Family Teratocephalidae

                                 Revised 01/27/26

Classification:

Phylum Nematoda

  Class Chromadorea

    Subclass Chromadoria

Order Plectida

Suborder Plectina

Superfamily Plectoidea

Teratocephalidae Andrassy, 1958
            

• Cuticle heavily annulated, ocasionally with longitudinal ridges.
• Labial incisures sclerotized; labial setae papilliform
• Amphids minute, posterior to head.
• Rhabdions distinct in walls of stoma.
• Corpus and isthmus of esphagus amalgalated
• Excretory cell posterior to esophagus
• Tails of both sexes filiform

Female:

• monodelphic, prodelphic

Male:

• Males rare
• Submedial papilliform supplements

	Teratocephalus costatus: A. Female anterior; B: Female gonad; C: Longitudinal incisures; D: Female tail; F: Male spicule; G: Male gonad. from Hernandez and Jordana, 1988

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References

Andrassy, I. 2005. Free-living Nematodes of Hungary. Hungarian Natural History Museum.

Brostrom, S. and Holovachov, O.  2001 Study of Teratocephalidae (Nematoda) from the Ukraine. II. Description of a population of Teratocephalus tenuis Andrassy, 1958 with a discussion of male sexual characters. Russian Journal of Nematology 9:69-76.

Hernandez, M.A., Jordana, R. 1988. First description of male of two species of Teratocephalus de Man. 1876. (Nematoda: Teratocephalidae) Rev. Nematol. 11:423-428.

Holovachov, V. 2006. Morphology and systematics of the order Plectida Malakhov, 1982 (Nematoda). PhD Thesis, Wageningen University 246 p.

Malakhov, V.V., Ryzhykov, K.M. and Sonin, M.D. 1982. System of higher taxa of nematodes. Zoologeschii Zhurnal 64:1125-1134 (in Russian).

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