Coccoid means shaped like or resembling a coccus, that is, spherical.The noun coccoid or coccoids may refer to:

a level of organization, characterized by unicellular, non-flagellated, non-amoeboid organisms, with a definite shape, in general but not always ovoid. It is found in many groups, e.g.:

• some bacteria, also called cocci (pl. of coccus)

• some green algae, like the desmids and the former Chlorococcales (now in several orders within the division Chlorophyta)

• some dinoflagellates, notably Symbiodinium

• some chrysophytes

• some xanthophytes

• the diatoms

the superfamily Coccoidea of scale insects

• the Coccidae family within the Coccoidea

See also

• Coccolite, a form of the mineral diopside

• Coccolithophore, a class of phytoplankton (alga)

• Coccolith, a platelet formed by coccolithophore, found in chalk