Rev. 03/29/2021
Head not offset, contiguous with contour of body.
Stoma unarmed
Amphids vary from a transverse slit or pore to an elongate, expanded pouch with oval opening.
Esophagus elongated, expanding gradually posteriorly.
Females with one or two ovaries.
Males supplementary organs generally absent or inconspicuous. males with one or two testes.
Maggenti, A.R. 1981. General Nematology. Springer Verlag, New York.