. Bulletin of the Natural Histort Museum. Geology series. Fig. 1 Slipulina-hke species, ventral valve exterior, BD9673, x4. Figs 2,3 Two views of a non-rugose Thomasella-\ike species. 2, exfoli- ated dorsal valve interior and the flanged and geniculated trail, BD9677. 3, oblique view of a complete specimen viewed anterolater- ally showing the strongly ribbed trail, BD9676b, x3. Fig. 4 Two views of cf. Thomasella showing the posterior rugae, flanged trail and ventral spines, BD9673{0), x5. Fig. 5 A Plicatiferinid showing the exfoliated dorsal valve interior, BD9674, x4. Fig. 6 Pectenoproductus
. Bulletin of the Natural Histort Museum. Geology series. Fig. 1 Slipulina-hke species, ventral valve exterior, BD9673, x4. Figs 2,3 Two views of a non-rugose Thomasella-\ike species. 2, exfoli- ated dorsal valve interior and the flanged and geniculated trail, BD9677. 3, oblique view of a complete specimen viewed anterolater- ally showing the strongly ribbed trail, BD9676b, x3. Fig. 4 Two views of cf. Thomasella showing the posterior rugae, flanged trail and ventral spines, BD9673{0), x5. Fig. 5 A Plicatiferinid showing the exfoliated dorsal valve interior, BD9674, x4. Fig. 6 Pectenoproductus ventral valve exterior, BD9675, x2. Fig. 7 The incomplete leioproductine ventral valve, BD9688(1), x3. Fig. 8 Cf Planispina sp. viewed almost apically, BD9688(0), x | . Fig. 9 Plot from qualitative energy dispersive X-Ray microanalysis of non-coated fragments using scanning electron microscopy. The plot displays a major calcium peak (plus a secondary peak to its right), but no phosphorus and only minor amounts of elements with lower atomic weights, to the Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Natural History Museum (London). Andover : Intercept
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