FIGURE 10 in Deep Water Polymastiidae (Porifera, Polymastiida) from the South West Pacific

FIGURE 10. Polymastia norfanzii sp. nov. A. Plan view of the halved sponge QM G339367 showing the hispid surface, with the single papilla in the upper centre, indicated by the arrow. B. Side view of the same sponge illustrating the aquiferous canals and papilla (indicated by the arrow) as well as the obvious ectosomal palisade. C. SEM of the same sponge illustrating the longitudinal tracts of the diverging bouquets of tylostyles and the protective tylostyles on the outside of the papilla. D. Section illustrating the tracts of choanosomal tylostyles. E. SEM of the ectosome showing the small tylostyles amongst the much larger choanosomal tylostyles. F. Choanosomal tylostyles. G. Magnified ends of the tylostyles in F. H. Small tylostyles. I. Terminating ends of the aquiferous channels.