Stylasteridae (Cnidaria, Hydrozoa, Filifera) from South Africa Author Cairns, Stephen D. Author Zibrowius, Helmut text Zootaxa 2013 3691 1 1 57 journal article 10.11646/zootaxa.3691.1.1 c566ff57-5a45-411c-98d9-0e65200455af 1175-5326 284237 E98CE6DF-AF3B-4AAA-95CB-8ACD615C9FCC Stylaster (Species group C) Diagnosis. Species of Stylaster having cyclosystems arranged only on branch edges; branch tips usually slender, ending in one cyclosystem.