Fig. 15

Plumaster sp. nov. Drawings of adambulacral ossicles. a Abactinal view, ossicle from Savigna 2b (BMNH EE 13955). b Actinal view of ossicle from Lower Oxfordian of Rouges Terres, Switzerland (EE 13954; see also Fig. 14f). c Reconstruction and interpretation of abactinal face of ossicle, based partially on material from the Pliensbachian davoei Zone of Sedan, Ardennes, France (see Thuy et al., this volume). Scale bar in mm