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
Gadila delphinae
n. sp.
Fig.
4m
TYPE MATERIAL. —
Holotype
(dd)
MNHN 20142
and
2 paratypes
(dd)
MNHN 20143
.
TYPE
LOCALITY. —
Norfolk
Ridge
,
Banc Jumeau
Ouest
,
23°22’S
,
168°01’E
,
381-469 m
, [BATHUS 3: stn DW 827]
.
MATERIAL EXAMINED. — Only known from the
type
material.
DISTRIBUTION. —
Norfolk
Ridge
, known only from the
type
locality, shells in
381-469 m
.
DESCRIPTION. — Shell up to
8.1 mm
long, shiny, translucent when fresh, white when dead. Maximum diameter at 2/5 of the shell length from the mouth. Ventral side regularly curved; dorsal side sligthly sigmoidal between the maximum diameter and the mouth. Apex dorsoventrally depressed, with 2 short lateral notches forming flat ventral and dorsal lobes; ventral lobe with central denticle at edge. Preapical callus wide with short, irregular, longitudinal undulations in internal wall of shell on dorsal side. Caudal section long. Lumen suboval. Mouth simple, oblique, slightly dorsoventrally compressed.
REMARKS. —
Gadila delphinae
is similar to
Cadulus
(=
Gadila
)
whitneyae
Lamprell & Healy, 1998, from northern
Australia
, in general profile, but the latter is considerably smaller, less curved, has the maximum diameter centrally and apex circular and simple.
ETYMOLOGY. — Named after Delphine Brabant, MNHN, for her technical assistance and support.