Head of Plectus sp., from Colorado State University.

Belongs within: Cycloneuralia.
Contains: Aphanolaimidae.

The Plectida are a group of terrestrial and aquatic free-living nematodes with cephalic setae, a cylindrical stoma and unispiral amphids.

<==Plectida [Leptolaimina]
    |    |--HaliplectidaeLB02
    |    |--AulolaimidaeLB02
    |    `--Manunema Gerlach 1957L86 [PeresianidaeLB02]
    |         `--M. proboscidisL86
    |    |--TarvaiidaeLB02
    |    |--TubolaimoididaeLB02
    |    `--Ceramonema [Ceramonematidae]LB02
    |         `--C. carinatumL02b
    |    |  i. s.: AnaplectusFB90
    |    |         WilsonemaFB90
    |    |--ChronogasterFB10 [ChronogasteridaeLB02]
    |    |--MetateratocephalidaeLB02
    |    `--PlectidaeLB02
    |         |--Oligoplectus Taylor 1935H62
    |         |    `--*O. succini (Duisburg 1862) [=Anguillula succini]H62
    |         |--Vetus Taylor 1935H62
    |         |    `--*V. duisburgi Taylor 1935H62
    |         `--Plectus Bastian 1865H62
    |              |--*P. parientinus Bastian 1865H62
    |              |--P. antarcticusW02
    |              |--P. aquatilisGD00
    |              |--P. palustrisL02a
    |              |--P. rhizophilusBG-M11
    |              `--P. tenuisBG-M11
    `--Leptolaimoidea [Halaphanolaimidae]LB02
         |--RhabdolaimusFB90 [RhabdolaimidaeLB02]
              |  i. s.: Anomonema Hopper 1963L86
              |           `--A. haplostomaL86
              |         Setostephanolaimus Tchesunov 1994HZ02
              |         Antomicron Cobb 1920HZ02
              |         Leptolaimoides Vitiello 1971HZ02
              |         Procamacolaimus Gerlach 1954HZ02
              |           `--*P. acer Gerlach 1954B02
              |         Stephanolaimus Ditlevsen 1919HZ02
              |--Camacolaiminae [Camacolaimidae]HZ02
              |    |--Anguinoides Chitwood 1936HZ02
              |    |--Onchiolistia Blome 2002B02
              |    |    |--*O. multipapillata Blome 2002B02
              |    |    |--O. africana (Furstenberg & Vincx 1988) [=Procamacolaimus africanus]B02
              |    |    `--O. tubifera (Gerlach 1953) [=Procamacolaimus tubifer]B02
              |    `--Listia Blome 1982 [incl. Eontolaimus Furstenberg & Vincx 1988]B02
                   |--Halaphanolaimus Southern 1914HZ02
                   |    `--H. luridusHZ02
                   `--Leptolaimus de Man 1880HZ02
                        |--L. (Alveolaimus Alekseev & Rassadnikova 1977)HZ02
                        |--L. (Boveelaimus Alekseev & Rassadnikova 1977)HZ02
                        `--L. (Dermatolaimus Steiner 1916) [incl. Tubulaimus Alekseev & Rassadnikova 1977]HZ02

*Type species of generic name indicated


[B02] Blome, D. 2002. Five new genera of free-living marine nematodes from sandy beaches of eastern Australia. Memoirs of the Queensland Museum 48: 29–43.

[BG-M11] Borgonie, G., A. García-Moyano, D. Litthauer, W. Bert, A. Bester, E. van Heerden, C. Möller, M. Erasmus & T. C. Onstott. 2011. Nematoda from the terrestrial deep subsurface of South Africa. Nature 474: 79–82.

[FB90] Freckman, D. W., & J. G. Baldwin. 1990. Nematoda. In: Dindal, D. L. (ed.) Soil Biology Guide pp. 155–200. John Wiley & Sones: New York.

[GD00] Giribet, G., D. L. Distel, M. Polz, W. Sterrer & W. C. Wheeler. 2000. Triploblastic relationships with emphasis on the acoelomates and the position of Gnathostomulida, Cycliophora, Plathelminthes, and Chaetognatha: a combined approach of 18S rDNA sequences and morphology. Systematic Biology 49: 539–562.

[HZ02] Holovachov, O., A. Zullini, P. A. A. Loof & T. Bongers. 2002. Morphology and systematics of the genus Anonchus Cobb, 1913 (Nematoda: Leptolaimina) and reappraisal of the family Aphanolaimidae Chitwood, 1936 n. rank. Nematology 4 (6): 725–757.

[H62] Howell, B. F. 1962. Worms. In: Moore, R. C. (ed.) Treatise on Invertebrate Paleontology pt W. Miscellanea: Conodonts, Conoidal Shells of Uncertain Affinities, Worms, Trace Fossils and Problematica pp. W144–W177. Geological Society of America, and University of Kansas Press.

[L02a] Lee, D. L. 2002a. Life cycles. In: Lee, D. L. (ed.) The Biology of Nematodes pp. 61–72. Taylor & Francis: Florence (Kentucky).

[L02b] Lee, D. L. 2002b. Cuticle, moulting and exsheathment. In: Lee, D. L. (ed.) The Biology of Nematodes pp. 171–209. Taylor & Francis: Florence (Kentucky).

[LB02] Ley, P. de, & M. Blaxter. 2002. Systematic position and phylogeny. In: Lee, D. L. (ed.) The Biology of Nematodes pp. 1–30. Taylor & Francis: Florence (Kentucky).

[L86] Lorenzen, S. 1986. Nematoda: Interstitial nematodes from marine brackish and hypersaline environments. In: Botosaneanu, L. (ed.) Stygofauna Mundi: A Faunistic, Distributional, and Ecological Synthesis of the World Fauna inhabiting Subterranean Waters (including the Marine Interstitial) pp. 133–142. E. J. Brill/Dr W. Backhuys: Leiden.

[W02] Wharton, D. A. 2002. Nematode survival strategies. In: Lee, D. L. (ed.) The Biology of Nematodes pp. 389–411. Taylor & Francis: Florence (Kentucky).

Leave a comment

Your email address will not be published. Required fields are marked *