World Register of Marine Species (WoRMS)
Shenkar, N.; Gittenberger, A.; Lambert, G.; Rius, M.; Moreira da Rocha, R.; Swalla, B.J.; Turon, X. (2026). Ascidiacea World Database. Polycarpa longiformis Tokioka, 1952. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=251032 on 2026-08-29
Tokioka, T. (1952). Ascidians collected by Messrs. Renzi Wada with Seiza Wada from the pearl-oyster bed in the Arafura Sea in 1940. Publs Seto mar. biol. Lab. 2(2): 91-142.