Notes on a small collection of thecate hydroids (Cnidaria: Hydrozoa) from Tristan da Cunha, south Atlantic Author Galea, Horia R. text Zootaxa 2010 2336 1 18 journal article 10.5281/zenodo.205235 58869148-c1e6-483c-9a76-0f1976cdeda9 1175-5326 205235 Parascyphus simplex (Lamouroux, 1816) – a few sterile colonies assigned to Thyroscyphus tridentatus (Bale, 1894) were obtained from Gough Island (Ritchie 1909, Scotia material, depth 46 m ). Additional records of this species are from Australia , New Zealand , South Africa , Vema Seamount (Vervoort & Watson 2003).