Triphoris variegatus A. Adams, 1854

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 variegatus A. Adams, 1854

Figure 9

Triphoris variegatus Adams 1854: 277-278, not illustrated.

Type locality.

"St. John’s”, British Virgin Islands.

Type material.

Syntypes: NHMUK 196554: 1 specimen, and NHMUK 196555/1-4: 4 specimens, both St. John’s, West Indies, British Virgin Islands (coll. H. Cuming) .

Original description.

T. testâ subulato-pyramidali, in medio tumidâ, albâ, maculis triangularibus rufo-fuscis variegatâ; anfractibus planulatis, triseriatim granulates, granis aequalibus, interstitiis punctatis, suturis impressis; canali brevi, apertâ.

Hab. St. John’s. Mus. Cuming.

A large variegated species, somewhat resembling in general appearance T. ornatus, Desh.

Translation of the Latin text.

Subulate-pyramidal shell, swollen in the middle, white, variegated with triangular dark red spots; flat-sided whorls, three series of equal-sized granules, punctate interstices, impressed sutures; open anterior short siphonal canal

Diagnosis.

Syntype height ranging from 5.9 to 7.9 mm. Shell conical with flat sides. Teleoconch of 12 whorls with three equally strong spiral cords which bear tubercles at the intersection with slightly prosocline axial ribs. The second cord starts at the fifth whorl in the lectotype and is initially narrow. Numerous fine spiral threads are present between the main cords. The peristome bears an initial additional spiral cord between the second and the third, very faint. Siphonal canal short. The base bears three additional granulated cords. Protonch absent in the type series. Teleoconch white with large brown blotches, base brown.

Figures

Figure 9. Triphoris variegatus A. Adams, 1851, St. John's, West Indies, coll. H. Cuming. A- F Syntype NHMUK 196554: front (A, B), side (C, D), back (E), peristome (F). G, H Original labels. I, J Syntypes NHMUK 196555 / 1 - 4. Scale bars: A-E, I, J: 1 mm; F: 0.5 mm.