Classification of the genus Eumorphoceras

G. †Eumorphoceras Girty 1909
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Eumorphoceras angustum Moore 1946
Eumorphoceras bisati Horn 1960
Eumorphoceras girtyi Elias 1956
Eumorphoceras hudsoni Gill 1947
Eumorphoceras medusa Yates 1961
Eumorphoceras milleri Gordon 1964
Eumorphoceras ornatissimum Miller and Youngquist 1948
Eumorphoceras paucinodum Gordon 1964
Eumorphoceras richardsoni McCaleb et al. 1964
Eumorphoceras rota Yates 1961
Eumorphoceras tornquisti Wolterstoff 1899
Eumorphoceras transuralense Ruzhentsev and Bogoslovskaya 1971
Eumorphoceras tumulosum Ruzhentsev and Bogoslovskaya 1971