New species of Muricidae (Gastropoda) and additional or noteworthy records from the western Pacific Author Houart, Roland Research Associate Institut royal des Sciences naturelles de Belgique rue Vautier, 29, B- 1000 Bruxelles (Belgium) roland. houart @ skynet. be houart@skynet.be Author Héros, Virginie Muséum national d’Histoire naturelle, Département systématique & évolution case postale 51, 57 rue Cuvier, 75231 Paris cedex 5 (France) malaco @ mnhn. fr malaco@mnhn.fr text Zoosystema 2012 2012-03-31 34 1 21 37 http://dx.doi.org/10.5252/z2012n1a2 journal article 10.5252/z2012n1a2 1638-9387 4547204 Leptotrophon minirotundus ( Houart, 1986 ) n. comb. ( Fig. 3K ) Trophon ( Trophonopsis ) minirotundus Houart, 1986: 438 , figs 4, 4a-b. TYPE MATERIAL . — Holotype (dd) MNHN 24616 . N EW MATERIAL EXAMINED (all MNHN ). — New Caledonia . BATHUS 3: stn DW836, Norfolk Ridge, 23°02’S , 166°59’E , 295-306 m , 1 dd. — Stn DW838, Norfolk Ridge, 23°01’S , 166°56’E , 400-402 m , 1 dd. TYPE LOCALITY . — New Caledonia , 22°30’S , 166°24’E , 250- 350 m . DISTRIBUTION. — New Caledonia , bathymetric range unknown for living specimens, empty shells in 306- 400 m . REMARKS Examination of additional and more mature material since the original description and comparison with the type species and other species of Leptotrophon leads us to place Trophon minirotundus in Leptotrophon based solely on shell characters. The species has never been collected alive.