Family Heterocheilidae

                                 Revised 01/30/26

Classification:

Phylum Nematoda

  Class Chromadorea

    Subclass Chromadoria

                      Heterocheilidae Railliet & Henry, 1905

• A family of intestinal parasites of  reptiles (crocodilians) and some fish.

Two of the genera of the  Heterocheilidae are separated by the presence of dentigerous ridges on the lips.  The genus Multicaecum has such ridges, while the genus Brevimulticaecum does not. (Sprent, 1979).

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References

Masova, S., Moravec, F., Barus, V., Seifertova, M. 2020. Redescription, systematic status and molecular characterisation of Multicaecum heterotis Petter, Vassiliades et Marchand, 1979 (Nematoda: Heterocheilidae), an intestinal parasite of Heterotis niloticus (Osteichthyes: Arapaimidae) in Africa. Folia Parasitologica 57:280-288

Morgovoy, A.A. 1953: [Ascaridata of animals and Man and the Diseases caused by them. Essentials of Nematodology 2.] akademiya Nauk sssr, Moscow, 616 pp. (in Russian)

Skrjabin, K.I., Shikhobalova, N.P., Mozgovoyk.i., A.A. 1951.  [Key to Parasitic Nematodes. Vol. ii, Oxyurata and Ascaridata.] Akademiya Nauk SSSR Publishers, Moscow, 631 pp. (in Russian)

Sprent, J.F.A. 1979: Ascaridoid nematodes of amphibians and reptiles: Multicaecum and Brevimulticaecum. J. Helminthol. 53: 91–116.

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