-
Ammonoids are extinct, (typically) coiled-s****ed
cephalopods comprising the
subclass Ammonoidea. They are more
closely related to
living octopuses, squid...
- the
subclass Ammonoidea and
included in the
family Crioceratidae of the
ammonitid superfamily Ancylocerataceae.
Crioceras is
considered by some to be a...
- goniatitic. The
Ammonitina are
derived from the Phylloceratina,
another ammonitid suborder which has its
origin in the
Ceratitida of the Tri****ic. As with...
-
Coilopoceras is a compressed, involute,
lenticular ammonitid from the
Cretaceous (Albian to Turonian), with a
narrow venter and
raggedy ammonitic suture;...
-
Promicroceras is
included in the
family Eoderoceratidae,
which is part of the
ammonitid superfamily Eoderoceratoidea. S**** are
evolute with an open umbilicus;...
-
Hyperlioceras is an
extinct genus of
cephalopod included in the
ammonitid family Graphoceratidae that
lived during the
Bajocian stage of the
Middle Jur****ic...
-
Upper Cretaceous, and type for the Schloenbachiidae, a
family within the
ammonitid Hoplitoidea.
Schloenbachia was
named by Newmayer, 1875, the type species...
-
Riasanites is an
Upper Jur****ic
ammonite belonging to the
ammonitid. Poland, USSR and
Yemen Notes Sepkoski, Jack (2002). "Sepkoski's
Online Genus Database"...
- Hyatt, is
included in the
arietitid family of the Psiloceratoidea, an
ammonitid superfamily. Its
distribution is
fairly worldwide,
having been
found in...
-
chamber is
smooth with a
rounded venter.
Callihoplites is a
member of the
ammonitid family Hoplitidae and
superfamily Hoplitoidea, now also
known as the Hoplitoidea...
