198 Bulletin ofZoological Nomenclature 52(2)June 1995 OPINION 1805 Doris grandiflora Rapp, 1827 (currently Dendrodoris grandiflora) and Doridopsis guttata Odhner, 1917 (currently Dendrodoris guttata) (MoUusca, Gastropoda): specific names conserved Keywords. Nomenclature; taxonomy; Gastropoda; nudibranchs; Dendrodoris grandiflora (Mediterranean); Dendrodoris guttata (Japan, Australia). Ruling (1) Under the plenary powers the specific name guttata Risso, 1826, as published in the binomen Doris guttata, is hereby suppressed for the purposes of both the Principle ofPriority and the Principle ofHomonymy. (2) The following names are hereby placed on the Official List ofSpecific Names in Zoology: (a) grandiflora Rapp, 1827, as published in the binomen Doris grandiflora; (b) guttata Odhner, 1917, as published in the binomen Doridopsis guttata. (3) The nameguttata Risso, 1826, as published in the binomen Dorisguttata and as suppressed in (1) above, is hereby placed on the Official Index of Rejected and Invalid Specific Names in Zoology. History ofCase 2886 Anapplication fortheconservationofthespecificnameofDorisgrandifloraRapp, 1827 was received from DrsJesiis Ortea andAngel Valdes {LaboratoriodeZoologia, Universidadde Oviedo. Oviedo. Spain) on 13 April 1993. After correspondence the case was published in BZN 51: 7-9 (March 1994). Notice of the case was sent to appropriatejournals. Acommentinsupportfrom DrRichard C. Willan (MuseumandArt Galleryofthe Northern Territory, Darwin, Northern Territory. Australia) and Mr Robert Burn (Geelong. Victoria. Australia) was published in BZN 51: 256 (September 1994). These authors also pointed out that suppression of the unused specific name of Dendrodoris guttata (Risso, 1826) would conserve the junior secondary homonym D. guttata (Odhner, 1917), currently much in use, as well as the junior synonym D. grandiflora (Rapp, 1827). It was proposed on the voting paper that the specific name ofDorisguttata Risso, 1826 should be suppressed forthe purposes ofboth the Principle ofPriority and the Principle ofHomonymy (cf Proposal 6(1) on BZN 51: 8),and that thespecificnameofDoridopsisguttataOdhner, 1917should beplacedon theOfficial List, inaddition tothat ofDorisgrandiflora Rapp, 1827(cf Proposal(2)). Decision ofthe Commission On 1 December 1994 the members ofthe Commission were invited to vote on the proposals published in BZN 51: 8. with the amendment to Proposal (1) and addition to Proposal (2) noted above. At the close ofthe voting period on 1 March 1995 the 1 votes were as follows—: Affirmative votes 24: Bayer, Bock, Bouchet, Cocks, Corliss, Dupuis, Hahn, I Halvorsen, Heppell, Holthuis, Kabata, Kraus, Lehtinen, Macpherson, Mahnert, Martinsde Souza. Minelli, Nielsen, Ride, Savage, Schuster, Stys, Thompson, Willink Bulletin ofZoological Nomenclature 52(2)June 1995 199 — Negative votes I: Nye, No votes were received from Cogger, Starobogatov, Trjapitzin and Ueno. Original references The following are the original references to the names placed on an Official List and an Official Index by the ruling given in the present Opinion: grandiftora. Doris. Rapp. 1827, Nova Acta Physico-MedicaAcademiae Caesareae Leopoldiiw- Carolinae Naturae Curiosorurn. 13: 520, gutlata. Doridopsis. Odhner. 1917, Kungliga Svenska Vetenskapsakademiens Handlingar, 52(16): 62, guttata, Don's, Risso, 1826, Histoire naturelle dcsprincipalesproductions de lEurope Meridi- onaleetparticulieremetudecellesdesenvironsdeNiceeldesAlpesMaritimes,vol.4,p, 33,