Published April 9, 2019 | Version v1
Taxonomic treatment Open

Harpagonchinae Platonova & Potin 1972

Description

Subfamily Harpagonchinae

Diagnosis (modified from Decraemer & Smol 2006 and Tchesunov, 2014): Cuticle with homogenous ornamentation without lateral differentiation. Anterior sensilla in three separate circles with the four cephalic sensilla setiform. Buccal cavity with three movable triangular-shaped mandibles with anterior solid hooks. Pharynx enlarged anteriorly around the mandibular apparatus and posteriorly widened with or without terminal bulb. Males with precloacal supplements present (cup-shaped) or absent. The genera of this sub-family are either considered ectoparasites (Decraemer & Smol 2006) or ectosymbionts (Tchesunov 2014) of polychaetes in marine environments.

Notes

Published as part of Venekey, Virag, Gheller, Paula F., Kandratavicius, Noelia, Cunha, Beatriz Pereira, Vilas-Boas, Ana Carolina, Fonseca, Gustavo & Maria, Tatiana F., 2019, The state of the art of Chromadoridae (Nematoda, Chromadorida): a historical review, diagnoses and comments about valid and dubious genera and a list of valid species, pp. 1-67 in Zootaxa 4578 (1) on page 32, DOI: 10.11646/zootaxa.4578.1.1, http://zenodo.org/record/2637441

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Additional details

References

  • Decraemer, W. & Smol, N. (2006) Orders Chromadorida, Desmodorida and Desmoscolecida. In: Freshwater nematodes: ecology and taxonomy. United Kingdom: CABI Publishing, pp. 497 - 573. https: // doi. org / 10.1079 / 9780851990095.0497
  • Tchesunov, A. V. (2014) Order Chromadorida Chitwood, 1933 In: Gastrotricha, Cycloneuralia, Gnathifera. Handbook of Zoology Online. Germany, De Gruyter, pp. 373 - 398.