Family characterized by large metacorpus (median bulb), esophageal glands
usually not enclosed in a bulb (overlapping). Dorsal esophageal gland
opens into metacorpus.
Maggenti suggested that the Aphelenchina are an earlier evolutionary group than the Tylenchina.
Type Genus.--Aphelenchus Bastian, 1865
Ref: Nickle, 1970
Nickle, W.R. 1970. A Taxonomic Review of the Genera of the Aphelenchoidea (Fuchs, 1937) Thorne, 1949 (Nematoda: Tylenchida) . J. Nematology 2:375-392.
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