Classification of the genus Orthosphinctes

G. †Orthosphinctes Schindewolf 1925
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Orthosphinctes ariniensis Melendez 1989
Orthosphinctes polygyratus Reinecke 1818
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Invalid names: Ammonites tiziani Oppel 1863 [synonym], Lithacoceras (Progeronia) pseudopolyplocoides Geyer 1961 [synonym], Nautilus colubrinus Reinecke 1818 [synonym], Perisphinctes postcolubrinus Wegele 1929 [synonym], Perisphinctes pseudobreviceps Wegele 1929 [synonym], Perisphinctes uresheimensis Wegele 1929 [synonym]
Invalid names: Biplices [synonym]