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Ammonoids are
extinct spiral s****ed
cephalopods comprising the
subclass Ammonoidea. They are more
closely related to
living coleoids (i.e., octopuses...
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Rollerites is a Jur****ic
ammonite belonging to the
ammonitid. France,
Saudi Arabia and
Switzerland Notes Sepkoski, Jack (2002). "Sepkoski's
Online Genus...
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Hyperlioceras is an
extinct genus of
cephalopod included in the
ammonitid family Graphoceratidae that
lived during the
Bajocian stage of the
Middle Jur****ic...
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Cranocephalites is a
Middle Jur****ic
ammonitid genus named by
Spath in 1932 and
included in the
family Cranoceratidae,
superfamily Stephanoceratacea....
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Riasanites is an
Upper Jur****ic
ammonite belonging to the
ammonitid. Poland, USSR and
Yemen Notes Sepkoski, Jack (2002). "Sepkoski's
Online Genus Database"...
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Pleurohoplites is a
genus in the
ammonitid family Hoplitidae,
found in
middle Cretaceous (Upper
Albian - Cenomanian) of Europe, and
included in the subfamily...
- lobes. Cadamoceras,
named by Munier-Chalmas in 1892, is a
member of the
ammonitid family Haploceratidae which is part of the
superfamily Haplocerataceae...
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Amaltheidae is a
family of
eoderoceratoidean ammonitids from the
Lower Jur****ic
consisting of
genera characterised by
stigated discoidal oxycones—narrow...
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Rursiceras is a Jur****ic
ammonite belonging to the
ammonitid.
France and
Switzerland Notes Sepkoski, Jack (2002). "Sepkoski's
Online Genus Database"....
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Neocomitidae is a
family of
Lower Cretaceous ammonitids comprising genera with
strongly ribbed evolute (all
whorls exposed) to smooth,
fairly involute...
