HESIONIDAE (ANNELIDA, POLICHAETA) FROM JAPAN. I. by Hiro ...

66 Kuroshio Biosphere : BULL. BIOL. INST. KUROSHIO Vol. 1, 2004
but at where the diameter of the cirrophore never reduced: Neuropodial presetal lobe
triangular. ........................................................................................................................... 9
8. With a remarkable constriction in each notopodial cirrophore, where the diameter of the
cirrophore reduced drastically. ........................................................................................ 10
9. Notopodial cirrophores long: A single notoaciculum stretched into a midway of
notopodial cirrophore. O. longifundus, n. sp.
9. Notopodial cirrophores short: Noto- and neuropodial cirrostyles not very long
Neuropodial postsetal lobes with triangular projecting margin. O. parapallidus, n. sp.
10. Without color bands on dorsum: With few forked notosetae.
O. pugettensis (Johnson, 1901)
10. With white bands on dorsum of the Segments II, VIII, XII, XVII, and XXI. ............ 11
11. White band on Segment XXVII next to the Segment XXI: Shaft of compound setae
bifid tip. O. okudai, n. sp.
11. White band on Segments XXV and XXIX next to the Segment XXI: Shaft of
compound setae pointed. O. fauveli, n. sp.
Genus Heteropodarke Hartmann-Schröder, 1962
"Body small, with rather few segments: Prostomium roundish, never incised: 4 eyes:
a single median and 2 lateral antennae; two non-articulated palpi: tentacular cirri variable in
number by specimens, 2-6 pairs, on 0-2 clear segments: Parapodia uniramous, with 1-2
slender acicula in cirrophore of notocirrus; Notocirri more or less clearly articulated;
Neurocirri rather long and articulated too; Neurosetae compound, its blade short, falciger,
with uni-dentate apex: In several anterior and middle segments, parapodia with other sort of
stout deformed setae: Proboscis with papillae on distal margin, but without jaws."
(Hartmann-Schröder, 1962b, pp. 117-118) No additions should be needed.
Heteropodarke kiiensis, sp. nov.
(Fig. 15)
MATERIAL EXAMINED.
Nachi-Katsuura, Nachi Bay, 9.4m, sandy bottom, Sept. 27, 1988, SCUBA diving, 1
specimen (holotype).
DESCRIPTION.
Body colorless, 6 mm long with 42 setigers excluding lost posterior part, with 450
µm wide including parapodia, and 270 µm wide excluding parapodia.
Prostomium almost rounded, as long as wide, with a median antenna, a pair of lateral
antennae and a pair of palpi. Median antenna subulate, as long as the length of prostomium,
inserted at the center of frontal margin. A pair of weak undulations on both sides of
inserted part of the prostomium. Lateral antennae same from, but somewhat longer than the