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A new species of deep-sea Tegastidae (Crustacea : Copepoda : Harpacticoida) from 9 degrees 50 ’ N on the East Pacific Rise, with remarks on its ecologyстатья
Информация о цитировании статьи получена из
Web of Science
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 29 мая 2015 г.
- Авторы: Gollner S., Ivanenko V.N., Arbizu P.M.
- Журнал: Zootaxa
- Номер: 1866
- Год издания: 2008
- Издательство: Magnolia Press
- Местоположение издательства: New Zealand
- Первая страница: 323
- Последняя страница: 336
- Аннотация: Both male and female of the new deep-sea species Smacigastes barti sp. nov. (Tegastidae, Sars) are described in detail. Copepoda is one of the most diversified taxa at deep-sea hydrothermal vents, but only one species of the family Tegastidae has been described from this habitat and other deep-sea environments. Smacigastes barti is the second species of the genus Smacigastes Ivanenko & Defaye, 2004, and was found in artificial substrates deployed in the vicinity of and 0.5 m from tubeworm aggregations at the 9 degrees 50 ’ N region on the East Pacific Rise at 2500 meters depth. The derived character states of the new species are the lack of coxal endites on the maxilla, and 2-segmented exopods of swimming legs 2 and 3, the latter being the result of the fusion of the 2 proximal segments. An identification key to all known genera of Tegastidae is provided. Interestingly, the distribution of S. barti showed that it does not tolerate elevated temperatures and/or the presence of hydrogen sulfide or oxygen fluctuations, although both species of this genus were found in deep-sea chemosynthetic environments.
- Добавил в систему: Иваненко Вячеслав Николаевич