Raphidioptera (Snakeflies) is an order of insects. There are 253 species of Snakeflies, in 33 genera and 2 families. It includes groups like Raphidiidae and Inocelliidae.
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)