Kroh, A.; Mooi, R. (2021). World Echinoidea Database. Homoeopetalus Arnold & H.L. Clark, 1934 †. Accessed through: Marine Species Traits editorial board (2021) Marine Species Traits at: http://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=739874 on 2024-10-12
Marine Species Traits editorial board (2024). Marine Species Traits. Homoeopetalus Arnold & H.L. Clark, 1934 †. Accessed at: https://marinespecies.org/traits./aphia.php?p=taxdetails&id=739874 on 2024-10-12