Figure 2 in Redescription of Unio tumidiformis Castro, 1885 (Bivalvia, Unionidae), an endemism from the south-western Iberian Peninsula

Figure 2. Unio tumidiformis shell. (A, B) Type specimen from the river Sado; (C) dorsal view of the shell with the umbo sculpture clearly visible; (D) detail of the umbo sculpture and pseudo-cardinal teeth of the left valve; (E) detail of the pseudo-cardinal tooth of the right valve.