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 loyaltyensis
n. sp.
Figs 3l, 4j
TYPE MATERIAL. —
Holotype
(dd)
MNHN 20132
and
9 paratypes
(dd)
MNHN 20133-20136
.
TYPE
LOCALITY. — Loyalty Ridge, Mont J,
23°49’S
,
169°48’E
,
685-715 m
[BATHUS 3: stn DW 790].
MATERIAL EXAMINED. —
New Caledonia
proper
. BATHUS 2: 790,
23°49’S
,
169°48’E
,
685-715 m
, 5 dd (
holotype
MNHN
stn CP 743,
Passe
de Boulari
,
22°36’S
,
166°26’E
,
713-950 m
, 2 20132,
4 paratypes
MNHN 20133
)
.
dd (
paratypes
MNHN
20135).
Vanuatu
. MUSORSTOM 8: stn DW 972, Ile Tanna,
19°22’S
,
Loyalty Ridge
. BATHUS 3: stn DW 786, Mont J,
23°54’S
,
169°28’E
,
487-507 m
, 2 dd (
paratypes
MNHN
20136).
169°49’E
,
699-715 m
, 4 dd (
1 paratype
MNHN
20134); stn DW
DISTRIBUTION. —
New Caledonia
,
Loyalty Ridge
and
Vanuatu
, shells in
487-715 m
.
DESCRIPTION. — Shell up to
2.53 mm
long, translucent. Maximum diameter at centre of shell. In lateral view, ventral side has a regular, pronounced curve, dorsal side has an alternating slightly concave and convex outline. Dorsal view fusiform, without caudal constriction. Apex simple, wide, section oval, dorsoventrally compressed. Preapical callus conspicuous, lumen oval dorsoventrally. Mouth slightly laterally compressed.
Measurements of
holotype
: L 2.53, W 0.73-0.66, mouth 0.40-0.36, w 0.33-0.30.
REMARKS. — This small species differs from all similar ones mainly in the absence of a caudal constriction and in its wide posterior aperture.
ETYMOLOGY. — Named from the Loyalty Ridge, the
type
locality.