MolluscaBase source details
Cossmann, M. (1905). Turritella variabilis Defrance, 1828. Palaeontologia Universalis. série 2, fasc. 1, p. 88-88'.
390424
Cossmann, M.
1905
Turritella variabilis Defrance, 1828
Palaeontologia Universalis
série 2, fasc. 1, p. 88-88'.
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Turritella variabilis Defrance, 1828 † accepted as Sigmesalia variabilis (Defrance, 1828) † (additional source)