Classification of the genus Neokentroceras
G. †Neokentroceras Spath 1921
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†Neokentroceras costatum Haas 1942
†Neokentroceras costatum tenuis Haas 1942
†Neokentroceras crassicostatum Howarth 1965
†Neokentroceras curvicornu Spath 1922
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†Neokentroceras curvicornu crassicornutum Reyment 1955
†Neokentroceras speciosum rudis Haas 1942
Invalid names: Neokentroceras speciosum Haas 1942 [synonym]
†Neokentroceras gracillimum Kossmat 1895
†Neokentroceras magnum Haas 1942
†Neokentroceras pseudogracillimum Spath 1922
†Neokentroceras pseudovaricosum Spath 1922
†Neokentroceras pseudovaricosum gracilis Haas 1942
†Neokentroceras singulare Haas 1942
†Neokentroceras subtuberculatum Spath 1922
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†Neokentroceras choffati crassinodosa Haas 1942
Invalid names: Neokentroceras choffati Spath 1922 [synonym]
†Neokentroceras trituberculatum Howarth 1965