A revision of Antarctic and some Indo-Pacific apodid sea cucumbers (Echinodermata: Holothuroidea: Apodida)
Author
O’Loughlin, P. Mark
Author
VandenSpiegel, Didier
text
Memoirs of Museum Victoria
2010
2010-12-31
67
61
95
https://museumsvictoria.com.au/collections-research/journals/memoirs-of-museum-victoria/volume-67-2010/pages-61-95/
journal article
10.24199/j.mmv.2010.67.06
1447-2554
12212210
5A8C650E-A34A-4072-A797-0A75D218DD7C
Paradota weddellensis
Gutt, 1990
Figure 16
; table 2
Paradota weddellensis
Gutt, 1990: 125–126
, figs 11–14, table 3.—
Massin, 1992: 322–323
.—
O’Loughlin et al. 2009
: table 1.
Material examined.
Scotia Sea
, South
Orkney
Is, US
AMLR
stn 104,
63º13.92'S
59º27.47'W
,
759 m
,
NMV
F168842
(5)
;
South Sandwich Is
,
351–393 m
,
USNM
E49614
(20+)
;
South
Shetland
Is
,
59 m
,
USNM
E49620
(1).
Antarctic Peninsula, Joinville I.,
265 m
,
USNM
E49619 (1); Palmer Archipelago,
126 m
,
USNM
E49616 (1).
Ross Sea,
NIWA
expedition 2001,
66º49'S
162º37'E
,
292 m
,
NIWA 61095
(1)
;
stn TAN0602/448,
66º56'S
162º57'E
,
85 m
,
NIWA 49800
(1)
;
NZ
IPY–CAML stn TAN0802/272, 66º96'S 170º93'E,
658 m
,
NIWA 38869
(1).
Prydz Bay
,
ANARE 1987
stn 7,
68º40'S
77º12'E
,
505–578 m
,
NMV
F76845
(1)
;
NMV
F76846
(1).
Heard
I.,
ANARE
AA92–01
,
52º57'S
73º21'E
,
159–176 m
,
NMV
F84977
(1); AA92–06,
53º13'S
73º40'E
,
120 m
,
NMV
F84979
(1); AA92–08,
52º41'S
72º56'E
,
215 m
,
NMV
F84978
(1)
.
Diagnosis (after
Gutt 1990
).
Chiridotinid species up to
180 mm
long; body wall thick; tentacles 12, peltato-digitate, 5–7 pairs of digits; calcareous ring lacking anterior and posterior projections; 4 polian vesicles; tentacles with irregular rod ossicles, many slightly bracket-shaped, some with branched ends, some with projections mid-rod; body wall lacking ossicles; longitudinal muscles with rare miliary granules.
Distribution.
Circum-antarctic, south of Polar Front,
59–1191 m
; Weddell Sea,
225–655 m
(
Gutt 1990
); Scotia Sea,
59–759 m
; Antarctic Peninsula,
126–265 m
; Bellingshausen Sea, Antarctic Peninsula, Peter I
Island
,
97–1191 m
(
O’Loughlin et al. 2009
); Ross Sea,
85–658 m
; Prydz Bay,
505–578 m
;
Heard
I.,
120–
215 m
.
Remarks.
Paradota weddellensis
Gutt
is a large apodid with a widespread polar distribution south of the Antarctic Convergence.
Paradota marionensis
Massin, 1992
occurs north of the Convergence at Marion and Prince Edward Is (
Massin 1992
). We found rare miliary granules up to 40
µ
m long in Ross Sea material.