-
Ammonoids are extinct, (typically) coiled-s****ed
cephalopods comprising the
subclass Ammonoidea. They are more
closely related to
living octopuses, squid...
-
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...
-
Pleurohoplites is a
genus in the
ammonitid family Hoplitidae,
found in
middle Cretaceous (Upper
Albian - Cenomanian) of Europe, and
included in the subfamily...
- goniatitic. The
Ammonitina are
derived from the Phylloceratina,
another ammonitid suborder which has its
origin in the
Ceratitida of the Tri****ic. As with...
-
Frogdenites is
included in the Otoitidae, a
family which makes up part of the
ammonitid superfamily, Stephanoceratoidea.
Frogdenites has an
evolute globular s****...
-
Upper Cretaceous, and type for the Schloenbachiidae, a
family within the
ammonitid Hoplitoidea.
Schloenbachia was
named by Newmayer, 1875, the type species...
- of the
Upper Jur****ic of
eastern England and
Scotland belonging to the
ammonitid family, Perisphinctidae. Zenosteph**** is
revised from Xenosteph****,...
-
genus from the
ammonoid family Stephanoceratidae,
which is part of the
ammonitid superfamily Stephanoceratoidea, that
lived during the
early Middle Jur****ic...
-
Neocomitidae is a
family of
Lower Cretaceous ammonitids comprising genera with
strongly ribbed evolute (all
whorls exposed) to smooth,
fairly involute...
-
Reineckeites is a
Lower Jur****ic
ammonite belonging to the
ammonitid. Chile, China, Europe,
Madagascar and
Alaska Notes Sepkoski, Jack (2002). "Sepkoski's...
