Classification of Landman and Waage 1993
Or. †Ammonoidea Zittel 1884 [ammonite]
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Superfm. †Scaphitaceae Gill 1871
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Fm. †Scaphitidae Gill 1871
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Subfm. †Scaphitinae Gill 1871
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G. †Discoscaphites Meek 1870
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†Discoscaphites conradi Morton 1834
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Invalid names: Discoscaphites roanensis Stephenson 1941 [synonym]
†Discoscaphites gulosus Morton 1834
†Discoscaphites rossi Landman and Waage 1993
G. †Hoploscaphites Nowak 1911
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†Hoploscaphites birkelundi Landman and Waage 1993
†Hoploscaphites comprimus Owen 1852
†Hoploscaphites constrictus Sowerby 1817
†Hoploscaphites melloi Landman and Waage 1993
†Hoploscaphites nicolletii Morton 1842
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Invalid names: Ammonites abyssinus Morton 1841 [synonym], Scaphites mandanensis Morton 1842 [synonym]
G. †Jeletzkytes Riccardi 1983
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†Jeletzkytes dorfi Landman and Waage 1993
†Jeletzkytes nebrascensis Owen 1852
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Invalid names: Hoploscaphites cheyennensis Owen 1852 [synonym]
†Jeletzkytes nodosus Owen 1852
†Jeletzkytes spedeni Landman and Waage 1993