ClipArt ETC
Magnified hydroid showing spore-sacs.

Hydroids

Magnified hydroid showing spore-sacs.

Sertularia are members of the Protista kingdom. It is an example of another group of the hyroid zoophytes, almost all the members of which are marine.

Sertularia

Sertularia are members of the Protista kingdom. It is an example of another group of the hyroid zoophytes,…

Sertularia are members of the Protista kingdom. It is an example of another group of the hyroid zoophytes, almost all the members of which are marine.

Sertularia

Sertularia are members of the Protista kingdom. It is an example of another group of the hyroid zoophytes,…

Sertularia are members of the Protista kingdom. This is an example of the egg-producing gonophore.

Sertularia

Sertularia are members of the Protista kingdom. This is an example of the egg-producing gonophore.