Abstract
We describe and illustrate Pycnophyes oshoroensis sp. nov. from Hokkaido, northern Japan. This species is characterized by (1) a trunk 646-775 ìm long, and a presence of (2) middorsal elevation on segments 2-9, (3) anterior middorsal projection on segment 2, (4) even anterior tergal margin of segment 1, (5) reticulate cuticular area on anterior margin of tergal, episternal, and midsternal plates of segment 1, (6) laterodorsal setae on segments 2-9, (7) paralateral setae on segments 1, 2, 4, 6, 7, 8 and 10, (8) ventrolateral setae on segments 1, 5 and 10, (9) ventromedial setae on segments 3-9, and (10) subcuticle thickening areas in paraventral position on segments 9 and 10. In addition, we provide morphological descriptions for two species found from Hokkaido, Japan in this study: Cephalorhyncha asiatica (Adrianov, 1989) and Kinorhynchus yushini Adrianov, 1989. This is the first report of kinorhynchs from Hokkaido and the first report of C. asiatica from Japanese waters.
Original language | English |
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Pages (from-to) | 23-41 |
Number of pages | 19 |
Journal | Zootaxa |
Issue number | 3425 |
DOIs | |
Publication status | Published - Aug 16 2012 |
Externally published | Yes |
All Science Journal Classification (ASJC) codes
- Ecology, Evolution, Behavior and Systematics
- Animal Science and Zoology