On the taxonomical status of Tritonium viridulum Fabricius, 1780 (Gastropoda: Cancellariidae)
Sneli, J.-A.; Stokland, Ø. (1986). On the taxonomical status of Tritonium viridulum Fabricius, 1780 (Gastropoda: Cancellariidae). The Nautilus 100(4): 121-124
In: The Nautilus. Bailey Matthews Shell Museum: Silver Spring. ISSN 0028-1344, more
The taxonomic and nomenclatorial problems associated with the species Admete viridula (Fabricius, 1780) are discussed. The fact that the type specimens of both Admete viridula and A. crispa Moeller, 1842 are missing from the Zoological Museum in Copenhagen complicates the situation considerably as three species are involved, Tritonium viridulum Fabricius, 1780, Defrancia viridula Moeller, 1842, and D. exarata Moeller 1842. Fabricius's name is to be regarded as a nomen dubium and Admete couthouyi (Jay, 1839) should be used as the correct name for that species. Moeller's D. viridula and D. exarata are both good species; but D. viridula should probably be named Oenopata decussata (Couthouy, 1839) and D. exarata, Propebela exarata (Moeller, 1842).
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