Dicelis Dujardin, 1845
publication ID |
https://doi.org/ 10.5281/zenodo.191461 |
DOI |
https://doi.org/10.5281/zenodo.5673267 |
persistent identifier |
https://treatment.plazi.org/id/216887C5-FFB2-1E00-F0B4-FE42FA73F9E0 |
treatment provided by |
Plazi |
scientific name |
Dicelis Dujardin, 1845 |
status |
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Key to the species of Dicelis Dujardin, 1845
1 Egg-shells smooth ........................................................................................................................................................ 3
- Egg-shells ornamented ................................................................................................................................................. 2
2 Caudal organs up to 1/2–2/3 tail diameter, stoma sclerotised ................................................... D. rossica Timm, 1962
- Caudal organs up to 1/4–1/3 tail diameter, stoma not sclerotised ............................................................................... 4
3 Eggs elongated,>60 µm long, 30 µm in diameter ................................................... D. nira Chitwood & Lucker, 1934
- Eggs elliptical, <45–50 µm long, 25–30 µm diameter .......................... D. keimeri Morand, Ivanova & Vaucher, 1996
4 Egg-shells coated with spikes ...................................................................................................................................... 5
- Egg-shells coated with tubercles .................................................................................................................................. 7
5 Tail end gradually tapering, bluntly rounded ............................................................................................................... 6
- Tail end well-tapered with conical terminal tip .................................................................... D. sibirica Ivanova, 1994
6 Eggs broadly elliptical, length 120% of width, <43 µm long; vulva post-median; amphids pore-like ....... D. eiseniae Timm, 1967
- Eggs elongated, length>120% of width,> 62–110 µm long, vulva median; amphids pocket-like ............................... ................................................................................................. D. caledoniensis Spiridonov, Ivanova & Wilson, 2005
7 Caudal organs small, less than 1/4 of tail diameter, situated within posterior third of tail .......................................... 8
- Prominent caudal organs at mid-tail ............................................................................................................................ 9
8 Tip ovary cell near tail tip, no loops of genital tube between anus and spermatheca... D. kimmeriensis Ivanova, 1993
- Tip ovary cell anterior to anus, two loops of genital tube between anus and spermatheca ........................................... ............................................................................................. D. hyrcanus Belostotskaya, Kozodoi & Spiridonov, 1987
9 Tail end well-tapered with conical terminal tip .......................................................................................................... 10
- Tail gradually tapering, bluntly rounded..................................................................................................................... 13
10 Tail broadly conical, fimbriate organs up to 1/3-1/2 of tail diameter ......................................................................... 11
- Tail narrowly conical, fimbriate organs up to 1/4 of tail diameter ....................................................... D. eudrilii sp. n.
11 Egg-shell tubercles 5–12 µm high ............................................... D. ussuriensis Spiridonov, Ivanova & Wilson, 2005
- Egg-shell tubercles 1–6 µm high ................................................................................................................................ 12
12 Chamber of caudal organ twice as large as its external structure; amphids pore-like; caudal papillae enlarged ........... ................................................................................................................................................. D. rubidi Ivanova, 1994
- Chamber of caudal organ smaller than its external structure; amphids pocket-like; caudal papillae small ................... .............................................................................................................................................. D. pereliae Ivanova, 1993
13 Pharynx cylindrical, eggs <50 µm long .................................................................................. D. filaria Dujardin, 1845
- Pharynx with slight basal expansion, eggs> 65 µm long .......................................................................................... 14
14 Lateral fields with 13–15 ridges; spicule body punctated; 9 pairs pre-anal papillae .......... D. lovatiana Ivanova, 1993
- Lateral fields with 5–7 ridges, spicule body smooth, 7 pairs pre-anal papillae ............. D. lumbricicola Ivanova, 1993
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
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