Species Petalobrissus tadjikistanensis Egorov, 1972 †(unaccepted > nomen nudum, unavailable since proposed without description, illustration, or indication (ICZN 1999 Article 12.1.))
marine, brackish, fresh, terrestrial
fossil only
Not documented
Kroh, A.; Mooi, R. (2021). World Echinoidea Database. Petalobrissus Lambert in Lambert & Thiéry, 1921 †. Accessed through: Marine Species Traits editorial board (2021) Marine Species Traits at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=512651 on 2025-05-27
Marine Species Traits editorial board (2025). Marine Species Traits. Petalobrissus Lambert in Lambert & Thiéry, 1921 †. Accessed at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=512651 on 2025-05-27