A revision of the Thyropygus allevatus group . Part 1 : the T . opinatus subgroup ( Diplopoda : Spirostreptida : Harpagophoridae )
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چکیده
.............................................................................................................................................................................. 2 Introduction ........................................................................................................................................................................ 2 Materials and methods ......................................................................................................................................................... 2 Genus Thyropygus Pocock, 1894 ........................................................................................................................................ 3 The Thyropygus allevatus group ......................................................................................................................................... 3 The status of Cornugonus Demange, 1961 ......................................................................................................................... 4 General description of gonopod structure in the Thyropygus allevatus group ................................................................... 5 Subgroups of the T. allevatus group..................................................................................................................................... 6 The opinatus subgroup ........................................................................................................................................................ 8 General description of the T. opinatus subgroup ................................................................................................................. 8 Key to species of the T. opinatus subgroup ...................................................................................................................... 10 Species descriptions .......................................................................................................................................................... 11 Thyropygus opinatus (Karsch, 1881), n. comb. ........................................................................................................ 11 Thyropygus floweri (Demange, 1961), n. comb. ....................................................................................................... 14 Thyropygus implicatus (Demange, 1961), n. comb. ................................................................................................. 15 Thyropygus inflexus (Demange, 1989), n. comb. ...................................................................................................... 17 Thyropygus bearti n. sp. ............................................................................................................................................ 18 Thyropygus bispinispatula n. sp. ............................................................................................................................... 19 Thyropygus bispinus n. sp. ........................................................................................................................................ 22 Thyropygus brachyacanthus n. sp. ............................................................................................................................ 22 Thyropygus chelatus n. sp. ........................................................................................................................................ 25 Thyropygus cristagalli n. sp. ..................................................................................................................................... 25 Thyropygus erectus n. sp. .......................................................................................................................................... 28 Thyropygus loxia n. sp. .............................................................................................................................................. 28 Discussion ......................................................................................................................................................................... 31 Acknowledgements ........................................................................................................................................................... 33 References ......................................................................................................................................................................... 34 Accepted by W. Shear: 19 Jan. 2009; published: 20 Feb. 2009 17
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