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Claude Vllvens C. VlLVENS Novapex 10 (3): 69-96. 10 octobre 2009 New species and new records of Solariellidae (Gastropoda: Trochoidea) from Indonesia and Taiwan MOy L/BRarv Claude VlLVENS Rue de Hermalle, 1 13 - B-4680 Oupeye, Belgium OCT 2 9 2002 vilvens.claude(a skynet.be Harvard KEYWORDS. Gastropoda. Solariellidae. Indonesia. Taiwan. Solariella, ArchiminoliaUtSiW/^aAiy Microgaza, Bathymophila, Spectamen. new species. ABSTRACT. New records of 8 Solariellidae species from Indonesia and Taiwan area are documented. which extend the distribution area of a number of them. 10 new species are described and compared with similar species : Solariella chodon n. sp.: S. euteia n. sp.; S. plakhus n. sp.; S. chani n. sp.: Archiminolia ptykte n. sp.; A. ostreion n. sp.; A. strobilos n. sp.; Microgaza konos n. sp.; Bathymophila aages n. sp.; Spectamen babylonia n. sp. A short conchological characterization is proposed for each genus Solariella, Archiminolia. Microgaza. Bathymophila. Spectamen. Zetela and Minolta. RESUME. De nouveaux relevés de 8 espèces de Solariellidae provenant d'Indonésie et de Taïwan sont listés, étendant ainsi l'aire de distribution d'un certain nombre d'entre elles. 10 nouvelles espèces sont décrites et comparées avec des espèces similaires : Solariella chodon n. sp.; S. euteia n. sp.: S. plakhus n. sp.; S. chani n. sp.; Archiminolia ptykte n. sp.; A. ostreion n. sp.; A. strobilos n. sp.; Microgaza konos n. sp.; Bathymophila aages n. sp.; Spectamen babylonia n. sp. Une courte caractérisation conchyliologique est proposée pour chaque genre Solariella. Archiminolia. Microgaza. Bathymophila. Spectamen. Zetela and Minolta. INTRODUCTION described accurately some species. other récent "Solariella" species is an intriguing group of authors mentioned only a few (or even no) solarielline Trochoidea. whose systematics seems rather species (e.g.Dharma. 1988. 2005). The situation is complicated. Within the Solariellidae. some gênera are similar regarding Taiwan, for which no large revision available (Minolta, Microgaza. Archiminolia. of Solariellidae exists yet; some books or papers Bathymophila. Zetela. ...). but it is sometimes not describe or mention only short number of species (Lee obvious to deal with them for concrète studied & Wu. 2001: Dong. 2002). Some valuable spécimens. informations are nevertheless available for What also makes it rather difficult to study thèse comparisons in the Japanese works (Kuroda et al. trochoids is the large amount of nominal species 1971; Higo et al. 1999; Sasaki. 2000. Namikawa et al. described in the past but poorly known. often known 2002) or Australian books (Wilson. 1993). Finally. only from the types. The original descriptions dating some poorly known species may be considered using back from thèse times are sometimes short, rather the cardsofKaicher( 1987, 1990). superficial. almost without discriminating In such a context. it was of high interest to study the comparisons with other related species. Moreover, huge deep water "Solariella" material that is stored in Quinn (1979) has pointed out that the genus the MNHN (Muséum national d'Histoire naturelle. Solariella. with a large number of subgenera, was Paris) as a resuit of numerous expéditions conducted formerly used to classify miscellaneous species. some for the last thirty years (Bouchet et al.. 2008). of which were actually not Solariellidae at ail but, especially those around Taiwan and Indonesia. = most often. species belonging to the Talopiini ( The présent paper gives a synthetic report on the Monileini) tribe within the trochid subfamily Solariellidae species collected during two expéditions Umboniinae. involving MNHN scientists in eastern Indonesia and In récent years. several régional studies hâve been Taiwan areas. Besides new records for 8 known published : Herbert (1987) gave a revision of species. which sometimes extends their distribution Solariella and related species (especially I/anga) from and/or introduces some variability of shell characters. Southern Africa. Marshall (1999) carried out a similar 10 new species are described hère. study for the New Zealand area and Poppe, Tagaro & An attempt is done to propose distinctive Dekker (2006) gave an account of Solariella species conchological features of the gênera used for from the Philippine Islands. Solariellidae species. based on a collection of opinions But only a few informations are available about the of authors that gave objective criteria (Herbert. 1987; Solariellidae of Indonesia : if Schepman (1908) Marshall. 