- An
orthocone is an
unusually long
straight s**** of a
nautiloid cephalopod.
During the 18th and 19th centuries, all s**** of this type were
named Orthoceras...
-
Orthoceras referred to all
nautiloids with a straight-s****,
called an "
orthocone" (Fenton &
Fenton 1958:40). But
later research on
their internal structures...
-
during the
entire Ordovician period. Like
other endocerids, it was an
orthocone,
meaning that its s**** was
fairly straight and pointed. It was particularly...
- species, A. nordenskjoeldi. It is
either considered the last of the "
orthocone"-type cephalopods, the only
member of its
subclass Paracoleoidea & a descendant...
- over 470
million years ago. The Bactritida, a Devonian–Tri****ic
group of
orthocones, are
widely held to be
paraphyletic without the
coleoids and ammonoids...
-
diameter and
thickness of a
calciosiphonate connecting ring and
shape of
orthocone siphuncles.
Orthocerida may thus be a
polyphyletic group,
having arisen...
- κωνικός (kōnikós) conic, conical, conicoid, conodont, conoid, conoscope,
orthocone, orthoconic,
polyconic condi-
season Latin condire condiment contra- against...
- Baculites,
which has a
nearly straight s****
convergent with the
older orthocone nautiloids.
Still other species' s**** are
coiled helically (in two dimensions)...
-
Institute for
Aesthetic Modulation (IFAM) is
operating a “Blubbering
Orthocone” at the
Coney Island Mermaid Parade, 2009. The director, Dan
Green (far...
- shapes,
including coiled morphologies and
giant straight-s****ed
forms (
orthocones). Only a
handful of rare
coiled species, the nautiluses,
survive to the...
