Leucosyrinx curviplicata ( Sysoev, 1996 )

Kantor, Yuri I., Fedosov, Alexander & Puillandre, Nicolas, 2025, Revision of the Indo-Pacific species of the genus Leucosyrinx Dall, 1889 (Neogastropoda: Conoidea: Pseudomelatomidae), European Journal of Taxonomy 999, pp. 1-126 : 94

Leucosyrinx curviplicata ( Sysoev, 1996) comb. nov.

Fig. 32D

Comitas curviplicata Sysoev, 1996: 10 , fig. 29.

Type material

Holotype INDIAN OCEAN • Gulf of Aden ; depth 1270 m; John Murray Expedition, stn 184; NHMUK 1993092 .

Paratype

INDIAN OCEAN • 1 spec., same data as for holotype; NHMUK 1993093 .

Remarks

According to the subsutural position and shape of the anal sinus that occupies entire subsutural ramp, the species should be transferred to Leucosyrinx . It resembles Leucosyrinx sp. 20 ( Fig. 11I ), differing in the shorter spire.

Distribution

Type locality.

Figures

Fig. 32. Types of species of Leucosyrinx Dall, 1889 known only from empty shells. A. L. aequatorialis Thiele, 1925, holotype, SL 13 mm (from Thiele 1925). B. L. anteridion (Watson, 1881) comb. nov., holotype, SL 22.1 mm (images by Aimee McArdle, NHMUK Photographic Unit). C. L. arcana (E.A. Smith, 1899) comb. nov., syntype, ZSI, M 926/1, SL 25.0 mm (from Annandale & Stewart 1909: pl. 9 fig. 6–6a). D. L. curviplicata (Sysoev, 1996) comb nov., holotype NHMUK 1993092, SL 32. 4 mm (images by Aimee McArdle, NHMUK Photographic Unit). E. L. eurina (E.A. Smith, 1899) comb. nov., paratype NHMUK 1904-6-15-139, SL 39 mm (photo courtesy of NHMUK). F. L. halicyria (Melvill, 1904) comb. nov., holotype, NHMUK 1905-7-14-49, SL 32.0 mm. G. L. julia Thiele, 1925, syntype, ZMB Mol 109379, SL 10.6 mm (photo courtesy of Museum für Naturkunde). H. L. pagodaeformis (Schepman, 1913) comb. nov, figured syntype, NATURALIS, ZMA.MOLL.137728, SL 28.7 mm (photo courtesy of K. Hasegawa). Shells not to scale.

Fig. 11. A–D. Leucosyrinx sp. 25. A–C. MNHN-IM-2009-13478, Philippines, 1378–1436 m SL 39.8 mm. D. MNHN-IM-2009-13429, Philippines, 593 m, SL 31.6 mm. E–F. Leucosyrinx sp. 10, MNHN-IM-2009-16749, Solomon Is., 396–423 m, SL 41 mm. G–H. Leucosyrinx sp. 21. G. MNHN- IM-2009-13325, Philippines, 953 m, SL 26.4 mm. H. MNHN-IM-2009-13324, Philippines, 1155– 1302 m, SL 27.5 mm. I. Leucosyrinx sp. 20, MNHN-IM-2009-16833, Solomon Is., 1136–1750 m, SL 28.5 mm. J–K. Leucosyrinx sp. 18. J. MNHN-IM-2013-58789, Papua New Guinea, 672–1150 m, SL 24.3 mm. K. MNHN-IM-2009-16911, Madagascar, 650–850 m, SL 22.4 mm. L. Leucosyrinx sp. 14; MNHN IM-2013-48145, Coral Sea, 490–830 m, SL 15.6 mm. A–F = at the same scale; G–L = at the same scale.