Schulze, F.E. (1896 (1895)). Hexactinelliden des indischen Oceanes. II. Theil. Die Hexasterophora. <em>Abhandlungen der Preussischen Akademie der Wissenschaften, Berlin.</em> 3: 1-92, pls I-VIII. page(s): 4-7 [details]
de Voogd, N.J.; Alvarez, B.; Boury-Esnault, N.; Cárdenas, P.; Díaz, M.-C.; Dohrmann, M.; Downey, R.; Goodwin, C.; Hajdu, E.; Hooper, J.N.A.; Kelly, M.; Klautau, M.; Lim, S.C.; Manconi, R.; Morrow, C.; Pinheiro, U.; Pisera, A.B.; Ríos, P.; Rützler, K.; Schönberg, C.; Turner, T.; Vacelet, J.; van Soest, R.W.M.; Xavier, J. (2025). World Porifera Database. Holascus robustus Schulze, 1896. Accessed through: Marine Species Traits editorial board (2025) Marine Species Traits at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=171920 on 2026-03-10
Marine Species Traits editorial board (2026). Marine Species Traits. Holascus robustus Schulze, 1896. Accessed at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=171920 on 2026-03-10
original descriptionSchulze, F.E. (1896 (1895)). Hexactinelliden des indischen Oceanes. II. Theil. Die Hexasterophora. <em>Abhandlungen der Preussischen Akademie der Wissenschaften, Berlin.</em> 3: 1-92, pls I-VIII. page(s): 4-7 [details]
Present Inaccurate Introduced: alien Containing type locality