Genus Nygolaimus

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ORDER DORYLAIMIDA

Family Nygolaimidae

Genus Nygolaimus

Genus Nygolaimus Cobb, 1913
 Syn. (Nygolaimus) Thorne, 1930 (Nygolaimium) Thorne, 1930

“Definition:  Nygolaiminae.  Mural tooth located on left submedian wall of stoma at the junction of anterior and posterior parts.  Anterior part lined by a cuticularized guiding sheath, usually adpressed closely to the stoma wall.  A plicated anterior fixed ring surrounds the tip of the tooth when in the position of rest.  Guiding sheath is divided into 2 or 3 sections which are eversible through the fixed anterior ring.  Posterior part of stoma tubular with well-cuticularized lining.  Oesophagus well developed throughout, usually expanded beyond the middle.  Of the 5 oesophageal gland nuclei the dorsal is more posterior than in most doryliams; the first pair of subventrals is well forward and the second pair near the base of the oesophagus.  3 prominent cells mark the junction of oesophagus and intestine.  Ovaries paired, opposed, reflexed.  Spicules dorylaimoid, lateral guiding pieces and a small gubernaculum present Type species:  Nygolaimus pachydermatus Cobb, 1913 syn. N. (N.) pachydermatus Cobb, 1913 (Thorne, 1930).” From Goodey 1963 and Powers and Mullin website http://nematode.unl.edu/
Nygolaimus

Nygolaimus

References:

Goodey T. and J.B. Goodey. 1963. Soil and Freshwater Nematodes.  Butler and Tanner Ltd, London, Great Britain

Powers T. and P. Mullin. Plant and Insect Parasitic Nematodes. University of Nebraska Nematology Website. http://nematode.unl.edu/  Images: Photo Gallery- Haughton Crater

Phylum Nematoda

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