Sladen, W.P. (1889). Report on the Asteroidea. <em>Report on the Scientific Results of the Voyage of H.M.S. Challenger during the years 1873–1876. Zoology.</em> 30 (part 51): xlii + 893 pages, 118 plates., available online athttp://www.19thcenturyscience.org/HMSC/HMSC-Reports/Zool-51/README.htm page(s): 645 [details]
Mah, C.L. (2025). World Asteroidea Database. Freyella attenuata Sladen, 1889. Accessed at: https://marinespecies.org/asteroidea/aphia.php?p=taxdetails&id=248034 on 2025-05-05
original descriptionSladen, W.P. (1889). Report on the Asteroidea. <em>Report on the Scientific Results of the Voyage of H.M.S. Challenger during the years 1873–1876. Zoology.</em> 30 (part 51): xlii + 893 pages, 118 plates., available online athttp://www.19thcenturyscience.org/HMSC/HMSC-Reports/Zool-51/README.htm page(s): 645 [details]
context source (Deepsea)Intergovernmental Oceanographic Commission (IOC) of UNESCO. The Ocean Biogeographic Information System (OBIS), available online athttp://www.iobis.org/[details]