Rissoidae (Mollusca: Gastropoda) from northeast Atlantic seamounts
Author
Gofas, Serge
text
Journal of Natural History
2007
2007-06-04
41
13 - 16
779
885
http://dx.doi.org/10.1080/00222930701298085
journal article
10.1080/00222930701298085
1464-5262
5229647
Crisilla ovulum
n. sp.
(
Figures 21
,
22
)
Type material
Holotype
MNHN 9710
(spm., 1.40×
0.94 mm
) from
Seamount 1
sta. DW60, in
MNHN
;
34 paratypes
MNHN 9765
and
SMNH 6742
(2 spm., 1.34×
0.88 mm
and 32 sh.,
Figure 21.
Crisilla ovulum
n. sp.
(A, B) Paratype from Josephine seamount, DW61 (200–205 m), actual size 1.38 mm; (C) protoconch; (D) microsculpture on subsutural area of third whorl; (E, F) shells from Seine seamount, DE80 (250– 256 m), actual size 1.24 and 1.34 mm; (G) protoconch, same shell as (E); (H, I) shells from Seine seamount, DE72 (165 m), actual size 1.36mm; (J) protoconch, same shell as (H); (K) microsculpture, same locality. Scale bars: 100 Mm.
Figure 22.
Crisilla ovulum
n. sp.
(A) Holotype (living specimen) from Josephine seamount, DW60 (240–255 m), actual size 1.40 mm; (B) detail of head and propodium; (C) detail of opercular lobes and metapodium.
1.08×0.74 to 1.50×
0.95 mm
) from
Seamount 1
sta. DW61 (36
°
409N, 14
°
169W,
200– 205 m
) in MNHN and SMNH.
Type locality