The New Zealand Cucumariidae (Echinodermata, Holothuroidea)

  • O'Loughlin P
  • Alcock N
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Abstract

Three new cucumariid holothurians, Pseudocnus sentus, Squamocnus niveus and Squamoc- nus luteus, are described from Stewart Island and Fiordland. Five New Zealand and Australian cucumariid species, previously referred to the European genus Ocnus Forbes and Goodsir, are assigned to other genera. Squamocnus brevidentis (Hutton) is a new combination. Australoc- nus and Psolidocnus are new genera, and Australocnus calcareus (Dendy), Australocnus occiduus (O’Loughlin and O’Hara), Psolidocnus amokurae (Mortensen), Psolidocnus farquhari (Mortensen) and Psolidocnus sacculus (Pawson) are new combinations. Ocnus brev- identis var. carnleyensis (Dendy) is not recognised. The status of a syntype of Squamocnus brevidentis (Hutton) is discussed. A neotype is established for Australocnus calcareus (Dendy). Trachythyone bollonsi (Mortensen) is synonymised with Psolidiella nigra Mortensen. The southern Australian Plesiocolochirus ignavus (Ludwig) is reported from New Zealand. S. brevidentis and S. niveus sp. nov. are brood-protecting. A key is provided for the New Zealand species of Cucumariidae

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O’Loughlin, P. M., & Alcock, N. (2000). The New Zealand Cucumariidae (Echinodermata, Holothuroidea). Memoirs of Museum Victoria, 58(1), 1–24. https://doi.org/10.24199/j.mmv.2000.58.1

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