Cnidara is likely misspelled.
Cnidara has no English definition.
As a noun metazoa
is all those multicellular animals of the subkingdom Metazoa.
metazoa
English
Noun
(-)
(zoology) All those multicellular animals of the subkingdom Metazoa.
cnidara
Not English
Cnidara has no English definition. It may be misspelled.