Annelida (Segmented Worms) is a phylum of animals. There are 20167 species of Segmented Worms, in 2085 genera and 174 families. It includes groups like Magelonidae, Peanut Worms, and Oweniidae.
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)
Definition: The institution that holds a type specimen for a given species. The recommended best practice is to use the identifier in a collections registry such as the Biodiversity Collections Index (http://www.biodiversitycollectionsindex.org/).