Fitzhugh, K. 2002. New species of Fabricinuda Fitzhugh and Pseudofabriciola Fitzhugh (Polychaeta: Sabellidae: Fabriciinae), with an emendation of Pseudofabriciola australiensis (Hartmann-Schroder). Journal of Natural History, 36(8): 893-925.

49892

10.1080/00222930110034580 [view]

Fitzhugh, K.

2002

36(8), 893-925

Publication

Kristian Fauchald's Polychaeta DB

Available for editors   [request]

A new species of Fabricinuda Fitzhugh, F. longilabrum, is described from 60 to 70m depth from the Gulf of Thailand, increasing the number of described species to six. Fabricinuda longilabrum most closely resembles F. pseudopalpa Fitzhugh in that both have well-developed branchial crown dorsal lips, but lack vascularized, ventral ® lamentous appendages. Remaining species in Fabricinuda do not have dorsal lips but do have ® lamentous appendages. Two new species of Pseudofabriciola Fitzhugh are also described. Pseudofabriciola Wlaris is from 60 to 70m depth from the Gulf of Thailand, and P. rousei is from the intertidal along Western Australia, raising the number of described species in the genus to 13. Both species have only a single pair of dorsolateral notches on the anterior peristomial ring collar, reduced dorsal lips, and no vascularized, ventral ® lamentous appendages. Variation in collar form and overall body dimensions are discussed for P. Wlaris. The description of P. australiensis (Hartmann-SchroÈ der), originally based on type specimens lacking a branchial crown, is emended on the basis of a complete specimen from Western Australia. The species has welldeveloped dorsal lips and vascularized, ventral ® lamentous appendages. Cladistic relationships among species within Fabricinuda and Pseudofabriciola are examined.

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