-
Haploceratoidea,
formerly Haplocerataceae, is an
extinct superfamily of
ammonoid cephalopods belonging to the
Ammonitida that
unites three families, Strigoceratidae...
- the Stephanoceratoidea, Perisphinctoidea, and
Haploceratoidea; the
Perisphinctoidea and
Haploceratoidea continued well into the Cretaceous. Exclusively...
-
Brambilla (2019). "Pseudosonninia, a new
genus of
oppeliid ammonite (
Haploceratoidea) from the
Callovian (Middle Jur****ic) of the Neuquén Basin, Argentina"...
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Animalia Phylum:
Mollusca class:
Cephalopoda Subclass:
Ammonoidea Order:
Ammonitida Superfamily:
Haploceratoidea Family:
Strigoceratidae Genus: Oecoptychius...
- family, Polyorphitidae. The Stephanoceratoidea, Perisphinctoidea, and
Haploceratoidea have
their source in the
Hammatoceratidae which is
derived from the...
-
Bajocian stage,
middle Jur****ic,
included in the Strigoceratidae,
Haploceratoidea. The s**** is oxyconic, with a
sharp rim but no keel, and involute...
- The
Haploceratidae is the type
family of the
Haploceratoidea, a
superfamily in the ammonitina;
which according to
Donovan et al. (1981) can be derived...
- The
Strigoceratidae is a
family in the
ammonitid superfamily Haploceratoidea,
restricted to the
lower Middle Jur****ic,
Bajocian stage,
possibly derived...
-
Oppeliidae are
compressed to oxyconic,
sculptured Haploceratoidea,
either unkeeled, unicarinate, bicarinate, or tricarinate; with
sutures in
great variety...
-
Hecticoceras is an
ammonite genus belonging to the
haploceratoid family Oppeliidae, that
lived during the
Middle and Late Jur****ic, from the Callovian...
