Maggenti suggests that the Aphelenchina are an earlier evolutionary group
than the Tylenchina.Rev 05/23/2005
Secernentea
Tylenchida
Aphelenchina
Aphelenchoidea
Aphelenchidae
Family characterized by large metacorpus (median bulb), esophageal glands
usually not enclosed in a bulb (overlapping). Dorsal esophageal gland
opens into metacorpus.
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