Questa (Annelida, Polychaeta, Orbiniidae) from Pacific regions — new species and reassessment of the genus Periquesta |
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Authors: | Olav Giere Brigitte Ebbe Christer Ersus |
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Institution: | aZoologisches Institut und Zoologisches Museum, Universität Hamburg, Martin-Luther-King-Platz 3, 20146 Hamburg, Germany;bDZMB-CeDAMar c/o Zoologisches Forschungsmuseum Alexander Koenig, Adenauerallee 160, 53113 Bonn, Germany;cDepartment of Zoology, Göteborg University, Box 463, 405 30 Göteborg, Sweden |
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Abstract: | On the basis of new material from various Pacific regions we critically evaluate the characters for the taxonomy of the genus Questa and the former Questidae, a taxon now concluded to be a lineage within the family Orbiniidae. Two new species, Questa retrospermatica sp. n. from Hawaii (with similar forms also from New Caledonia and China), and Questa fijiensis sp. n. from Fiji, are described, and the morphological character patterns and phylogeny of the genus are revisited on the basis of a cladistic analysis. The finding of Hawaiian material of a new species, Levinsenia hawaiiensis sp. n., similar to Periquesta canariensis Brito & Nunez, 2002 (=Levinsenia canariensis comb. n.), challenges the view that Periquesta Brito & Nunez, 2002 is closely related to Questa; rather, it belongs to Paraonidae as a junior synonym of Levinsenia Mesnil, 1897. |
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Keywords: | Questa Orbiniidae Paraonidae Polychaeta Pacific ocean Reassessment |
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