Hexactinellida from the Perth Canyon, Eastern Indian Ocean, with descriptions of five new species Author Tabachnick, Konstantin Author Fromont, Jane Author Ehrlich, Hermann Author Menshenina, Larisa text Zootaxa 2019 2019-09-02 4664 1 47 82 journal article 25821 10.11646/zootaxa.4664.1.2 aa4ab61b-5bb7-4a74-857b-e92447ed1425 1175-5326 3383496 4434E866-7C52-48D1-9A6B-1E6220D71549 Hyalonema sp. Material examined . Australia : Western Australia : WAM Z35339, 3 fragments, Perth Canyon (31 o 57’54’’S, 115 o 06’18’’E to 31 o 56’59”S , 115 o 07’05”E, Figure 1 ), 928–1170 m , J. Fromont and C. Whisson , sled, 30/11/2005 , RV Southern Surveyor station SS1005/073 . Remarks. This material also had fragments contaminated with the spicules of Monorhaphis chuni which has been separated and given the registration number WAM Z88465. A few spicule types can be attributed to Hyalonematidae , and to the genus Hyalonema . The fragments do not possess specific features to attribute them to any known species. Distribution. The genus is cosmopolitan and was reported in the eastern Indian Ocean by Tabachnick et al. (2008).