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Ammonoidea, Ammonoid(s), Ammonite(s)
subclass Ammonoidea Zittel, 1884
- Extinct species
- Habitat: Marine
- Distribution
- Carboniferous: Okayama, Yamaguchi
- Carboniferous-Permian: Niigata, Yamaguchi
- Permian: Iwate, Miyagi, Hiroshima, Yamaguchi
- Mesozoic: Mie
- Triassic: Iwate, Miyagi, Fukui, Tokyo, Kyoto, Okayama, Ehime
- Jurassic: Miyagi, Fukushima, Niigata, Nagano, Toyama, Fukui, Tochigi, Ibaraki, Aichi, Gifu, Mie, Yamaguchi
- Jurassic-Cretaceous: Nagano, Gifu
- Cretaceous: Hokkaido, Iwate, Miyagi, Fukushima, Nagano, Gunma, Ibaraki, Saitama, Tokyo, Chiba, Hyogo, Osaka, Wakayama, Kagawa, Tokushima, Ehime
- Cretaceous-Paleogene: Shizuoka
- Subtaxa
- Acanthoceras, genus
- Acompsoceras renevierii
- Amaltheus genus
- Anagaudryceras, genus
- Anasibirites, genus
- Ancyloceras, genus
- Arctoprionites, genus
- Arieticeras, genus
- Aspidoceras, genus
- Ataxioceras, genus
- Aulacosphinctoides steigeri
- Baculites, genus
- Berriasella, genus
- Bevahites, genus
- Canadoceras, genus
- Canavaria, genus
- Cheloniceras, genus
- Choffatia, genus
- Cleoniceras, genus
- Cleviceras chrysanthemum
- Colombiceras satowi
- Crioceras, genus
- Dactylioceras helianthoides
- Damesites, genus
- Desmoceras japonicum
- Didymoceras, genus
- Diplomoceras, genus
- Eteoderoceras, genus
- Eubostrychoceras, genus
- Eupachydiscus haradai
- Fontanelliceras fontanellense
- Gaudryceras, genus
- Goniatitida, order, Goniatid
- Grammoceras, genus
- Hammatoceras, genus
- Harpoceras, genus
- Hauericeras augustum
- Hemiprionites, genus
- Holcophylloceras, genus
- Hollandites haradai
- Hollandites japonicus
- Hoploscaphites, genus
- Hypacanthoplites spathi
- Hyperpuzosia tamon
- Hyphantoceras orientale
- Hypoturrilites komotai
- Jouaniceras paucicostatum
- Kranaosphinctes, genus
- Mantelliceras japonicum
- Meekoceras, genus
- Menuites sutneri
- Mesopuzosia, genus
- Monophyllites, genus
- Neophylloceras, subgenus
- Nipponites, genus
- Ophiceras, genus
- Oxytropidoceras, genus
- Pachydiscus, genus
- Paraceratites, genus
- Parapuzosia ambigua
- Perisphinctes, genus
- Phylloceras genus
- Polyptychoceras, genus
- Pravitoceras sigmoidale
- Protogrammoceras nipponicum
- Pseudohaploceras japonicum
- Ptychites, genus
- Puzosia subcorbarica
- Sciponoceras baculoide
- Texanites kawasakii
- Turrilites costatus
- Yabeiceras, genus
- Zelandites, genus