The Genus Enixotrophon (Gastropoda: Muricidae: Pagodulinae): an Update on Species from the Tropical Indo-West Pacific

Type Article
Date 2023
Language English
Author(s) Houart Roland1, 2
Affiliation(s) 1 : Research Associate, Institut royal des Sciences naturelles de Belgique, Rue Vautier 29, 1000 Bruxelles, Belgium
2 : Research Associate, Institute of Systematics, Evolution, Biodiversity (ISYEB), Muséum national d’Histoire naturelle (MNHN), CNRS, SU, EPHE, UA, CP 51, 57 rue Cuvier, 75005 Paris, France
Source Venus (Journal of the Malacological Society of Japan) (2189-7697) (The Malacological Society of Japan), 2023 , Vol. 81 , N. 1-4 , P. 26p.
DOI 10.18941/venus.81.1-4_1
Keyword(s) Muricidae, Enixotrophon, expeditions, Tropical Indo-West Pacific
Abstract

Fifteen species of Enixotrophon collected during expeditions of the Tropical Deep-Sea Benthos programme are reported from the Indo-West Pacific. All are illustrated using the holotypes and material collected during more than 30 years. The species were collected in the bathyal zone, living specimens occurring in depths from 198 to 1,280 m, with a majority between 250 and 800 m. One new combination, Enixotrophon pistillum (Barnard, 1959), is introduced; Trophon johannthielei Barnard, 1959 and Trophonopsis ziczac Tiba, 1981 are synonymised with E. pulchellus (Schepman, 1911). New geographical distribution data are presented for E. lochi (Marshall & Houart, 2011), E. pistillum, E. planispinus (E.A. Smith, 1906), E. plicilaminatus (Verco, 1909), E. pulchellus (Schepman, 1911) and E. sansibaricus (Thiele, 1925). Six species are recorded from the New Caledonia region, E. lochi, E. multigradus (Houart, 1990), E. obtuseliratus (Schepman, 1911), E. plicilaminatus (Verco, 1909), E. procerus (Houart, 2001) and E. pulchellus (Schepman, 1911). E. karubar n. sp. is described from Indonesia and one subadult specimen collected in the Mozambique Channel during the MAINBAZA expedition remains unidentified (Enixotrophon sp. cf. E. sansibaricus).

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