Diplopeltoides , Gerlach 1962
Creators
- 1. Department of Zoology, Swedish Museum of Natural History, Box 50007, SE- 104 05 Stockholm, Sweden. & urn: lsid: zoobank. org: author: 89 D 30 ED 8 - CFD 2 - 42 EF-B 962 - 30 A 13 F 97 D 203 & Corresponding author: oleksandr. holovachov @ nrm. se
- 2. Department of Zoology, Swedish Museum of Natural History, Box 50007, SE- 104 05 Stockholm, Sweden. & Email: sven. bostrom @ nrm. se & urn: lsid: zoobank. org: author: 528300 CC-D 0 F 0 - 4097 - 9631 - 6 C 5 F 75922799
Description
Key to species of Diplopeltoides
See Table 7 for additional diagnostic characters.
1. Body shorter than 0.7 mm; testes opposed...................................................................................... 2
– Body longer than 0.8 mm; testes outstretched................................................................................. 4
2. Cuticularised plate present; annulation starts at the posterior ¼ th of amphid.................................. 3
– Cuticularised plate absent; annulation starts at the anterior ¼ th of amphid................................................................................................................... D. pumilus (Vincx & Gourbault, 1992) comb. nov.
3. Spicules 22 µm long; gubernaculum triangular...................................... D. ornatus (Gerlach, 1950)
– Spicules 29–36 µm long; gubernaculum plate-like........................................ D. linkei Jensen, 1991
4. Cuticlar annules with londitudinal striation distinctly visible under the light microscope............. 5
– Cuticular annules visually smooth under light microscope, longitudinal striation may be visible under scanning electron microscope................................................................................................ 9
5. Cuticularised plate present............................................................................................................... 6
– Cuticularised plate absent................................................................................................................ 7
6. Amphid hook-shaped....................................................................................................................................... D. axayacatli Holovachov, Tandingan De Ley, Mundo-Ocampo, Gingold & De Ley, 2009
– Amphid an inverted U-shaped............................................................................. D. grandis sp. nov.
7. Interamphideal shield crenate........................................................................................................................ D. santaclarae Holovachov, Tandingan De Ley, Mundo-Ocampo, Gingold & De Ley, 2009
– Interamphideal shield smooth.......................................................................................................... 8
8. Body 1.7 mm long; spicules 17 µm long............................. D. striatus (Gerlach, 1956) comb. nov.
– Body 1.0– 1.2 mm long; spicules 25 µm long...................... D. pulcher (Vincx & Gourbault, 1992)
9. Amphidial fovea with fine transverse striation................... D. bulbosus (Vitiello, 1972) comb. nov.
– Amphidial fovea without fine transverse striation......................................................................... 10
10. Cuticular plate present.................................................................................................................... 11
– Cuticular plate absent.................................................................................................................... 12
11. Cephalic setae 4–6 µm long; amphid 14–21 µm long; precloacal ridge absent............................................................................................................................................................. D. suecicus sp. nov.
– Cephalic setae 13 µm long; amphid 6 µm long; precloacal ridge present............................................................................................................................................................. D. longicaudatus sp. nov.
12. Amphid with wide interamphideal area......................................................................................... 13
– Amphid with narrow interamphideal area..................................................................................... 16
13. Interamphideal area smooth, without ornamentation.................................................................... 14
– Interamphideal area punctated, areolated or crenated................................................................... 15
14. Cephalic setae 17 µm long..................................................... D. botulus (Wieser, 1959) comb. nov.
– Cephalic setae 5 µm long...................................................................... D. sundensis (Jensen, 1978)
15. Cephalic setae 12–18 µm long; amphid 21–26 µm long............................................................................ D. paramastigia Holovachov, Tandingan De Ley, Mundo-Ocampo, Gingold & De Ley, 2009
– Cephalic setae 6.5–8.5 µm long; amphid 40–45 µm long................... D. mastigia Tchesunov, 1990
16. Cephalic setae longer than 10 µm............... D. lucanicus (Boucher & Helléouët, 1977) comb. nov.
– Cephalic setae shorter than 10 µm................................................................................................. 17
17. Cephalic setae 3.5–7 µm long................................................ D. asetosus (Juario, 1974) comb. nov.
– Cephalic setae less than 1–2 µm long............................................................................................ 18
18. Spicules with dorsally bent manubrium; amphid 17–28 µm long......................................................................................................................................................................... D. nudus (Gerlach, 1956)
– Spicules with straight manubrium; amphid 26–33 µm long............................................................................................................................................................................... D. anatolii (Voronov, 1982)
Notes
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Linked records
Additional details
Identifiers
Biodiversity
- Family
- Axonolaimidae
- Genus
- Diplopeltoides
- Kingdom
- Animalia
- Order
- Araeolaimida
- Phylum
- Nematoda
- Scientific name authorship
- , Gerlach
- Taxon rank
- genus
- Taxonomic concept label
- Diplopeltoides , 1962 sec. Holovachov & Boström, 2017
References
- Vincx M. & Gourbault N. 1992. Six new species of the genus Diplopeltula (Nematoda: Diplopeltidae) with remarks on the heterogeneity of the taxon. Hydrobiologia 230: 165 - 178. https: // doi. org / 10.1007 / BF 00036563
- Gerlach S. A. 1950. Die Diplopeltiden, eine Gruppe freilebender Nematoden. Kieler Meeresforschungen 7: 138 - 156.
- Jensen P. 1991. Nine new and less known nematode species from the deep-sea benthos of the Norwegian Sea. Hydrobiologia 222: 57 - 76. https: // doi. org / 10.1007 / BF 00017500
- Vitiello P. 1972. Sur quelques especes de Diplopeltula (Nematoda, Araeolaimida). Vie et Milieu 21: 535 - 544.
- Holovachov O., Tandingan De Ley I., Mundo-Ocampo M., Gingold R. & De Ley P. 2009. Nematodes from the Gulf of California. Part 3. Three new species of the genus Diplopeltoides Gerlach, 1962 (Nematoda: Diplopeltoididae) with overviews of the genera Diplopeltis Gerlach, 1962 and Diplopeltula Gerlach, 1950. Russian Journal of Nematology 17: 43 - 57.
- Gerlach S. A. 1956. Diagnosen neuer Nematoden aus der Kieler Bucht. Kieler Meeresforschungen 12: 85 - 109.
- Jensen P. 1978. Four nematoda Araeolaimida from Oresund, Denmark, with remarks on the oesophageal structure in Aegialoalaimus. Cahiers de Biologie marine 19: 221 - 231.
- Tchesunov A. V. 1990. A critical analysis of the family Aegialoalaimidae (Nematoda, Chromadoria), trends in evolutionary development of marine nematode pharynx and a proposal of two new families. Zoologicheskii Zhurnal 69: 5 - 18.