Demospongiae of ANT XXIV / 2 (SYSTCO I) Expedition — Antarctic Eastern Weddell Sea
Author
Göcke, Christian
Author
Janussen, Dorte
text
Zootaxa
2013
3692
1
28
101
journal article
10.11646/zootaxa.3692.1.5
ddffc7b3-2654-49ec-b046-f32bc78af2d6
1175-5326
249019
136660B8-7DCC-490E-AB79-46546CC18E40
Lissodendoryx (Ectyodoryx) ramilobosa
(Topsent, 1916)
(
Fig.
3
I)
Lissodendoryx (Ectyodoryx) ramilobosa
(Topsent, 1916)
: following subgenus assignment in van Soest 2002e: 544.
Synonymy:
Dendoryx ramilobosa
Topsent, 1916: 167, 1917:47
, pl. 3, fig. 3, pl. 6, fig. 6.
Ectyodoryx ramilobosa
(Topsent, 1916)
: Burton 1929: 399, 1932: 314, 1934: 29, pl. 3, fig. 3. Koltun 1964: 80, pl. 11, fig. 16– 23.
Material.
1 specimen
from station 048-1 (SMF 11808),
602.1 m
,
70° 23.94' S
,
8° 19.14' W
,
12.01.2008
.
Description.
Observed sponge of very characteristic growth, upright on the substrate, with a narrow base and a rounded upper part, surface covered by rounded conules, bristled. Shape of the sponge resembling a broccoli floret. Skeleton irregularly reticulate with very thick spicule tracts; at the surface, echinating spicules present. Spicules acanthostyles with very few spines at the rounded ends, 260–430
x 15–30
µm, tylotes 250–300
x 8–10
µm, arcuate isochelae about 25 µm, and sigmas 20–70 µm.
Remarks.
The species has been studied and reported in detail by Topsent (1917), Koltun (1964) and Ríos (2006). Our specimen is in general accordance with those earlier findings.