Bock, P. (2021). World List of Bryozoa. Spinofenestella usiensis (Schulga-Nesterenko, 1936) †. Accessed through: Marine Species Traits editorial board (2021) Marine Species Traits at: http://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=1413845 on 2024-08-20
Marine Species Traits editorial board (2024). Marine Species Traits. Spinofenestella usiensis (Schulga-Nesterenko, 1936) †. Accessed at: https://marinespecies.org/traits/aphia.php?p=taxdetails&id=1413845 on 2024-08-20