Plate 2

1 – Axial section, megalospheric form of Alveolina ruetimeyeri (Slide No.: A0306–A1106–A1507–A2123; Sample No.: 3, 11, 15, 21); 2 – Alveolina aff. ruetimeyeri (Slide No.: A0305–A1907; Sample No.: 3, 19); 3 – Alveolina cf. ruetimeyeri (Slide No.: A2118; Sample No.: 21); 4 – Alveolina rugosa (Slide No.: A1112–A1813–A2111; Sample No.: 11, 18, 21); 5–13 – Alveolina sirelii sp. nov. (Slide No.: A1508–A1814–A2125; Sample No.: 15, 18, 21). Scale bar is 0.25 cm for all