(of)Milaschewitch, K.O. (1916). Molluscs of Russian seas. Vol. I. Molluscs of the Black and Azov seas. Faune de la Russie et des pays limitrophes, 312 p. [????????? ?.?. 1916. ???????? ??????? ?????. ???. I. ???????? ??????? ? ????????? ?????. ????? ?????? ? ???????????? ?????, 312 ?.]. [In Russian]., available online athttps://biodiversitylibrary.org/page/12116351 page(s): 126-127, pl. 4, figs. 5-7 [details]
MolluscaBase eds. (2025). MolluscaBase. Retusa ovoides (Milaschewitsch, 1916). Accessed through: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2025) European Register of Marine Species at: https://www.marbef.org/data/aphia.php?p=taxdetails&id=576583 on 2026-08-11
Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2026). European Register of Marine Species. Retusa ovoides (Milaschewitsch, 1916). Accessed at: https://vliz.be/vmdcdata/narms/narms.php?p=taxdetails&id=576583 on 2026-08-11
original description(of)Milaschewitch, K.O. (1916). Molluscs of Russian seas. Vol. I. Molluscs of the Black and Azov seas. Faune de la Russie et des pays limitrophes, 312 p. [????????? ?.?. 1916. ???????? ??????? ?????. ???. I. ???????? ??????? ? ????????? ?????. ????? ?????? ? ???????????? ?????, 312 ?.]. [In Russian]., available online athttps://biodiversitylibrary.org/page/12116351 page(s): 126-127, pl. 4, figs. 5-7 [details]