Diplopeltidae Filipjev 1918
Creators
Description
Key to genera of Diplopeltidae
See Table 4 for additional diagnostic characters.
1. Amphidial fovea a transverse slit; cuticle with ten longitudinal ridges.... Edalonema Andrássy, 2007
– Amphidial fovea double-loop-shaped in male, unispiral in female.................. Belgopeltula gen. nov.
– Amphidial fovea unispiral................................................................................................................ 2
– Amphidial fovea loop-shaped........................................................................................................... 4
2. Basal bulb absent; freshwater or terrestrial........................................ Cylindrolaimus de Man, 1880
– Basal bulb present; marine................................................................................................................ 3
3. Single anterior ovary................................................................ Intasia Tchesunov & Miljutina, 2008
– Two ovaries (anterior and posterior)....................................................... Southerniella Allgén, 1932
4. Oral opening shifted to the ventral body side............................ Morlaxia Vincx & Gourbault, 1988
– Oral opening apical or shifted to the dorsal body side..................................................................... 5
5. Basal pharyngeal bulb present; ovaries antidromously reflexed............... Mudwigglus Leduc, 2013
– Basal pharyngeal bulb absent; ovaries outstretched......................................................................... 6
6. Lateral alae present, in some species fused with the ventral limb of the amphid.................................................................................................................................................. Campylaimus Cobb, 1920
– Lateral alae absent............................................................................................................................ 7
7. Amphid in a shape of rounded loop.................................................................................................. 8
– Amphid in a shape of elongated loop............................................................................................. 10
8. Anterior body region abruptly narrowing; amphid at a distance equal to more than five labial region diameters from the anterior end............................................. Metaraeolaimoides De Coninck, 1936
– Anterior body region cylindrical or subcylindrical; amphid at a distance equal to less than two labial region diameters from the anterior end............................................................................................. 9
9. Buccal cavity cup-shaped; pronounced sexual dimorphism in the amphid size (large in males and small in females).................................................................................. Pararaeolaimus Timm, 1961 – Buccal cavity conical; no sexual dimorphism in the amphid size.......... Araeolaimus de Man, 1888
10. Cervical (paramphideal) setae absent; caudal glands open via three separate pores........................................................................................................................................... Diplopeltula Gerlach, 1950
– Cervical (paramphideal) setae present; caudal glands open via common spinneret........................11
11. Amphid located on a well-developed refractive subcuticular plate.............................................................................................................................................. Diplopeltis Cobb in Stiles & Hassal, 1905
– Refractive subcuticular plate absent.......................................... Pseudaraeolaimus Chitwood, 1951
Notes
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Linked records
Additional details
Identifiers
Biodiversity
- Family
- Diplopeltidae
- Kingdom
- Animalia
- Order
- Araeolaimida
- Phylum
- Nematoda
- Scientific name authorship
- Filipjev
- Taxon rank
- family
- Taxonomic concept label
- Diplopeltidae Filipjev, 1918 sec. Holovachov, 2017
References
- Tchesunov A. V. & Miljutina M. A. 2008. A new free-living nematode Intasia monohystera gen. n., sp. n. (Nematoda, Araeolaimida, Diplopeltidae) from the Barents Sea and the White Sea, with a key to genera of Diplopeltidae. Russian Journal of Nematology 16: 33 - 48.
- Allgen C. 1932. Weitere Beitrage zur Kenntnis der marinen Nematodenfauna der Campbell-insel. Nyt Magazin for Naturvidenskaberne 70: 97 - 198.
- Leduc D. 2013. Mudwigglus gen. n. (Nematoda: Diplopeltidae) from the continental slope of New Zealand, with description of three new species and notes on their distribution. Zootaxa 3682: 351 - 370. https: // doi. org / 10.11646 / zootaxa. 3682.2.8
- Cobb N. A. 1920. One hundred new nemas. (Type species of 100 new genera). Contributions to a Science of Nematology 9: 217 - 343.
- Timm R. W. 1961. The marine nematodes of the Bay of Bengal. Proceedings of the Pakistan Academy of Sciences 1: 1 - 88.
- Gerlach S. A. 1950. Die Diplopeltiden, eine Gruppe freilebender Nematoden. Kieler Meeresforschungen 7: 138 - 156.