Moura, G. & P. Martínez Arbizu. (2003). The phylogenetic position of the bathyal harpacticoids Aspinothorax gen. n. and Styracothorax Huys (Crustacea: Copepoda). Bulletin de l'Institut Royal des Sciences Naturelles de Belgique Biologie. 73: 167-181.

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Moura, G. & P. Martínez Arbizu

2003

73: 167-181.

Publication

Available in Wilson Copepod Library (non-digital)

Available for editors   [request]

Aspinothorax insolentis gen. et sp. n. is described from abyssal sites in the Laptev Sea (Arctic Ocean). The new genus is closely related to Styracothorax HUYS. The presence of a characteristic sexual dimorphism on endopod of the second leg of male Aspinothorax gen. n. demonstrates its phylogenetic relationship with Idyella (Idyanthinae: Tisbidae). As a consequence the harpacticoid family Styracothoracidae HUYS is rejected, and its only genus and species Styracothorax gladiator HUYS is transferred to the ldyanthinae together with the new genus. As a result of a re-evaluation of the family. Tisbidae, the family Porcellidiidae is rejected, because its members are closely related with the tisbid genera Sacodiscus and Scutellidium. Key-words: Aspinothorax insolentis gen. sp. n. Styracothoracidae, Tisbidae, Harpacticoida, Copepoda, phylogenetic systematics.

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