H4Y4D2R1O1Z10O1A1N1S1
26 points
HYDROZOANS is validvalid
HYDROZOAN, [n]
HYDROZOAN, any coelenterate of the class Hydrozoa, comprising organisms that are mostly marine and colonial with polyp and medusoid stages in the life cycle, also HYDROZOON [n]
HYDROZOAN, [n]
HYDROZOAN, any coelenterate of the class Hydrozoa, comprising organisms that are mostly marine and colonial with polyp and medusoid stages in the life cycle, also HYDROZOON [n]