tentacle wart

1980
10
a
ACTA ZOOTAXONOMICA SINlCA
~
Ocr., 1980
5 &
C
Bayly, I. A. E. 1973 Comments on medusae from inland water and estuaries with reference t o
recent find in Australia. Bull. Bust. Soc. Lzmnol. ( 4 ) : 4-6.
Bigelow, H. B. 1909 Report on the scientific results of the expedition to the eastern tropical Pacifie, 1904-1905. The Medusae. M e n . MW. C o m p . 2001. Harv. 37: 1-243.
Blackburn, M. 1955 Trachyrnedusae and Narcomedusae of South-Easb Australian waters. Bust. J .
mar. Freshw. Bes. 6 ( 3 ) : 410-428.
Browne, E. T. 1908 The medusae
of the Scottish National Antarctic Expedition. Trans. Roy. SOC.
-___
__
.~
- -__
Edinb. 46: 223-4251.
Fewkes, J. W. 1882 On the Acalephae of the east coast of New Englaqd. Bull. Mus. Comp. Z o d .
Ham. 9(8) : 291-312.
Haque, M. M. 1977 Some littioral Coelenterates of Bangladesh and Pakidtan coasts. Bangladesh J.
Zool. 5
340.
Kramp, P. L. 1961 &nopsis of the Medusae of the world. J . mar. biol. A S S . 17. IK. 40: 1-469.
Kramp, P. L. 1962 Medusae of Vietnam. V z d a s l i . Medd. dam&. Naturh. Porm. 124: 305-366.
329
USA
NE ZHEN-w u
(Department of Biology, Xinlciaag A-ormrrl College, Eenan)
I n July 31, 1956, three small medusae were collected from Yantai, Shangdong
Province. This animal is identified as representing a new genus and species of the
family Raliweatidae.
Varitentacula, gen. nov.
Radial canals f o u r ; stomach without manubrium ; month rounded, without lip ; marginal tentacles varying in size ; distal one-third of the large tentacle spindle-shaped;
tentacles with irregularly arranged nematocyst warts ; gonads four, oval, on the radial
canals.
~ a r i t ~ yantaiensis,
n ~ ~ c gem.
~ ~ nov.,
~ sp. nov. (fig. I )
Umbrella h i g h e r t h a n a .hemisphere, 9-12 nun in diameter, 68 mm high, Jelly
th&, but very thick in apical portion of the umbrella, Marginal tentacles slender, 1920 in number. Each tentacle with an axis of endoderm. Each nematocyst wart with
4 4 2 6 nematocysts. Tentacle bulbs triangular, brownish in color. The larger stomach
is low conical toward the base which is squarish in shape. Statocysts, 12-14 in number, situated between the tentacles. Gonads brownish yellow in color, the basal portion
connected with the stomach and the distal portion seached nearly t o ring canal.
- - - T h m type specimens a d e p t iu. the Department of Biology, Peking Normal-Uni__
versity.
The family Halicreatidae has begn reviewed by Kramp (1961) and enumerated up
b present only four geners. -A comparison of these four and the new genera is given
in the following table.
.c
~
-
1
H a1I cre a s
Fewkes,
1882
j
Halisccra
Botrynerna
Vanhiffen,
1902
Rrowne,
1908
Bigelow,
1909
1
Varitenta;ula
g'
16 or more
radial canals
8, flattened,
gonads
tentacles
1
Halitrephcr
not in clusters, regularly
arranged.
not in cluste-
rs, regularly
arranged.
7
in 16 clusters
and 8 single
ones.
not in clusters, regularly
arranged.
1
4, flattened,
oval
not in clusters, regularfp
arranged.
-