Shallow-water Comatulids (Echinodermata: Crinoidea) from Ambon and Lombok Islands, Indonesia
Author
Kogo, Ichizo
Osaka Museum of Natural History, 1 - 23 Nagai Park, Higashi-Sumiyoshi-ku, Osaka 546 - 0034, Japan E-mail: kogo 13 @ w 7. dion. ne. jp & Corresponding author
kogo13@w7.dion.ne.jp
Author
Fujita, Toshihiko
Department of Zoology, National Museum of Nature and Science, 4 - 1 - 1 Amakubo, Tsukuba, Ibaraki 305 - 0005, Japan
Author
Kubodera, Tsunemi
Department of Zoology, National Museum of Nature and Science, 4 - 1 - 1 Amakubo, Tsukuba, Ibaraki 305 - 0005, Japan
text
Species Diversity
2019
2019-11-25
24
229
246
journal article
10.12782/specdiv.24.229
2189-7301
5738323
Euantedon polytes
A. H.
Clark, 1936
Euantedon polytes
A. H.
Clark, 1936: 315
, pl. 7 fig. 5, pl. 8 fig. 6; A. H. Clark and A. M.
Clark 1967: 106
; A. M.
Clark and Rowe 1971: 26
(key);
Fabricius 1994: 1228
(table).
Material
examined.
5 specimens
.
Ambon
Is.
NSMT
E- 8107 (
5 specimens
),
Pombo I
., lagoon,
November 27, 1992
.
Description.
Centrodorsal low hemispherical,
3 mm
across,
1 mm
thick with cirrus sockets in 2–3 alternating rows and flat and smooth aboral pole. Cirri about XL, 13–15, 8–
12 mm
long. Longest cirrals (5
th
–7
th
) about 2 times longer than wide; distal cirrals shorter than wide, no aboral spine. Radials narrowly exposed, in contact laterally. IBr 2, with aboral synarthrial tubercle: Ibr
1
oblong, free laterally; Ibr
2
(axil) rhombic. Arms 10, about
80 mm
long; first syzygy at br
3+4
. P
1
longest,
10–14 mm
long, of 22–26 segments, nearly 3 times longer than P
3
–P
5
; middle pinnulars about 2 times longer than wide with smooth distal margin. P
2
intermediate in length between P
1
and P
3
.
Distribution.
Indonesia
(A. M.
Clark and Rowe 1971
); Great Barrier Reef (
Fabricius 1994
). Depth range:
2–15 m
(A. H. Clark and A. M.
Clark 1967
).