Ritter, W. E. (1913). The simple ascidians from the North-eastern Pacific in the collection of the United States National Museum. <em>Proc. U.S. Mus.</em> 45(1989): 427-509.[details]
Shenkar, N.; Gittenberger, A.; Lambert, G.; Rius, M.; Moreira da Rocha, R.; Swalla, B.J.; Turon, X. (2021). Ascidiacea World Database. Hartmeyeria Ritter, 1913. Accessed through: Odido, M.; Appeltans, W.; BelHassen, M.; Mussai, P.; Nsiangango, S.E.; Vandepitte, L.; Wambiji, N.; Zamouri, N. Jiddou, A.M. (Eds) (2021) African Register of Marine Species at: http://marinespecies.org/afremas/aphia.php?p=taxdetails&id=204566 on 2026-06-09
Odido, M.; Appeltans, W.; BelHassen, M.; Mussai, P.; Nsiangango, S.E.; Vandepitte, L.; Wambiji, N.; Zamouri, N. Jiddou, A.M. (Eds) (2026). African Register of Marine Species. Hartmeyeria Ritter, 1913. Accessed at: https://marinespecies.org/afremas/aphia.php?p=taxdetails&id=204566 on 2026-06-09
original descriptionRitter, W. E. (1913). The simple ascidians from the North-eastern Pacific in the collection of the United States National Museum. <em>Proc. U.S. Mus.</em> 45(1989): 427-509.[details]