Part K Nautiloidea...
- a deep funnel-shaped
dorsal lobe. List of
nautiloids Kummel, B 1964.
Nautilioidea - Nautilida, in the
Treatise on
Invertebrate Paleontology, Part K ; Geological...
