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Polychaeta source details

Paxton, Hannelore.; Åkesson, Bertil 2011. The Ophryotrocha diadema group (Annelida: Dorvilleidae), with the description of two new species. Zootaxa (3092): 43-59.
World Polychaeta Database (WPolyD)
This paper reviews a group of hermaphroditic Ophryotrocha species, here designated as the O. diadema group. This informal group is characterised by its unique P-maxillae and paired mammillate rosette glands. The three members of the group are simultaneous hermaphrodites and have the chromosome complement of 2n = 8. As herein defined, the group includes O. diadema, O. alborana sp. nov., and O. birgittae sp. nov.. The three species can be distinguished by the appearance of their eyes and other morphological and reproductive differences. The species are described, and their life table data is presented.
2013-01-12 18:30:12Z

Holotype SMNH T-8164, verbatimGeounit Algeciras Harbour, A..., identified as Ophryotrocha alborana Paxton & Åkesson, 2011
Holotype SMNH T-8166, verbatimGeounit cultured from Qingda..., identified as Ophryotrocha birgittae Paxton & Åkesson, 2011

epithet derived from the Alboran Sea, collection site of the new species. [details]


named in honour of Birgitta Åkesson, in appreciation of her continuous support and understanding. [details]


Akesson (1975) published several Ophryotrocha nomina nuda. Quote: "In my laboratory I have cultivated 10 species, ... [details]


According to the authors, Ophryotrocha alborana was applied as a nomen nudum by Pleijel & Eide, 1996; Dahlgren et al. 2001; ... [details]

 Type locality

Algeciras Harbour, Alboran Sea, Western Mediterranean Sea, 36.1191569, -5.4384040 [details]

 Type locality

Qingdao Harbour, China, 36.0769, 120.3017 [details]