A new genus and thirteen new species of Scaphopoda (Mollusca) from the tropical Pacific Ocean
Author
Scarabino, Victor
Muséum national d’Histoire naturelle, département Systématique et Évolution, case postale 51, 57 rue Cuvier, F- 75231 Paris cedex 05 (France) and Museo Nacional de Historia Natural, Montevideo (Uruguay) victor. scarabino @ mnhn. fr
scarabino@mnhn.fr
Author
Scarabino, Fabrizio
Museo Nacional de Historia Natural, Montevideo (Uruguay)
text
Zoosystema
2010
2010-09-30
32
3
409
423
http://www.bioone.org/doi/abs/10.5252/z2010n3a3
journal article
10.5252/z2010n3a3
1638-9387
4554365
Fustiaria electra
n. sp.
(
Fig. 1
H-K)
TYPE
MATERIAL
. —
Fiji
.
BORDAU
1, stn DW 1469, Lau Ridge (Vatoa),
19°40’S
,
178°10’W
,
314-377 m
,
1 lv
holo-
type (
MNHN 22775
)
;
1 lv
paratype
(
MNHN 22776
). —
Stn DW
1472,
Lau Ridge
(Vatoa),
19°40’S
,
178°10’W
,
262-266 m
, 2 dd
paratypes
(
MNHN 22777
)
.
TYPE
LOCALITY
. —
Fiji
, Lau Rigde (Vatoa),
19°40’S
,
178°10’W
,
314-377 m
(
BORDAU
1, stn
DW
1469).
ETYMOLOGY. — From the Latin
electrum
meaning “amber”, highlighting the colour of the shell.
OTHER MATERIAL EXAMINED. —
Fiji
.
BORDAU 1, stn DW 1469, Lau Ridge (Vatoa),
19°40’S
,
178°10’W
,
314-377 m
, 3 dd. — Stn DW 1471, Lau Ridge (Vatoa),
19°40’S
,
178°10’W
,
280-296 m
, 2 dd.
Tonga
.
BORDAU
2, stn DW 1532, seamount,
21°44’S
,
175°20’W
, 322-
322 m
, 1 dd. — Stn DW 1535, seamount,
21°43’S
,
175°18’W
,
268 m
,
1 lv
, 4 dd. — Stn DW 1587,
Vava‘u
group,
18°37’S
,
173°54’W
,
309-400 m
, 4 dd. — Stn DW 1634, seamount,
21°45’S
,
175°20’W
,
321-322 m
, 1 dd.
Wallis Island
.
MUSORSTOM 7, stn DW 601,
13°19’S
,
176°17’W
,
350 m
, 1 dd. — Stn DW 610,
13°21’S
,
176°09’W
,
286 m
, 1 dd.
DISTRIBUTION. —
Fiji
,
Wallis Island
and
Tonga
. Live at
268 m
, shells to
350 m
.
DESCRIPTION
Shell
28.6 mm
long, solid, polished, slowly tapering and gently curved. Entirely coloured dark-yellow to orange. Apex with short projection of internal wall, oblique on dorsal side, a notch on dorsal side and a long regular slit in the ventral side. Shell section circular.
Measurements of
holotype
:L 28.6, W2.8, w 1.05, arc 2 at 11 from the apex
REMARKS
Fustiaria electra
n. sp.
most closely resembles
F.caesura
(Colman, 1958)
(
holotype
AMS C62230, examined) from eastern
Australia
, the other completely coloured
Fustiaria
species described from the area, which is clearly more tapering than
F. electra
n. sp.
(see
Scarabino 1995
: fig.
88g
;
Lamprell & Healy 1998
). Also more tapering are the other three
Fustiaria
species that exhibit a long ventral slit in the tropical Pacific:
F. nipponica
(Yokoyama, 1922)
, the commonest species, which is translucent white and prefers shallow water;
F. mariae
Scarabino, 2008
, which is coloured only on the apical sector; and
F. steineri
Scarabino, 2008
, which is white and polished, characterized by the different wall thickness of the dorsal and ventral sides, and which tapers clearly more rapidly than the other species (see
Scarabino 1995
: fig. 88e; 2008).