Probuccinum costatum is a species of sea snail, a marine gastropod mollusk in the family Prosiphonidae, the true whelks.
Distribution This species occurs in the Davis Sea.
References
Engl, W. (2012). Shells of Antarctica. Hackenheim: Conchbooks. 402 pp.
External links
Egorova, E. (1982). Biological results of the Soviet Antarctic expeditions, 7. Molluscs of the Davis Sea [Егорова Э.Н. Результаты биологических исследований советских антарктических экспедиций. Вып. 7. Моллюски моря Дейвиса (Восточная Антарктика). Explorations of the Fauna of the Seas [Исследования фауны морей]. 26(34): 1-142]