Classification of the genus Gaudryceras

G. †Gaudryceras de Grossouvre 1894
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Subg. †Gaudryceras (Gaudryceras) de Grossouvre 1894
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Invalid names: Gaudryceras salinarium Douville 1931 [synonym]
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Invalid names: Gaudryceras vascogoticum Wiedmann 1962 [synonym], Lytoceras (Gaudryceras) amapondense van Hoepen 1920 [synonym]
Gaudryceras (Gaudryceras) strictum Kennedy et al. 2007
Gaudryceras aenigma Haas 1942
Gaudryceras beantalyense Collignon 1956
Gaudryceras hobetsense Shigeta and Nishimura 2013
Gaudryceras izumiense Matsumoto and Morozumi 1981
Gaudryceras kayei Forbes 1846
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Invalid names: Lytoceras (Gaudryceras) birkhauseri Anderson 1958 [synonym], Lytoceras (Gaudryceras) coalingense Anderson 1958 [synonym]
Gaudryceras makarovense Shigeta and Maeda 2005
Gaudryceras mite Hauer 1866
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Invalid names: Puzosia lytoceroides Haas 1952 [synonym]
Gaudryceras numidum Coquand 1890
Gaudryceras propemite Marshall 1926
Gaudryceras seymouriense Macellari 1986
Gaudryceras stefaninii Venzo 1936
Gaudryceras striatum Jimbo 1894
Gaudryceras varagurense Kossmat 1895
Invalid names: Epigaudryceras Shimizu 1934 [synonym], Hemigaudryceras Shimizu 1934 [synonym], Mesogaudryceras Spath 1927 [synonym], Neogaudryceras Shimizu 1935 [synonym], Pseudogaudryceras Shimizu 1934 [synonym], Vertebrites Marshall 1926 [synonym]