Plate 15
Figures:
1 Dictyocoryne cf. truncatum (Ehrenberg); VS-R-56a, 1-3cm, P20/2, 300x.
2 Spongaster tetras Ehrenberg; VS-R-34a, 3-5cm, 017/3, 300x.
3-10 Tetrapyle octacantha Müller; 3, frontal view VS-R-71a, 1-3cm, X20/0, 300x; 4, frontal view, VS-R-71a, 1-3cm, E33/0, 300x; 5, frontal view, VS-R-81a, 1-3cm, E28/1, 300x; 6, frontal view, VS-R-71a, 1-3cm, H11/0, 300x; 7, polar view, VS-R-71a, 1-3cm, Y19/1, 325x; 8, frontal view, eight diagonal spines, VS-R-71a, 1-3cm, D4/2, 300x; 9, frontal view, eight diagonal spines and two polar beams, VS-R-81a, 1-3cm, W49/0, 300x; 10, lateral view, VS-R-81a, 1-3cm, E22/2, 300x. |