Kroh, A.; Mooi, R. (2024). World Echinoidea Database. Paratrema Koehler, 1927. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=512939 on 2024-06-15
basis of recordMortensen, T. (1943). A Monograph of the Echinoidea. III, 2. Camarodonta. I. Orthopsidæ, Glyphocyphidæ, Temnopleuridæ and Toxopneustidæ. vii+553 pp., C. A. Reitzel, Copenhagen.[details]