Halecium ovatum, holotype colony, BMNH Reg. No. 29.10.10.1. A, part of stem. B, empty female ovoid and subquadrangular gonothecae. Scale bar: A, 10 mm. B, 1 mm.

From Watson, J.E. (2008). Hydroids of the BANZARE expeditions, 1929 – 1931: the family Haleciidae (Hydrozoa, Leptothecata) from the Australian Antarctic Territory. Memoirs of Museum Victoria 65: 165-178

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