Figure 11. (a) Fissure 13 looking towards the SW. The top ‘entrance’ to the fissure is indicated ‘o’. The fissure widens from this opening. At the extreme left is a keyhole-shaped pocket ‘KSP’ and at the centre are horizontal solution grooves with cusps (marked ‘b’). At the lower right is the main fossiliferous deposit ‘d’ that formed part of a cavernous structure. The whole structure is interpreted as a flank margin cave. (b) The main group of solution cusps. (c) Rock specimen from fissure 13 that shows cavity filled with ‘caymanite’; note the characteristic layering; x 0.85, scale bar 2 cm. (d) Main fossiliferous deposit with Richard Bennett collecting in situ reptile bones. Pholidophorus scales and bones were found in the same horizon. The bones collected at this position were very corroded in a halo of green sediment within the calcareous yellow limonite clay sandstone. Note thin layers of hard sandy limestone above his head. To the right of the deposit, the lower limestone bands thicken and sag ‘S’ downwards. (e) Main fossiliferous deposit, looking SE with DIW (1.70 m tall) indicating the site of palynomorph-bearing limestone (FP13.1). Note the harder, thin sandy-limestone bands ‘SL’ just above the centre of the picture.