Archostemata (Archostematans) is a suborder of beetles. There are 47 species of Archostematans, in 19 genera and 7 families. It includes groups like Crowsoniellidae, Jurodids, and Reticulated Beetles.
Definition: overall repetitive or reflective pattern in the body of one individual of this taxon. eg: bilateral symmetry, rotational symmetry, radial symmetry
Definition: A group of species that exploit the same food resources, and/or use the same feeding or foraging methods. http://en.wikipedia.org/wiki/Guild_(ecology)