Unixenus Jones 1944
Creators: name: Huynh, Cuong
Publisher: name: Zenodo
Year: 2020
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Diplopoda
Polyxenida
Polyxenidae
Unixenus

description: Key to described species of Unixenus
(This key was adapted from Short and Huynh (2013). The type species from India, U. padmanabhai, is not included due to insufficient detail in the published record)
1. Setae without projecting spines on legs.................................................................... 2
- Setae with projecting spines on legs...................................................................... 6
2. One seta only on femur, no setae on tibia of legs 6–13........................................................ 3
- At least 2 setae on femur, 1 seta on tibia................................................................... 5
3. 3 bacilliform sensilla on antennomere V................................................................... 4
- 4 bacilliform sensilla on antennomere VI......................................................... U. myallensis
4. Telotarsus with more than 2 processes on claw....................................................... U. attemsi
- Telotarsus with 2 or less processes on claw...................................................... U. broelemanni
5. No seta on tarsus 1 of legs 3–13, setiform sensillum between bacilliform sensilla 1 and 2 on antennomere VI..................................................................................................... U. corringlensis
- Seta present on tarsus 1 of legs 3–13, no setiform sensillum between bacilliform sensilla 1 and 2 on antennomere VI............................................................................................ U. carnarvonensis
6. One seta only on femur, no setae on tibia................................................................... 7
- At least 2 setae on femur, 1 seta on tibia................................................................... 8
7. 4 bacilliform sensilla on antennomere VI, 5 ornamental trichomes c .................................... U. corticolus
- 3 bacilliform sensilla on antennomere VI, 3 ornamental trichomes c................................... U. vuillaumei
8. 3 bacilliform sensilla on antennomere VI................................................................... 9
- 4 bacilliform sensilla on antennomere VI....................................................... U. barrabaensis
9. 3 ornamental trichomes c per side, 2 pairs coxal glands...................................................... 10
- 5–9 ornamental trichomes c, 6 pairs coxal glands in male........................................... U. karajinensis
10. Telotarsus with robust claw.................................................................... U. mjoebergi
- Telotarsus with slender claw............................................................................ 11
11. Posterior process longer than half the claw................................................... U. intragramineus
- Posterior process shorter than half the claw.................................................. U. moniqueae n. sp.
description: Published as part of Huynh, Cuong, 2020, Three new species of penicillate millipedes from the Con Dao Islands of southeast Vietnam (Diplopoda, Lophoproctidae and Polyxenidae), pp. 1-30 in Zootaxa 4759 (1) on page 25, DOI: 10.11646/zootaxa.4759.1.1, http://zenodo.org/record/3735855