Ectopleura exxonia [ex Tubularia exxonia] (Watson). A, hydranth with gonophores; B, cluster of nearly mature gonophores on blastostyle.

From Watson, J.E. (1978) New species and new records of Australian athecate hydroids. Proceedings of the Royal Society of Victoria 90(2): 301-314.

Photographer: Watson, Jeanette. Publisher: Watson, Jeanette.