Rev 08/04/2020

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Morphology and Anatomy Life Cycle
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              Lordellonema Siddiqi 1982


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Morphology and Anatomy:

  • Medium-sized nematodes, 1mm or longer long.
  • Cuticle irregular with conspicuous pores, lateral, dorsal and ventral,  that open into conspicuous canals.
  • Lip region offset from body contour by a constriction.
  • Lips and papillae distinct.
  • Stoma wide, walls not sclerotized.
  • Odontostyle with wide lumen; aperture more than half its length.
  • Odontophore with wide lumen.
  • Guiding ring simple, large.
  • Esophagus very muscular, widening gradually at or behind middle.
  • Female diovarial, amphidelphic.
  • Vulva pore-like.
  • Male spicules not dorylaimoid, without median stiffening piece..
  • Ventromedian supplements numerous, spaced..
  • Tail conoid to subdigitate.

Ref. Siddiqi, 1982.


The genus name is a contraction of the name of famed Indian Nematologist and dorylaim specialist, Dr. Mohammed Shamim Jairajpuri.

Body size range for the species of this genus in the database - Click:

Dr. Jairajpuri attending an International Postgraduate Nematology Course, Wageningen, Netherlands, 1965
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Reported from terrestrial habitats.

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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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Andrassy, I. 2009. Free-living Nematodes of Hungary III.  Hungarian Natural History Museum, Budapest. 608p.

Imran, Z., J. Abolafia, R. Pe�a-Santiago and W. Ahmad. 2019. Morphological and molecular characterisation of Lordellonema idiofora Siddiqi, 1982 (Dorylaimida: Qudsianematidae), with new insights into the phylogeny of the enigmatic Lordellonematinae. Nematology 21:349-360.

Siddiqi, M.R. 1982. Sicorinema gen. n. and Lordellonema gen. n.(Dorylaimida: Crateronematidae) with descriptions of four new species. Nematologia Mediterranea 10:157-166.

Vinciguerra, M.T. 2006. Dorylaimida Part II: Superfamily Dorylaimoidea.  Pp 392-467 in Eyualem-Abebe, W. Traunspurger and I Andrassy (eds) Freshwater Nematodes: Ecology and Taxonomy. CABI, Cambridge MA.

Yeates, G.W., T. Bongers, R. G. M. De Goede, D. W. Freckman, and S. S. Georgieva. 1993. Feeding habits in soil nematode families and genera—An outline for soil ecologists. Journal of Nematology 25:315-331


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Copyright © 1999 by Howard Ferris.
Revised: August 04, 2020.