Hydrodendron daidalum (Watson 1969) from type material

Fig. 1, hydrorhiza network on alga;
Fig. 2, hydrorhiza enlarged, showing markings;
Fig. 3, 4, hydrothecal pedicel; fig. 4 anterior view;
Fig. 5, extended hydranth with lenticular nematocysts;
Fig. 6, from Holotype; stem, nematotheca, and nearly mature male gonotheca; group chosen to show relative sizes, but nematotheca displaced further behind hydrothecal pedicel than usual.
Fig. 7, nematotheca and extended nematophore.

From Watson, J.E. (1969). Scoresbia: a new hydroid genus from South Australian waters. Transactions of the Royal Society of South Australia 93: 111-116

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