Abstract
Twelve new species are assigned to the genus Otitoma Jousseaume, 1898 in the family Pseudomelatomidae Morrison, 1966 and herein described: O. hadra sp. nov., O. neocaledonica sp. nov., O. rubiginostoma sp. nov and O. tropispira sp. nov. from New Caledonia; O. boucheti sp. nov., O. nereidum sp. nov. and O. sororcula sp. nov. from the Fiji Islands; O. xantholineata sp. nov. from the Solomon to the Fiji Islands; O. crassivaricosa sp. nov. from Fiji to Hiva Oa Island (Marquesas Archipelago); O. philpoppei sp. nov. from the Philippines but also reported from the Fiji Islands; O. elegans sp. nov. from the Fiji Islands and O. philippinensis sp. nov. from the Philippines. New data on O. carnicolor (Hervier, 1896) are provided. Otitoma mitra (Kilburn, 1986), from Southern Mozambique, is here considered a synonym of O. cyclophora (Deshayes, 1863). Drillia batjanensis Schepman, 1913, previously assigned to the genus Maoritomella Powell, 1942 in the family Borsoniidae Bellardi, 1875, is here assigned to the genus Otitoma. Photographs of the holotype of Drillia batjanensis are provided for the first time. In addition, color photographs of the type specimens of the following species are provided: Drillia kwandangensis Schepman, 1913, D. timorensis Schepman, 1913 and Mitrellatoma mitra Kilburn, 1986.
Highlights
For numerous years, the French Institut de Recherche pour le Développement (IRD) and the Musèum national d’Histoire naturelle (MNHN) of Paris have been conducting an intensive sampling program in the Indo-Pacific region, in waters surrounding New Caledonia (Bouchet et al 2008)
Twelve new species are assigned to the genus Otitoma Jousseaume, 1898 in the family Pseudomelatomidae Morrison, 1966 and described: O. hadra sp. nov., O. neocaledonica sp. nov., O. rubiginostoma sp. nov and O. tropispira sp. nov. from New Caledonia; O. boucheti sp. nov., O. nereidum sp. nov. and O. sororcula sp. nov. from the Fiji Islands; O. xantholineata sp. nov. from the Solomon to the Fiji Islands; O. crassivaricosa sp. nov. from Fiji to Hiva Oa Island (Marquesas Archipelago); O. philpoppei sp. nov. from the Philippines and reported from the Fiji Islands; O. elegans sp. nov. from the Fiji Islands and O. philippinensis sp. nov. from the Philippines
Photographs of the holotype of Drillia batjanensis are provided for the first time
Summary
The French Institut de Recherche pour le Développement (IRD) and the Musèum national d’Histoire naturelle (MNHN) of Paris have been conducting an intensive sampling program in the Indo-Pacific region, in waters surrounding New Caledonia (Bouchet et al 2008). As a result of such efforts an unprecedented amount of turriform gastropods has been accumulated This material provided the basis for several studies which have been published over the last two decades, exploring the extreme morphological diversification among the Conoidean groups previously assigned to Turridae (sensu Powell 1966), but which has since been resolved in 13 distinct families (Bouchet et al 2011). Otitoma and Thelecytharella have recently been considered distinct genera by Wiedrick (2014) on the basis of the anal sinus structure This feature, seems variable within certain genera belonging to the family Pseudomelatomidae Morrison, 1966 and we prefer to follow Kilburn in considering Thelecytharella a synonym of Otitoma. We describe 12 new species of Otitoma (= Thelecytharella), which represent the more distinctive species among the available material
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