Tobolia veronikae Dain, 1958
16-19: Upper Cretaceous (Maastrichtian), Siberia, Russia. Opposite sides, base, and edge view, x 72 (from Dain, in N. K. Bykova et al., 1958).
Copyright: Dain, 1958 / Loeblich, A. R., Tappan, H. N., 1987 / Le Coze, François