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Hydrobiologia

, Volume 468, Issue 1–3, pp 77–81 | Cite as

A new species of Ainudrilus (Tubificidae) from South Georgia, and other subantarctic freshwater oligochaetes

  • Christer Erséus
  • Reinmar Grimm
Article

Abstract

The freshwater oligochaetes of the subantarctic islands are reviewed and new records are given. Ainudrilus dartnalli sp.n. (subfamily Rhyacodrilinae) is described from freshwater sites on South Georgia (South Atlantic Ocean). It differs from the closely related, southwest Australian, A. nharna Pinder & Brinkhurst, by its longer clitellum, the longer upper teeth of its ventral somatic chaetae, its straighter and fewer penial chaetae, and by the proportions of its spermathecae. Range extensions are given for two widespread naidids, Nais variabilis Piguet and N. communis Piguet, from the Falkland Islands (S. Atlantic). Moreover, new material of N. elinguis Müller is recorded from Macquarie Island (Southern Ocean, SW of New Zealand).

Oligochaeta Tubificidae Naididae taxonomy new species subantarctic freshwater habitats 

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Copyright information

© Kluwer Academic Publishers 2002

Authors and Affiliations

  • Christer Erséus
    • 1
  • Reinmar Grimm
    • 2
  1. 1.Department of Invertebrate ZoologySwedish Museum of Natural HistoryStockholmSweden
  2. 2.Zoologisches Institut und Zoologisches MuseumUniversität HamburgHamburgGermany

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