1999) and personal observations. Radular 69 C. Vil \l \s Solariellidae from [ndonesia and Taiwan characterization, if known, is also mentioned, based and BPPT (Badan Pengkajian dan Penerapan upon the indications from the same authors. Teknologi). and some Freneh scientists from ORSTOM (now IRD - Institut de Recherche pour le Materia] and methods Développement) and MNHN (Muséum national I hc material studied in tins paper was brought b\ two d'Histoire naturelle). A total of 91 stations (dredge expéditions : KARUBAR and TAIWAN 2000. hauls or trawls) were carned ont off Kai and Tanimbar I hc KAKI BAR campaign (aller Kai. Aru and Islands, at depths between 200 and 1200 m. Tanimbar Islands) took place in Banda Sea and The TAIWAN 2000 campaign took place around \ ratura Sea, off Kai Islands and Tanimbar Islands, south-western and eastern Taiwan, from July 26 to from October 21 to November 5, 1991. as the resuit of August 4, 2000, as the resuit of a partnership between a océanographie researeh partnership between the NTOU (National Taiwan Océan University), the Indonesian and Freneh scientists (Crosnier et al. TFRI (Taiwan Fisheries Research Institute), the 1997). The purpose of this expédition was to ORSTOm and the MNHN. The purpose of this investigate the deep-sea fauna and to look l'or potential campaign was to improve the knowledge of the fauna économie respurces in the deep-sea benthos of the deep-sea benthos. The campaign occurred on " " (especially shrimps). The campaign occurred on board board Fishery Researcher 1 and was leaded by Dr "Baruna Jaya 1" and was leaded by Dr Kasim Moosa Ding-An Lee with the active participation of Dr Tin- (P30 LIPI : Pusat Penelitian dan Pengembangan Yam Cham (National Taiwan Océan University of Oseanologi LIPI), with the participation of some of Keelung). A total of 53 stations (dredge hauls or his eolleagues of P30 LIPI, of several scientists from trawls) were carried out, at depths between 98 and BALITKANLAUT (Balai Penelitian Perikanan Laut) 3618 m. 120° -u (Undar S- r O r- si* Celebes Ses -_ Çan «fatal,*w.? % itrneoi Molucca Sej M t MH «a» Greater Sundjtfslaids ', :, « G ftrffWU' 3M0 KARUBAR *•*' MWUSS*ft - fttWSK 33JB ; * *•*''" n<)S SUBABAW Sondt lsH CoitMœt 10 e Timor Sea ttjrvnn AmtxmliM) Cvtfy*. ,,j> Go" c! Ncrth Map 1. Prospecting areas surveyed in this paper- approximate locations of TAIWAN 2000 and KARUBAR cruises. 70 C. VlLVENS Novapex 10 (3): 69-96, 10 octobre 2009 Regarding the distribution of the new species and the with or vvithout shoulder or keel); extension of the distribution of known species. the spiral cords of the whorls (onthogeny, number, range is taken from the internai intervais of the two beads. strength); extrêmes values. spiral cords on the base (number, beads, distance Regarding the description methodology, the main between); conchological features used are (see text figure 1 rim and spiral cord around the umbilicus. axial belovv) : pleats at rim (number); axial threads and spiral cords within the umbilicus gênerai shape of the shell (depressed, high spired (number); - cyrtonoidal, conical, coeloconoidal); shape of the aperture, the outer and the inner lip. shape of the whorls (convex, concave, straight - Text figure 1. Features of Solariellidae shells; H : height; W : width; HA : height of the aperture; PI, P2, P3, ... : primary cords (shell : llanga biradiatula (Martens, 1902), North-western Madagascar, VAUBAN 1971-1975, stn CH02). Abbreviations NSMT : National Muséum of Science, Tokyo, Japan. RMBR : Raffles Muséum of Biodiversity Research, Repositories Singapore. : IRSNB Institut royal des Sciences naturelles de ZMA : Zoologisch Muséum. Amsterdam. The Belgique, Bruxelles, Belgium. Netherlands. MNHN : Muséum national d'Histoire naturelle, Paris, France. Other abbreviations MZB : Muséum Zoologicum Bogorense, Bogor. H : height Indonesia. W : width BMNH : Natural History Muséum, London, England. HA : height of the aperture NMNS: National Muséum of Natural Sciences, TW : number of teleoconch whorls Taichung, Taiwan 71 C. VlLVENS Solariellidae l'roni Indonesia and Taiwan P1,P2,P3,... : primat) cords (PI is the most Genus Solariella Wood, 1842 adapical > type species: Solariella mandata Wood. 842 (by S1.S2, S3, ... secondai) cords (SI is the most monotypy) Pliocène. Fngland. adapical) stn : station Distinctive features. The original description of l\ : live-taken spécimens présent in sample Solariella does not really give accurate characteristics dd : no live-taken spécimens présent in sample that can be used for other species. This is also a sub : subadult spécimen problematic taxa because the type species is a fossil, ju\ : juvénile spécimen making radula and anatomy not available. From a conchological point of view, récent authors didn't give SYSTEMAT1CS really a clear définition of the genus that could be discriminant regarding other gênera like Archiminolia. We follou hère the classification ofBouchet & Rocroi It seems that what can be said is that the Solariella (2005), where Solariellidae.
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