Bock, P. (2021). World List of Bryozoa. Chasmatopora aspera (Hall, 1847) †. Accessed through: Marine Species Traits editorial board (2021) Marine Species Traits at: http://marinespecies.org/traits/aphia.php?p=taxdetails&id=1410472 on 2024-05-04
Marine Species Traits editorial board (2024). Marine Species Traits. Chasmatopora aspera (Hall, 1847) †. Accessed at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=1410472 on 2024-05-04