Calanidae is the largest taxonomic family of calanoid copepods. It includes the genus Calanus, which may be the most abundant metazoan genus on Earth. Copepods of the genera Calanus and Neocalanus are ecologically important in the Arctic and subarctic regions of the world's oceans. Genera The family contains the following genera: Calanoides Calanus Canthocalanus Cosmocalanus Mesocalanus Metranura Nannocalanus Neocalanus Undinula References External links Guide to the marine zooplankton of south eastern Australia Calanoida Taxa named by James Dwight Dana Crustacean families