PLATE 4 

 Palaeoglossu myttonensis sp. nov. (p. 33) 



Mytton Flags, Whitegrit School, Shropshire. 



Figs. 2, 1. Paratype, BB 37122a, b. External and internal moulds of disarticulated valves, 

 X4-9, X5-8. 



Fig. 4. Holotype, BB 371 19. Internal mould of a pedicle valve and an external mould of 

 the complementary brachial valve, x 4-9. 



Mytton Flags, near Blakemoorflat, Shropshire. 

 Fig. 3. Paratype, BB 37123. Internal mould of a brachial valve, x 5-2. 



Mytton Flags, New Perkin's Level, Shropshire. 

 Fig. 5. Paratype, BB 37121a. Internal mould of a brachial valve, x 6. 



Pseudolingula spatula sp. nov. (p. 36) 



Weston Beds, near Lyde, Shropshire. 

 Fig. 6. Paratype, BB 37126. Internal mould of a pedicle valve, x 2-9. 



Figs. 7, 10. Paratype, BB 37128a, b. Latex cast of the exterior and the internal mould of a 

 brachial valve, x 3, X 3-2. 



Fig. 9. Paratype, BB 37125a. Internal mould of a brachial valve, X3. 



Weston Beds, Cwm Dingle, Shropshire. 

 Fig. 8. Holotype, BB 37124a. Internal mould of a brachial valve, x 3. 



Rorrington Beds, Deadman's Dingle, Shropshire. 

 Fig. 11. BB 37130a. Internal mould of a pedicle valve, X5"5. 



Meadowtown Beds, Minicop Farm, Shropshire. 

 Figs. 12, 13. BB 37129. Fragments of the external lateral area and the interior of a pedicle 

 valve, x 6, x 6-4. 



Mytton Flags, River Camlad, Shropshire. 

 Fig. 14. BB 35583. Exfoliated pedicle valve, x 3. 



