Rathke, J. (1806). in: Müller, O.F., Zoologia danica, sev Animalivm Daniae et Norvegiae rariorvm ac minvs notorvm descriptiones et historia. <em>Havniae 1906.</em> Ed. 3, 4: 1-46., available online athttps://www.biodiversitylibrary.org/page/33601673[details]
Shenkar, N.; Gittenberger, A.; Lambert, G.; Rius, M.; Moreira da Rocha, R.; Swalla, B.J.; Turon, X. (2024). Ascidiacea World Database. Ascidia pyriformis Rathke, 1806. Accessed through: World Register of Marine Species at: https://marinespecies.org/aphia.php?p=taxdetails&id=872408 on 2024-05-02
original descriptionRathke, J. (1806). in: Müller, O.F., Zoologia danica, sev Animalivm Daniae et Norvegiae rariorvm ac minvs notorvm descriptiones et historia. <em>Havniae 1906.</em> Ed. 3, 4: 1-46., available online athttps://www.biodiversitylibrary.org/page/33601673[details]