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Perisphinctoidea,
formerly Perisphinctaceae, is a
superfamily of
Middle Jur****ic (Bajocian) to
Lower Cretaceous (Barremian) ammonites,
commonly with evolute...
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Acanthoceratoidea are
known only from the Cretaceous.
Still others like the
Perisphinctoidea are
found in both.
Wikispecies has
information related to Ammonitida...
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Upper Jur****ic
include the Stephanoceratoidea,
Perisphinctoidea, and Haploceratoidea; the
Perisphinctoidea and
Haploceratoidea continued well into the Cretaceous...
- is an
extinct ammonite cephalopod genus included in the
superfamily Perisphinctoidea.
These fast-moving n****nic
carnivores lived during the Jur****ic period...
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Sutneria is ****igned to the Aulicostephanidae, part of the
superfamily Perisphinctoidea.
Sutneria playnota in jsdammonites.fr [1] Donovan, D.t. et al. 1981...
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Craspedites is an
ammonoid cephalopod included in the
Perisphinctoidea that
lived during the Late Jur****ic and
Early Cretaceous,
found in Canada, Greenland...
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Mollusca class:
Cephalopoda Subclass:
Ammonoidea Order:
Ammonitida Superfamily:
Perisphinctoidea Family:
Perisphinctidae Genus:
Involuticeras Quenstedt, 1846...
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Titanites is an
extinct ammonite cephalopod genus within the
family Dorsoplanitidae, that
lived during the late
Tithonian of the Late Jur****ic. Its fossils...
- an
extinct ammonoid cephalopod genus belonging to the
superfamily Perisphinctoidea.
These fast-moving n****nic
carnivores lived during the
Upper Jur****ic...
- Olcosteph**** is an
extinct ammonoid cephalopod genus belonging to the
family Olcostephanidae.
These fast-moving n****nic
carnivores lived during the Cretaceous...
