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- Title
A NEW SPECIES OF CHASMATOPONTIUS (COPEPODA, SIPHONOSTOMATOIDA, DIRIVULTIDAE) FROM A HYDROTHERMAL VENT FIELD IN THE TOFUA ARC, SOUTHWESTERN PACIFIC OCEAN.
- Authors
SE-JOO KIM; IL-HOI KIM
- Abstract
A new species of siphonostomatoid copepod is described from a hydrothermal vent in the Tofua Arc of the southwestern Pacific at a depth of 1018 m. Chasmatopontius inflatus sp. nov. (Copepoda Siphonostomatoida, Dirivultidae) is defined and illustrated from specimens isolated from washings of invertebrates including gastropods, bivalves, and crustaceans collected from a hydrothermal vent field. A brief description of its habitat is presented. This new species can be distinguished from C. thescalus, the only known congener, by the greatly expanded mediodistal seta of the caudal ramus in the female, the three-segmented endopod of the female maxilliped, the smaller female body, not exceeding 0.9 mm in length, and the unique shape of the female genital double-somite.
- Subjects
SIPHONOSTOMATOIDA; HYDROTHERMAL vents; HABITATS; SEA-floor spreading; ENTOMOSTRACA
- Publication
Crustaceana, 2013, Vol 86, Issue 4, p475
- ISSN
0011-216X
- Publication type
Article
- DOI
10.1163/15685403-00003179