Classification of Peel 1991
G. †Bucania Hall 1847
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†Bucania gracillima Koken 1896
†Bucania groenlandica Peel 1991
†Bucania lindsleyi Safford 1869
†Bucania robusta Whiteaves 1904
†Bucania squamosus Lindström 1884
†Bucania stephnae Peel 1991
†Bucania sulcatina Emmons 1842
Subfm. †Bucaniinae Ulrich and Scofield 1897
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G. †Conradella Ulrich and Scofield 1897
G. †Megalomphala Ulrich and Scofield 1897
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†Megalomphala contorta d'Eichwald 1856
†Megalomphala dawesi Peel 1991
†Megalomphala gotlandica Peel 1991
†Megalomphala marjorae Peel 1991
†Megalomphala septentrionale Poulsen 1974
†Megalomphala taenia Lindström 1884
†Megalomphala wilfredi Peel 1991
G. †Phragmolites Conrad 1838
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†Phragmolites compressus Conrad 1838
†Phragmolites euryomphalus Lindström 1884
†Phragmolites hyperboreus Troedsson 1928
†Phragmolites obliqua Ulrich and Scofield 1897
†Phragmolites pinguis Koken and Perner 1925
†Phragmolites suarezi Fischer 1969
G. †Salpingostoma Roemer 1876
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†Salpingostoma boreale Whiteaves 1904
†Salpingostoma martinssoni Peel 1991
†Salpingostoma megalostoma d'Eichwald 1840
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Invalid names: Salpingostoma crassum Koken and Perner 1925 [synonym], Salpingostoma granulosum Koken and Perner 1925 [synonym]
†Salpingostoma orientale Twenhofel 1928