The delectustine split from its ancestor and now feeds on the botryomorsus subterreus. The deleticustine crawls through the sand seeking a botryomorsus subterreus colony to feed on, they have evolved "whisker" that it uses to pick off and feed on them.
Living Relatives (click to show/hide)
These are randomly selected, and organized from lowest to highest shared taxon. (This may correspond to similarity more than actual relation)