Shenkar, N.; Gittenberger, A.; Lambert, G.; Rius, M.; Moreira da Rocha, R.; Swalla, B.J.; Turon, X. (2021). Ascidiacea World Database.
Tethyum pyriforme (Rathke, 1806). Accessed at: http://www.marinespecies.org/ascidiacea/aphia.php?p=taxdetails&id=254101 on 2024-04-23