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van de Paverd 1995

Plate 34
The 100 Ám scale bar applies to fig. 4;
the vertical 10 Ám scale bar applies to fig. 5;
the horizontal 10 Ám scale bar in fig. 7 applies to figs. 1-3, 6 and 7.

Figs. 1-4, 6, 7. Hexactonium pythagoraea. Note variations in spine length relative to each other. The specimen in fig. 2 lacks a medullary shell, others have a spherical lattice shell which may be delicate or sturdy. BSS 28B(VII/1367, 1383, 1380), 20B(F) EF N24, 28B(VII/1377 and1415).

Fig. 5. First and second medullary shell of an unidentified hexacontid. BSS 28B(III/75).