(ofPsammaplidium spauldingi Ritter, 1907)Ritter, W. E. (1907). The ascidians collected by the United States Fisheries Bureau steamer Albatross on the coast of California during the summer of 1904. <em>Univ. Calif. Publ. Zool.</em> 4:1-52.[details]
Shenkar, N.; Gittenberger, A.; Lambert, G.; Rius, M.; Moreira da Rocha, R.; Swalla, B.J.; Turon, X. (2024). Ascidiacea World Database. Aplidium spauldingi (Ritter, 1907). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=251575 on 2024-07-05
original description(ofPsammaplidium spauldingi Ritter, 1907)Ritter, W. E. (1907). The ascidians collected by the United States Fisheries Bureau steamer Albatross on the coast of California during the summer of 1904. <em>Univ. Calif. Publ. Zool.</em> 4:1-52.[details]