Review of the types of Indo-Pacific Triphoridae (Mollusca, Gastropoda) in the Muséum national d’Histoire naturelle, Paris
Author
Albano, Paolo G.
Department of Animal Conservation and Public Engagement, Stazione Zoologica Anton Dohrn, Villa Comunale, 80121 Naples (Italy) and Department of Palaeontology, University of Vienna, Althanstrasse 14, A- 1090 Vienna (Austria) pgalbano @ gmail. com (corresponding author)
Author
Franco, Davide Di
Author
Azzarone, Michele
Department of Palaeontology, University of Vienna, Althanstrasse 14, A- 1090 Vienna (Austria) davide. di-franco @ senckenberg. de mikeal. mikeal @ gmail. com
franco@senckenberg.de
Author
J., Piet A.
Naturalis Biodiversity Center, Darwinweg 2, 2333 CR Leiden (The hannco. bakker @
Author
Bakker
Netherlands) @ naturalis. nl
Author
Sabelli, Bruno
Museo di Zoologia dell’Università di Bologna, via Selmi 3, 40126 Bologna (Italy) bruno. sabelli @ unibo. it
sabelli@unibo.it
text
Zoosystema
2023
2023-01-20
45
2
13
106
journal article
10.5252/zoosystema2023v45a2
1638-9387
7569742
urn:lsid:zoobank.org:pub:11878F2F-A180-44B2-8CBC-F1577E258F6F
Mastonia ducosensis
Jousseaume, 1884
(
Fig. 45
)
Mastonia ducosensis
Jousseaume, 1884: 251
, pl. 4, fig. 10.
TYPE
LOCALITY. —
New Caledonia
.
TYPE
MATERIAL
. —
Syntypes
.
New Caledonia
•
MNHN-IM-2000-715;
7 specimens
; from type locality.
ORIGINAL
DESCRIPTION. —
Testa elongato-turrita, violacea, antice perparum ventricosa; anfractibus 20 (primi laevigati, sequentes tuberculis biseriatim dispositis, ornati), sutura tuberculos obtegentibus, separatis; ultimo subcarinato, costis moniliferis quinque, ornato; apertura ovata, lateraliter profunde fissa, fissura ovata; canali subelongato, recurvo, superne oblique striato.
Varietas major
,
long. 11, lat. 7 millim.
Varietas minor,
long. 7, lat. 2 millim.
[Latin diagnosis followed by a discussion in French]
TRANSLATION OF THE LATIN TEXT. — Turreted-elongated shell, purplish, anteriorly very little swollen; whorls are 20 (the first whorls are smooth, the following are adorned by two series of tubercles), separated by a suture hidden by the tubercles; the last whorl is slightly carinated, adorned by five granulated spiral cords; ovate aperture, laterally deeply fissured, the fissure is ovate; slightly elongated siphon, curved, above obliquely striated.
Varietas major
, length 11, diameter
7 mm
.
Varietas minor
, length 7, diameter
2 mm
.
DIAGNOSIS. — Shell conical with flat sides.
Syntypes
8.9 and
10.5 mm
high. Teleoconch of
c.
15 whorls. Three spiral cords present, the second appearing on the ninth whorl. First and third cords with tubercles at the intersection with rather prosocline axial ribs. Second cord initially as a fine thread, but later developing thin tubercles. Spiral microsculpture of weakly granulate fine threads. Peristome with an additional spiral cord below the second and third spiral cords. Posterior sinus deep. Base with two additional spiral cords of which the first with tubercles, the second smooth. Teleoconch light violet with yellow tubercles on the third spiral cord. Protoconch missing in the
syntypes
.