New species and new records of scaphopods from New Caledonia
Author
Scarabino, Victor
John T. Huber
text
Mémoires du Muséum national d'Histoire naturelle
2008
196
215
268
journal article
978-2-85653-614-8
1243-4442
Cadulus deverdensis
n. sp.
Figs 3k, 4h
TYPE MATERIAL. —
Holotype
(dd)
MNHN 20123
and
6 paratypes
(dd)
MNHN 20124-20127
.
TYPE
LOCALITY. —
West
coast of
New Caledonia
,
Secteur de Koumac
,
Passe Deverd
,
20°44.7’S
,
164°14.9’E
, 90-115
m. [EXPÉDITION MONTROUZIER: stn 1321].
MATERIAL EXAMINED. —
New Caledonia
proper
. Koumac.
20°54.0’S
,
167°02.1’E
,
100-120 m
, 2 dd (
paratypes
MNHN
EXPÉDITION MONTROUZIER: stn 1321, Koumac, Passe 20125)
.
Deverd
,
20°44.7’S
,
164°14.9’E
,
90-115 m
1 dd (
holotype
Vanuatu
. MUSORSTOM 8: stn DW 1072,
15°40’S
,
167°20’E
,
MNHN 20123
)
. —
BATHUS 1: stn DW 692,
Passe
de Hienghène
,
622-625 m
, 6 dd (
1 paratype
MNHN 20126
); stn DW 1105:
20°35’S
,
164°59’E
,
140-150 m
, 2 dd (
paratypes
MNHN
15°03’S
,
167°07’E
,
154-179 m
, 1 dd (
paratype
MNHN 20124
). 20127)
.
Loyalty Islands
.
Lifou. LIFOU 2000: stn 1461, Baie du Santal,
DISTRIBUTION. —
New Caledonia
: west coast: Koumac; east coast: Passe de Hienghène;
Loyalty Islands
: Lifou, Baie
du Santal;
Vanuatu
; shells in
115-
622 m
.
DESCRIPTION. — Shell up to
4.2 mm
long, globose, translucent white. Maximum diameter close to centre of shell. Apical constriction short. In lateral view, ventral side has a regular, pronounced curve to the short caudal sector, dorsal side has an alternating very sligthly concave and convex outline. Dorsal view fusiform. Apex simple, section oval, dorsoventrally compressed. Preapical callus conspicuous, lumen oval dorsoventrally. Mouth slightly laterally compressed, oblique.
Measurements of
holotype
: L 4.2, W 1.28-1.20, mouth 0.68-0.52, w 0.52-0.44.
REMARKS. —
Cadulus deverdensis
is similar to
C. aequatorialis
Jaeckel, 1932
, from
Indonesia
, in most characters, but
in the new species the apex slopes more strongly obliquely on the ventral side.
ETYMOLOGY. — From Passe Deverd, the
type
locality.