Genus Xiphinema
Cobb, 1913
Spear greatly attenuated with extensions bearing elongate, basal flanges.
Spear guiding ring deep in the pharynx. Basal part of esophagus
2-4 times as long as body width. Vulva transverse with muscular labia.
Ovaries 1 or 2. Tails hemispheroid to elongate cylindroid.
Males often unknown or rare. Species are not assigned to subgenera
as outlined by Cohn and Sher, 1972.
Type species: Xiphinema
americanum Cobb, 1913
Other species: Xiphinema
index, Thorne & Allen, 1950
Species found:
at:
