Triphoris (Ino) vittatus 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) vittatus Hinds, 1843

Figure 40

Triphoris (Ino) vittatus Hinds 1843b: 17, not illustrated. Illustration available in Hinds (1844): 28, pl. 8, fig. 4.

Type locality.

Straits of Malacca.

Type material.

Syntypes: NHMUK 1879.2.26.196: 2 specimens, Straits of Malacca (coll. T. Lombe Taylor) ; NHMUK 1844.6.7.20, 1 specimen, Straits of Malacca (coll. E. Belcher) ; NHMUK 1844.6.7.21, 1 specimen, Straits of Malacca (coll. E. Belcher) .

Original description.

Testa laevigata, cornea; anfractibus 22-25 transversim leviter sulcatis, medio fusco elegantissime vittatis; apertura subquadrata; sinu laterali obsoleto. Axis 8 lin.

Geog. Straits of Malacca; in 23 fathoms.

Translation of the Latin text.

Shell smooth, yellowish; 22-25 whorls crossed by faint threads, a graceful median dark band; subquadrate aperture; posterior sinus obsolete. Height 8 lines.

Diagnosis.

Syntype NHMUK 1879.2.26.196/1 17.3 mm high. Shell conical and slender, with more than 20 whorls bearing three smooth spiral cords and prosocline growth lines. A suprasutural smooth cord and very fine spiral threads are also visible. Periphery of the last whorl angulated, the base has one smoother spiral cord. Protoconch incomplete and very worn, but apparently multispiral with two spiral keels and axial riblets on the last two whorls. Teleoconch yellowish with an orange band between the second and third spiral cord.

Figures

Figure 40. Triphoris vittatus Hinds, 1843, Straits of Malacca, coll. T. Lombe Taylor. A-G Syntype NHMUK 1879.2.26.196 / 1: front (A), side (B), back (C), microsculpture (D), peristome (E), original labels (F), protoconch (G). H Figure in Hinds 1844. Scale bars: A-C: 2 mm; D: 0.5 mm; G: 0.2 mm.