Ceratophysa ceratopyga valvaecristata young specimen viewed from above. Specimen photographed after ethanol fixation. Reprinted from: Deep Sea Research Part II: Topical Studies in Oceanography, Vol. 111, Mironov A.N., Minin K.V., Dilman A.B., Abyssal echinoid and asteroid fauna of the North Pacific, Pages 357–375, Copyright (2014), with permission from Elsevier. 2014.

 
 
  Part of: Saeedi H, Brandt A (2020) Biogeographic Atlas of the Deep NW Pacific Fauna. Advanced Books. https://doi.org/10.3897/ab.e51315