MolluscaBase source details
Branson, C. C. (1942). Parallelodon, Grammatodon, and Beushausenia (=Cosmetodon, new name). Journal of Paleontology. 16(2): 247-249.
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Branson, C. C.
1942
<i>Parallelodon, Grammatodon</i>, and <i>Beushausenia</i> (=<i>Cosmetodon</i>, new name)
Journal of Paleontology
16(2): 247-249
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Grammatodon (Cosmetodon) C. C. Branson, 1942 † represented as Grammatodon Meek & Hayden, 1860 † (original description)
