Rev 11/19/2019

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Doryllium Cobb, 1920
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Morphology and Anatomy:



  • Small nematodes, between 0.5 and 1.1 mm ilong.
  •  Lip region continuous or offset.
  • Lips amalgamated, with the inner part sometimes a perioral disc
  •  Cheilostom an unsclerotized truncate cone.
  •  Odontostyle short, tubular or asymmetrical with distinct lumen and
  •  Odontophore with distinct basal knobs or flanges.
  • Anterior portion of esophagus slender, weakly muscular, basal expansion more or less pyriform, may have a constriction separating it from the anterior
  • Female genital system mono-opisthodelphic, with or without pre-vulval uterine sac.
  • Tail similar in both sexes, short and rounded]

Ref: Ahmad et al., 2018



  • Spicules dorylaimoid
  • One pair of adcloacal ventromedian supplement.
Body size range for the species of this genus in the database - Click:
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Biology and Ecology:

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Life Cycle:

For Ecophysiological Parameters for this genus, click 
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Ecosystem Functions and Services:


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Ahmad, S., Ahad, S., Islam, N., Sturhan, D. 2018. Taxonomy of the genus Doryllium Cobb, 1920 (Nematoda: Dorylaimida) with description of two new and a known species. Zootaxa 4441:261-278.

Goodey, Soil and Freshwater Nematodes

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Copyright © 1999 by Howard Ferris.
Revised: November 19, 2019.