Atagema spongiosa

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Atagema spongiosa is a species of sea slug or dorid nudibranch, a marine gastropod mollusk in the family Discodorididae. Description The body is oval and flattened, characterized by a dorsal surface covered in prominent, rounded tubercles that gradually decrease in size toward the mantle margin. A distinct longitudinal ridge runs centrally along the midline, spanning the area between the rhinophores and the gill.

Atagema es un género de moluscos nudibranquios de la familia Discodorididae. ​ Especies El Registro Mundial de Especies Marinas reconoce las siguientes especies en el género Atagema:​ Atagema alba (O'Donoghue, 1927) Atagema anceps (Bergh, 1890) Atagema boucheti Valdes & Gosliner, 2001 Atagema browni (T. E.