Elaphoidella Chappuis 1929
Creators: name: Watiroyram, Santi
name: Janpong, Wongduan
name: Sanoamuang, Laorsri
Publisher: name: Zenodo
Year: 2022
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Hexanauplia
Harpacticoida
Canthocamptidae
Elaphoidella

description: Key to the species of Elaphoidella from Thailand caves
[Modified from Sanoamuang & Watiroyram (2021)]
Female:
1. Urosomites with smooth free posterior margins dorsally...................................................... 2
― Urosomites with serrated free posterior margins dorsally...................................................... 3
2. P5 Exp with four setae................................................................... E. sanoamuangae
― P5 Exp with five setae...................................................................... E. jaesornensis
3. P5 Exp with four setae................................................................................. 4
― P5 Exp with five setae................................................................................ 10
4. P4 Enp completely absent or with segmental vestige......................................................... 5
― P4 Enp present....................................................................................... 6
5. P3 Enp-2 with one spine and one seta......................................................... E. thailandensis
― P3 Enp-2 with three setae............................................................. E. longiramus sp. nov.
6. P3 Enp-1 with inner seta............................................................................... 7
― P3 Enp-1 without inner seta............................................................................ 8
7. P3 Enp-2 with three spines and setae......................................................... E. bromeliaecola
― P3 Enp-2 with six spines and setae............................................................ E. namnaoensis
8. P2 Enp-1 with inner seta........................................................................ E. ligorae
― P2 Enp-1 without inner seta............................................................................ 9
9. P4 Enp-2 with three spines and setae............................................................. E. brancelji
― P4 Enp-2 with four spines and setae............................................................. E. paraaffinis
10. Posterior margin of urosomites finely serrated............................................................. 11
― Posterior margin of urosomites coarsely serrated.............................................. E. bidens decorata
11. Caudal ramus without spinules at distal inner margin............................................... E. intermedia
― Caudal ramus with spinules at distal inner margin..................................................... E. isana Male (unknown for E. bidens decorata, E. isana, E. jaesornensis, and E. namnaoensis):
1. Urosomites with smooth free posterior margins dorsally........................................ E. sanoamuangae
― Urosomites with serrated free posterior margins dorsally...................................................... 2
2. P4 Enp completely absent or with segmental vestige......................................................... 3
― P4 Enp present...................................................................................... .. 4
3. P2 Enp-2 with two setae................................................................... E. thailandensis
― P2 Enp-2 with one seta.............................................................. E. longiramus sp. nov.
4. P2 Enp-1 without inner seta............................................................................ 5
― P2 Enp-1 with inner seta............................................................................... .. 6
5. P2 Enp-2 with three spines and setae............................................................. E. brancelji
― P2 Enp-2 with four spines and setae............................................................ E. paraaffinis
6. P4 Exp-3 with transformed spine........................................................................ 7
― P4 Exp-3 without transformed spine............................................................... E. ligorae
7. Transformed spine of P4 Exp-3 presented with reduced spine........................................ E. intermedia
― Transfromed spine of P4 Exp-3 presented with antler-like spine..................................... E. bromeliacola
description: Published as part of Watiroyram, Santi, Janpong, Wongduan & Sanoamuang, Laorsri, 2022, Elaphoidella longiramus sp. nov. (Copepoda: Harpacticoida, Canthocamptidae), a new species of cave-dwelling copepod from central Thailand, pp. 152-166 in Zootaxa 5138 (2) on pages 161-162, DOI: 10.11646/zootaxa.5138.2.3, http://zenodo.org/record/6556819