ostreopsidaceae ostreopsidaceae ostreopsidaceae is a family of free-living dinoflagellates found in marine environments. ostreopsidaceae scientific classification domain: eukaryota clade: diaphoretickes clade: sar clade: alveolata phylum: myzozoa superclass: dinoflagellata class: dinophyceae order: gonyaulacales family: ostreopsidaceaelindemann genera see text genera the world register of marine species includes the following genera in the family : alexandrium halim centrodinium kofoid coolia meunier fukuyoa gomez, qiu, lopes & lin gambierdiscus adachi & fukuyo ostreopsis j.schmidt