Plate 9
The 100 µm scale bar applies to figs. 2, 3, 5-7, 9-11, the 10 µm bar is for figs. 1, 4 and 8.
Figs. 1a,b. Siphonosphaera murryana. Note scale difference (the specimen in fig. 1 is larger than that of fig. 2). BSS 28B(VIII/1288).
Figs. 2, 5-7. Siphonosphaera tubulosa. Figs. 5, 6: forma patinaria; fig. 7: forma cyathina. BSS 32B(F) EF W36; BSS 28B(VIII/720, 1137 and 1081).
Fig. 3. Merosiphonia monodon. BSS 28B(VIII/1136).
Fig. 4. Collosphaerid gen et sp. indet. Wall structure is like that of M. socialis forma compacta (Pl. 10 fig. 3). BSS 28B(VIII/1065).
Figs. 8-10. Merosiphonia socialis forma hippotis. BSS 28B (VIII/783, 999, 805). |
