Gigaxytes

Srisonchai, Ruttapon, Enghoff, Henrik, Likhitrakarn, Natdanai & Panha, Somsak, 2018, A revision of dragon millipedes III: the new genus Gigaxytes gen. nov., with the description of three new species (Diplopoda, Polydesmida, Paradoxosomatidae), European Journal of Taxonomy 463, pp. 1-43: 9-11

publication ID

https://doi.org/10.5852/ejt.2018.463

publication LSID

lsid:zoobank.org:pub:urn:lsid:zoobank.org:pub:0A1234C2-BE04-4EFE-9EB7-8F91E8485327

persistent identifier

http://treatment.plazi.org/id/71FC419F-3CB9-4F01-BB57-461E8DD2D771

taxon LSID

lsid:zoobank.org:act:71FC419F-3CB9-4F01-BB57-461E8DD2D771

treatment provided by

Plazi

scientific name

Gigaxytes
status

 

Key to species of Gigaxytes  gen. nov. (based mainly on males)

1. Male femora 5, 6, 7 without modification ( Fig. 10 EAbout E – FAbout F View Figure ) ..................................................................... ................................................................. G. gigas ( Golovatch & Enghoff, 1994)  gen. et comb. nov.

– Male femora 5, 6 or 5, 6, 7 with an apophysis (e.g., Fig. 15 EAbout E – GAbout G View Figure ) ................................................... 2

2. Body brown. Only male femora 5 and 6 with apophyses ( Fig. 5 EAbout E – FAbout F View Figure ); solenophore narrow laterally (e.g., Figs 7C–D View Figure , 8C, E View Figure ) ............................... G. fusca Srisonchai, Enghoff & Panha  gen. et sp. nov.

– Body pinkish brown or brownish pink. Male femora 5, 6 and 7 with apophyses ( Figs 15E–G View Figure , 20E– G View Figure ); solenophore (sph) broad laterally (e.g., Figs 17C View Figure , 18C View Figure , 22C View Figure , 23C View Figure ) ........................................... 3

3. Paraterga short ( Fig. 16A–B View Figure ); collum usually with 3+3 cones/spines (intermediate row) ( Fig. 15 A View Figure ); 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. 15 A – C View Figure ) ......................................................... G. parvoterga Srisonchai, Enghoff & Panha  gen. et sp. nov.

– Paraterga long ( Fig. 21 A – B View Figure ); collum usually with 4+4 cones/spines (intermediate row) ( Fig. 20 A View Figure ); 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. 20 A – C View Figure ) ................ G. suratensis Srisonchai, Enghoff & Panha  gen. et sp. nov.

E

Royal Botanic Garden Edinburgh

F

Field Museum of Natural History, Botany Department

G

Conservatoire et Jardin botaniques de la Ville de Gen�ve