Abstract
Deep-water species from the western Indian Ocean off the East African coast and Madagascar, belonging to the subfamily Photinae, are discussed and compared with species from the West Pacific. Phos elegantissimus Hayashi & Habe, 1965, P. hirasei Sowerby, 1913 and P. laevis Kuroda & Habe in Habe, 1961 are recorded from Mozambique and/or from Madagascar, hereby extending their known range considerably into the western Indian Ocean. The East African specimens formerly assigned to Phos roseatus Hinds, 1844 are found to differ from this West Pacific species. In total, five species are described as new: Phos ganii sp. nov., P. geminus sp. nov., P. ladoboides sp. nov., P. pulchritudus sp. nov. and P. testaceus sp. nov.
Highlights
The East African coasts of Mozambique and Madagascar are blessed with a unique fauna, largely underestimated in the past
Five species are described as new: Phos ganii sp. nov., P. geminus sp. nov., P. ladoboides sp. nov., P. pulchritudus sp. nov. and P. testaceus sp. nov
The material studied in the present paper originates partly from deep-water cruises conducted by Muséum national dhistoire naturelle (MNHN) and the Institut de Recherche pour le Développement (IRD) as part of theTropical Deep-Sea Benthosprogramme and/or by MNHN and FRAUSSEN K. et al, Deep-water Photinae from eastern Africa
Summary
The East African coasts of Mozambique and Madagascar are blessed with a unique fauna, largely underestimated in the past. Some years ago the fauna offshore of East Africa and Madagascar became investigated more intensively, leading to a large number of discoveries, among them hitherto unknown molluscan taxa.
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