adenal rhabdite bundles strewn over entire body; gland cells of adhesive papillae insunk; longitudinal nerve trunks and tail ganglion within circular muscles; body widest near hind end, tapering rostrally; with straight unpocketed intestine and weakly developed parenchyma; atrium mostly large and fully ciliated; accessory gland organ with unpaired sac- or tube-like gland and long, tubular gland stylet; ovaries unpaired; with a bursal canal; cuticular apparatus of bursal organ with a bowl- or funnel-shaped middle-piece which bears differently differentiated lobes; middle piece to vesicle end piece of sperm tube separated through a mouthpiece; sperm tubes long, curved distally, whip-shaped;
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