Triphoris (Ino) micans Hinds, 1843

Albano, Paolo G., Bakker, Piet A. J. & Sabelli, Bruno, 2019, Annotated catalogue of the types of Triphoridae (Mollusca, Gastropoda) in the Natural History Museum of the United Kingdom, London, Zoosystematics and Evolution 95 (1), pp. 161-308 : 161

Triphoris (Ino) micans Hinds, 1843

Figure 32

Triphoris (Ino) micans Hinds 1843b: 18, not illustrated. Illustration available in Hinds (1844): 29, pl. 8, fig. 9.

Type locality.

New Guinea.

Type material.

Syntypes: NHMUK 1844.6.7.10: 1 specimen, and NHMUK 1844.6.7.11: 1 specimen, both New Guinea (coll. E. Belcher) ; NHMUK 1879.2.26.209, 2 specimens (coll. T. Lombe Taylor) .

Original description.

Testa gracili attenuata, fusca; anfractibus 20-22, supra coarctatis, triseriatim granulosis, serie inferiore maxima albida, superiore minima; apertura subquadrata; sinu laterali lineari. Axis 6 lin.

Geog. New Guinea; dredged from mud in from 5 to 18 fathoms.

Translation of the Latin text.

Slender, dark shell; 20-22 whorls, narrow above, with three series of granules, the whitish lower is the greatest, the upper one is the smallest; subquadrate aperture; linear posterior sinus. Height 6 lines.

Diagnosis.

Syntypes 12.2-13.3 mm high. Shell conical, narrow and very elongated. Teleoconch of ca 20 whorls with flat sides bearing three spiral cords with large tubercles at the intersection with prosocline axial ribs. The base has two additional almost smooth spiral cords. The last half whorl and peristome bear additional spiral cords between the main ones. Anterior siphonal canal long. The lectotype protonch is incomplete and worn but clearly multispiral and composed of at least four whorls with two strong keels; axial riblets are also likely present. Shell white to creamy-white.

Remarks.

The syntypes NHMUK 1844.6.7.10 and 1844.6.7.11 are broken into two fragments .

Figures

Figure 32. Triphoris micans Hinds, 1843. A-F, I Syntype NHMUK 1844.6.7.10, New Guinea (coll. E. Belcher): front (A), side (B), back (C), protoconch (D, E), microsculpture (F), original labels (I). G, H, K Syntype NHMUK 1879.2.26.209, New Guinea (coll. T. Lombe Taylor): front (G), back (H), original labels (K). J Figure in Hinds 1844. Scale bars: A-C, G, H: 2 mm; D, E: 0.2 mm; F: 0.3 mm.