Some Hydroids (Cnidaria, Hydrozoa) from the Great Australian Bight in the collection of the South Australian Museum Author Watson, Jeanette E. text Zootaxa 2018 2018-04-16 4410 1 1 34 journal article 30260 10.11646/zootaxa.4410.1.1 e3312098-042c-4aa4-8d6e-f9f744f221c3 1175-5326 1221172 49D4F0BD-2842-4C1A-A94A-F3CA202D3FFA Symplectoscyphus subdichotomus ( Kirchenpauer, 1884 ) Figure 6G–H Sertularella subdichotoma Kirchenpauer, 1884 : 46 , pl. 16, figs 1, 1b.— Jäderholm, 1926 : 6 .— Totton, 1930 : 188 . Sertularella divaricata Bale, 1914a : 20 , pl.2, figs 1–9. Symplectoscyphus subdichotomus . — Stechow, 1922 : 149 .— Ralph, 1961 : 813 , fig 20a, b.— Ralph, 1966 : 159 .— Watson, 1973 : 175 .— Gravier-Bonnet, 1979 : 52 .— Staples & Watson, 1987 : 18 .— Vervoort, 1993 : 241 .— Watson, 1994 : 67 .— Bouillon et al ., 1995 : 74 .— Vervoort & Watson 2003 : 233 , figs 55 F–H, 56 A–F.— Bouillon et al, 2006 : 393 . Material examined. SAM H2344, preserved colony; one microslide ( SAM H2586). PIRSA Stn IBMP 5c. Remarks. Fertile male colony, branched, to 15 mm high; conforms to previous descriptions of Symplectoscyphus subdichotomus . Bale (1914a) figured male and female gonothecae (as Sertularella divaricata ) from several localities in the Great Australian Bight. S. subdichotomus is a common southern Australian species favouring habitats in strong tidal currents (Watson, pers.obs.). Distribution. Southern Australia , Tasman Sea, New Zealand .