Calanticomorpha is an order of barnacles. There are 29 species of Calanticomorpha, in 7 genera and 2 families. It includes groups like Cretiscalpellidae and Titanolepadidae.
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: a sub-group of suspension feeding animals that feed by straining suspended matter and food particles from water, typically by passing the water over a specialized filtering structure
Definition: An eye that consists of a cluster of three or four pit eyes that form a single structural unit but are separated from one another by pigment layers
