Description: English: The underside of the seashell Cassis tuberosa (Linnaeus, 1758)
[1]; from George W. Tryon, Jr.; Manual of Conchology, Structural and Systematic: With Illustrations of the Species (1885). Vol. VII; Cassidae - Plate 2; figure 51
[2]. Description on page 271
[3]. Português: A vista inferior da concha do molusco marinho Cassis tuberosa (Linnaeus, 1758)
[4]; retirada de George W. Tryon, Jr.; Manual of Conchology, Structural and Systematic: With Illustrations of the Species (1885). Vol. VII; Cassidae - Plate 2; figure 51
[5]. Descrição na página 271
[6]. Date: 11 December 2019. Source: Manual of Conchology, Structural and Systematic: With Illustrations of the Species (1885). Author: Tryon Jr., George Washington.