Family Leptonchidae
Revised 05/09/08
Possess axial spear with extension that may or may not have basal knobs or flanges. Esophagus anteriorly slender with relatively short (usually less than 30% of whole esophagus) expanded basal region.
Excretory pores in two lateral rows on each side on cuticle.
Males with two testes and two adanal papillae.
Genera:
Leptonchus: spear very slender, spear extension arced and strongly cuticularized. Diovarial, amphidelphic.
Proleptonchus: spear curved, spear extension not strongly cuticular. Monovarial, prodelphic.
Dorylaimoides: spear asymmetrical, spear extension angular. Diovarial, amphidelphic.
Doryllium: Very short spear, spear extension with flanges or flattened knobs. Monovarial, opisthodelphic.
Tylencholaimellus: Spear with dorsal thickened portion; spear extension knobbed at base. Monovarial, opisthodelphic.
Funaria: very small spear; stoma wall cuticularized, stoma an inverse cone. Diovarial, amphidelphic.
Apoleptonchus
Proleptonchoides
Meylis
Bertzuckermania
Bongers, De Nematoden Van Nederland
Goodey, Soil and Freshwater Nematodes