Fehse, D. (2003). Contributions to the knowledge of the Ovulidae (Gastropoda: Cypraeoidea). XII. The Cyphoma-Pseudocyphoma Complex. La Conchiglia. 35(307): 11-34, pl. 1-7. (I part); 35(308): 11-39, pl. 8-17, tabs 1-2 (II part).
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Fehse, D.
2003
Contributions to the knowledge of the Ovulidae (Gastropoda: Cypraeoidea). XII. The <i>Cyphoma-Pseudocyphoma</i> Complex
La Conchiglia
35(307): 11-34, pl. 1-7. (I part); 35(308): 11-39, pl. 8-17, tabs 1-2 (II part).