Qudsianematidae. Body moderately slender to slender, 1.5 - 2.4 mm long.
Cuticle thin, smooth, exceptionally with superficial structure. Head
offset by depression, lips separate, angular. Stoma lining around
spear unusually wide and reaching well behind the spear. Odontostyle
straight and cylindrical, longer than cepahlic diameter; its aperture occupting
about one-third of its length. Fuiding apparatus a long tube with
widened anterior rindg. Oesophagus muscular, expanding before or
near middle in more steps. Oesophageal nuclei distinct, with the
excetption o f the anterior subventral nucleus. Intstine generally
folded, with enlarged cells at junction with prerectum. Pretectum
with short caudal sack. Anal musculature very strong. Vulva
transverse, locatd near middle of body. Female genital syustem amohidelphic;
rerproducition by automiziis. Males absent. Tail conoid, straight
to ventrally arcuate with rounded tip, as long as two to fivce anal diameters.
Distal part of tail "empty" with very thin cuticle.
Boreolaimus borealis Andrássy, 1998
B. arcticus Andrássy, 1998
(Andrássy, 1967) Andrássy, 1998
= Eudorylaimus enckelli Andrássy,
B. lapponicus Andrássy, 1998
B. norvegicus Andrássy, 1998
B. septemtrionalis Andrássy, 1998
(Description- Andrássy, 1998)