Kingdom Animalia Linnaeus, 1758 - animals Phylum Nematoda Gegenbaur, 1859 - round worms Class Chromadorea Inglis, 1983 Subclass Plectia Hodda, 2007 Superorder Rhabditica Hodda, 2007 Order Panagrolaimida Hodda, 2007 Suborder Tylenchina Chitwood, 1950 Superfamily Criconematoidea Taylor, 1936 (1914) Family Criconematidae Taylor, 1936 (1914)