Classification of the genus Isohomoceras
G. †Isohomoceras Ruzhencev and Bogoslovskaya 1971
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†Isohomoceras inostranzewi Karpinsky 1889
†Isohomoceras modestum Ruzhentsev and Bogoslovskaya 1978
†Isohomoceras praematurum Haug 1898