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Protancyloceratoidea
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Deshayesitidae
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Douvilleiceratidae
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Cretacico
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Malm
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Oxfordiano
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Calloviano
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Contatti
Sottordine
Ammonitina
Hyatt 1889
Superfamiglia
Perisphinctoidea
Steinmann 1890
Famiglia
Perisphinctidae
Steinmann 1890
Sottofamiglia
Ataxioceratinae
Buckman 1921
Ataxioceras
Kimmeridgiano
Ataxioceras (Parataxioceras)
Kimmeridgiano
Ataxioceras (Schneidia)
Kimmeridgiano
Crussoliceras
Kimmeridgiano
Garnierisphinctes
Kimmeridgiano
Lithacoceras
Oxfordiano - Titonico
Lithacosphinctes
Kimmeridgiano
Orthosphinctes
Kimmeridgiano
Sottofamiglia
Grossouvriinae
Spath 1931
Binatisphinctes
Calloviano
Choffatia
Bathoniano - Calloviano
Grossouvria
Calloviano
Hamulisphinctes
Calloviano
Homeoplanulites
Bathoniano - Calloviano
Orionoides
Bathoniano - Calloviano
Wagnericeras
Bathoniano
Sottofamiglia
Leptosphinctinae
Arkell 1950
Bigotites
Bajociano - Bathoniano
Leptosphinctes (Cleistosphinctes)
Bajociano
Leptosphinctes (Leptosphinctes)
Bajociano
Prorsisphinctes
Bajociano
Vermisphinctes
Bajociano
Sottofamiglia
Passendorferiinae
Mélendez 1984
Passendorferia
Oxfordiano
Sottofamiglia
Perisphinctinae
Steinmann 1890
Alligaticeras
Calloviano - Oxfordiano
Liosphinctes
Oxfordiano
Perisphinctes (Ampthillia)
Oxfordiano
Perisphinctes (Arisphinctes)
Oxfordiano
Perisphinctes (Dichotomoceras)
Oxfordiano - Kimmeridgiano
Perisphinctes (Dichotomosphinctes)
Oxfordiano
Perisphinctes (Discosphinctes)
Oxfordiano - Kimmeridgiano
Perisphinctes (Divisosphinctes)
Oxfordiano - Kimmeridgiano
Perisphinctes (Kranaosphinctes)
Oxfordiano
Perisphinctes (Otophinctes)
Oxfordiano
Perisphinctes (Perisphinctes)
Oxfordiano
Perisphinctes (Pseudarisphinctes)
Oxfordiano
Properisphinctes
Calloviano - Oxfordiano
Subdiscosphinctes
Oxfordiano - Kimmeridgiano
Sottofamiglia
Proplanulitinae
Buckman 1921
Proplanulites
Calloviano
Sottofamiglia
Zigzagiceratinae
Buckman 1920
Indosphinctes (Elatmites)
Calloviano
Indosphinctes (Indosphinctes)
Calloviano
Procerites (Phaulozigzag)
Bajociano - Bathoniano
Procerites (Procerites)
Bajociano - Bathoniano
Procerites (Siemiradzkia)
Bajociano - Bathoniano
Zigzagiceras
Bathoniano
Sottofamiglia
Virgatitinae
Spath 1923
Virgatites
Titonico
Zaraiskites
Titonico