- Composed of a single branch. When used in reference to an appendage, it usually implies the loss of the exopod, as in a walking leg [Warner, 1977].Having a single branch (the endopodite) or ramus [Holdich and Jones, 1983].With only a single branch [Wilson, 1989].(Order Isopoda):Having one ramus or branch [Kensley and Schotte, 1989].(Subclass Copepoda):One-branched; used of limbs possessing only one ramus (either endopod or exopod) [Boxshall and Halsey, 2004].
Crustacea glossary. Natural History Museum of Los Angeles County. 2011.