A revision of dragon millipedes III: the new genus Gigaxytes gen. nov., with the description of three new species (Diplopoda, Polydesmida, Paradoxosomatidae)
Srisonchai, Ruttapon
Enghoff, Henrik
Likhitrakarn, Natdanai
Panha, Somsak
European Journal of Taxonomy
2018
2018-09-27
463
1
43
7PGTQ
Srisonchai & Enghoff & Likhitrakarn & Panha, 2018
Srisonchai & Enghoff & Likhitrakarn & Panha
2018
[433,579,1628,1659]
Diplopoda
Paradoxosomatidae
Gigaxytes
GBIF
Animalia
Polydesmida
8
9
Arthropoda
genus
gen. nov.
1. Male femora 5, 6, 7 without modification ( Fig. 10E–F) ..................................................................... ................................................................. G. gigas( Golovatch & Enghoff, 1994) gen. et comb. nov. – Male femora 5, 6 or 5, 6, 7 with an apophysis (e.g., Fig. 15E–G) ................................................... 2 2. Body brown. Only male femora 5 and 6 with apophyses ( Fig. 5E–F); solenophore narrow laterally (e.g., Figs 7C–D, 8C, E) ............................... G. fuscaSrisonchai, Enghoff & Panha gen. et sp. nov. – Body pinkish brown or brownish pink. Male femora 5, 6 and 7 with apophyses ( Figs 15E–G, 20E–G); solenophore (sph) broad laterally (e.g., Figs 17C, 18C, 22C, 23C) ........................................... 3 Fig. 5. Gigaxytes fuscaSrisonchai, Enghoff & Panha gen. et sp. nov., ³ paratype. A. Anterior body part. B. Body rings 8–10. C. Posteriormost body rings and telson. D. Head and antenna. E. ♂leg 5 (right). F. ♂leg 6 (right). G. ♂leg 13 (right). H. Midbody ring. 3. Paraterga short ( Fig. 16A–B); collum usually with 3+3 cones/spines (intermediate row) ( Fig. 15A); metaterga 2–8 usually with 4+4 cones/spines (anterior row), 3+3 cones/ spines (intermediate row) and 3+3 cones/spines (posterior row); metaterga 9–19 usually with 5+5 cones/spines (anterior row), 5+5 cones/spines (intermediate row) and 5+5 cones/spines (posterior row) ( Fig. 15A–C) ......................................................... G. parvotergaSrisonchai, Enghoff & Panha gen. et sp. nov. – Paraterga long ( Fig. 21A–B); collum usually with 4+4 cones/spines (intermediate row) ( Fig. 20A); metaterga 2–8 usually with 4+4 cones/spines (anterior row), 4+4 cones/ spines (intermediate row) and 4+4 cones/spines (posterior row); metaterga 9–12 usually with 5+5 cones/spines (anterior row), 5+5 cones/spines (intermediate row) and 5+5 cones/spines (posterior row); metaterga 13–19 usually with 6+6 cones/spines (anterior row), 6+6 cones/ spines (intermediate row) and 6+6 cones/spines (posterior row) ( Fig. 20A–C) ................ G. suratensisSrisonchai, Enghoff & Panha gen. et sp. nov.