Sladen, W.P. (1882) The Asteroidea of H.M.S. <i>Challenger</i> Expedition, pt. 1. Pterasteridae. Journal of the Linnean Society of London. 16: 189-246, available online athttp://biodiversitylibrary.org/page/31982430 page(s): 213 [details]
Mah, C.L. (2025). World Asteroidea Database. Hymenaster formosus Sladen, 1882. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=234918 on 2025-04-17
original descriptionSladen, W.P. (1882) The Asteroidea of H.M.S. <i>Challenger</i> Expedition, pt. 1. Pterasteridae. Journal of the Linnean Society of London. 16: 189-246, available online athttp://biodiversitylibrary.org/page/31982430 page(s): 213 [details]
basis of recordClark, A. M. (1996). An index of names of recent Asteroidea, part 3. Velatida and Spinulosida. <em>In: Jangoux, M.; Lawrence, J.M. (Ed.) (1996). Echinoderm Studies.</em> 5: 183-250. (look up in IMIS) [details]
Other
context source (Deepsea)Intergovernmental Oceanographic Commission (IOC) of UNESCO. The Ocean Biogeographic Information System (OBIS), available online athttp://www.iobis.org/[details]