Kroh, A.; Mooi, R. (2021). World Echinoidea Database. Rhynobrissus A. Agassiz, 1872. Accessed at: http://www.marinespecies.org/Echinoidea/aphia.php?p=taxdetails&id=512866 on 2024-04-23
original descriptionAgassiz, A. 1872. Preliminary Notice of a few Species of Echini. Bulletin of the Museum of Comparative Zoölogy at Harvard College 3, 55-58., available online athttps://www.biodiversitylibrary.org/page/6705306[details]