- the
Middle Ordovician,
through the Silurian, and into the Devonian.
Discosorids are
unique in the
structure and
formation of the siphuncle, the tube...
- nautiloids,
named by
Zhuravleva in 1972, ****igned to the Discosorida.
Discosorids constitute an
order of s****ed
cephalopods with
siphuncle segments that...
-
Manjoceras is a
genus of
discosorids named by Zhuravleva, 1972; a kind of
nautiloid in
which the
connecting rings of the
siphuncle are longitudinally...
-
Oncocerida was
found to be
paraphyletic and
ancestral to
ascocerids and
discosorids,
though it was an
unambiguous member of
Multiceratoidea regardless. Bisonocerids...
- neptunsakerense.[citation needed] Kroger, B.; Zhang, Y.; Isakar, M (2009). "
Discosorids and
Oncocerida (Cephalopoda) of the
Middle Ordovician Kunda and Aseri...
-
Karadzharoceras is a
genus of
discosorids from the Devonian,
named by
Zhuravleva in 1972,
possibly a
member of the Discosoridae.
Discosorids are
nautiloid cephalopods...
-
siphuncle is subcentral. The
relationship of
Mesoceras to the
other discosorids is
unclear (Teichert 1964) but it is most
likely derived from the Mandeloceratidae...
-
named by F.A.
Zhuravleva in 1972, and is
contemporary with
other late
discosorids such as
Parevlanoceras and Raphanites. Sepkoski, J.J. Jr. 2002. A compendium...
-
Simardoceras is a
genus in the
discosorid (nautiloid cephalopod)
family Westonoceratidae from the
Middle Ordovician of Quebec. The s**** of Simardoceras...
-
markedly swollen.
Landeroceras is at the end of a
small offshoot within the
discosorid family Cyrtogomphoceratidae that also
includes Cyrtogomphoceras, and not...
