-
Acanthoceratoidea,
formerly Acanthocerataceae, is a
superfamily of
Upper Cretaceous ammonoid cephalopods belonging to the
order Ammonitida, and comprising...
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Stephanoceratoidea are
restricted to the Jur****ic.
Others like the
Hoplitoidea and
Acanthoceratoidea are
known only from the Cretaceous.
Still others like the Perisphinctoidea...
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Cretaceous superfamilies include the Desmoceratacea, Hoplitoidea, and the
Acanthoceratoidea. The
Eoderoceratoidea of the
Lower Jur****ic gave rise in the middle...
- the
Brancoceratidae which is part of the
Acanthocerataceae (renamed
Acanthoceratoidea to
conform with the ICZN
ruling on
superfamily endings) Mortoniceras...
- Phylum:
Mollusca class:
Cephalopoda Subclass:
Ammonoidea Order:
Ammonitida Superfamily:
Acanthoceratoidea Family:
Acanthoceratidae Genus: Utaturiceras...
- of the
collignoniceratid subfamily Texanitinae as well as of the
Acanthoceratoidea and has been
found in
Upper Santonian to
middle Campanian sediments...
- Revement, 1954,
included in the
family Acanthoceratidae,
superfamily Acanthoceratoidea.
Cretaceous of Brazil, Cameroon,
Colombia (Loma
Gorda Formation, Aipe...
-
Sphenodiscus is an
extinct genus of
acanthoceratacean ammonite. The
genus has been
found from many
continents and is
thought to have had a
large global...
-
raggedy ammonitic suture; type of the Coilopoceratidae, a
family in the
Acanthoceratoidea of the
suborder Ammonitina.
Coilopoceras has an
established range...
- Haploceratoidea.
Originally the
Binneyitidae was
included in the
Acanthoceratoidea based on the
possibility of
descent from a
compressed acanthoceratid...
