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van de Paverd 1995


Plate 49
The horizontal 10 Ám scale bar at the left applies to figs. la and lb;
the one at the top right applies to fig. 2. The vertical 100 Ám scale
bar applies to fig. 3, and fig. 1c has its own scale bar.

Figs. 1-3. Rhopalastrum elegans. All from 28B(II).

Fig. la,b. Detail of brachial and patagial structures. Fig. 1b illustrates how the first, delicate layer of the patagium is supported by short radial processes (also visible in pl. 51 figs. 4, 5); fig. 2 shows two series of patagial arches, which support two layers (see pl. 44 fig. 5 for overview of complete specimen).

Fig. 3. Fully developed specimen, broken to reveal long radial processes within the patagium (which presumably aid in maintaining structural integrity).