karlodinium conicum karlodinium conicum karlodinium conicum is a species of unarmored dinoflagellates from the genus karlodinium. it was first isolated from the australian region of the southern ocean. it is large-sized and is characterized by having a distinct conical epicone and spherical posterior nucleus, hence its name. it is considered potentially ichthyotoxic. karlodinium conicum scientific classification domain: eukaryota clade: diaphoretickes clade: sar clade: alveolata phylum: myzozoa superclass: dinoflagellata class: dinophyceae order: gymnodiniales family: kareniaceae genus: karlodinium species: k. conicum binomial name karlodinium conicumde salas