Rolán, E.; Ryall, P.; Horro, J. (2008). Notes on West African Perrona (Gastropoda: Clavatulidae) with the description of a new species. Iberus. 26(1): 5-16.
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Rolán, E.; Ryall, P.; Horro, J.
2008
Notes on West African <i>Perrona</i> (Gastropoda: Clavatulidae) with the description of a new species