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Species / Rimella Gracilis
Stromboidea
Original Description of Rimella gracilis by Ma & Zhang, 1996, p. 60:
- "Shell small, slender, nearly fusiform, solid, spire turrited and body whorl slightly ventricose, but on the anterior contract; whorls about 11 and 1/2, whorls and increasing slowly in width; suture sallow Outer surface, except protoconch and 1/2 glossy smooth, with numerous longitudinal ribs and numerous fine transvers groove struae, whick cross longitudinal ribs became cancellated on the surface, usually appear varices on the spire whorls. The aperture narrow ovate outer marginal thick; outer lip inside with serrate, anterior half the serrate extending outer marginal; inner lip thick, smooth, posterior cannal long and narrow and runs over two or the spire whorls, anterior cannal short, recuved toward right. Shell white with three and two brwonish bands on the hody whorl and spire whorls respectively (old shells indistinct), usually, with three brwornish spots on the outer marginal aperture."
Locus typicus: Nansha Islands (111°45'14"E, 3°43'87"), Hainan Province, China
Types: holotype no. 37263, deposited in the Institute of Oceanology, Academia Sinica
Discussion Ma & Zhang, 1996, p. 61:
- "The new species is similar Rimella cancellata (Lamarck), but differs it by the slender shape and insude aperture is white."
References
- Liu J.Y. [Ruiyu] (ed.) (2008) Checklist of marine biota of China seas. China Science Press. 1267 pp.
- Ma & S. Zhang, 1996. Studies on the species of Mesogastropoda (Prosobranchia) supplement and two new species of the Nansha Islands, Hainan Province, China. Studies on marine fauna and flora and biogeography of the Nansha Islands and neighbouring waters. II., Institute of Oceanology, Chinese Academy of Sciences, 1996: i-vii, 1-309. Chapter pagination: 41-61.
- Zhang Supin, 2016. Mollusca, Gastropoda, Strombacea and Naticacea IN Fauna Sinica, Invertebrata vol. 56, Science Press Beijing, i-viii, 1-318, pls. I-X [in Chinese].
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