- Nautiloidea,
whose members have a
rigid outer s**** for protection, the
coleoids have at most an
internal s****
called cuttlebone or
gladius that is used...
-
Cephalopod intelligence is a
measure of the
cognitive ability of the
cephalopod class of molluscs.
Intelligence is
generally defined as the
process of...
- All
octopuses and most
cephalopods are
considered to be
color blind.
Coleoid cephalopods (octopus, squid, cuttlefish) have a
single photoreceptor type...
-
Sepiadariidae is a
family of
coleoid cephalopods in the
order Sepiida.
Genus Sepiadarium Sepiadarium auritum Sepiadarium austrinum,
southern bottletail...
-
extinct ammonoids (ammonites) and
living coleoids (such as squid, octopus, and kin).
While ammonoids and
coleoids are
monophyletic clades with exclusive...
-
modified arms. It also
shares the
inclusion of an
internal gladius with
other coleoids,
including squid, and
eight webbed arms with
cirrate octopods. Vampyroteuthis...
-
short arms and two long tentacles. It is
hypothesized that the
ancestral coleoid had five
identical pairs of limbs, and that one
branch of
descendants evolved...
-
Formation of the Yezo
Group in Hokkaido. It is
possibly the
largest fossil coleoid ever described.
Yezoteuthis is
known from a
single upper jaw that shares...
- Landman, Neil (November 2016). Korn,
Dieter (ed.). "Proteroctopus
ribeti in
coleoid evolution". Palaeontology. 59 (6): 767–773. Bibcode:2016Palgy..59..767K...
- to both the
ammonoids and
coleoids.
Fossilized radulas from
orthocerids also
suggest a
closer affinity with
modern coleoids than with Nautilus. There...
