Crustacea site with ID Keys and or drawings of some orders, including calanoida copepods among others.
http://www.crustacea.net/crustace/world_crustacea.htm
http://www.crustacea.net/crustace/calanoida/index.htm
calanoida copepods description
calanoida copepods description
Zeiss Standard WL (somewhat fashion challenged) & Wild M8
Olympus E-P2 (Micro Four Thirds Camera)
Olympus E-P2 (Micro Four Thirds Camera)