FIGURE 9. Polymastia invaginata Kirkpatrick, 1907. A in Deep Water Polymastiidae (Porifera, Polymastiida) from the South West Pacific

FIGURE 9. Polymastia invaginata Kirkpatrick, 1907. A. QM G315026 underwater. B. QM G311143 underwater. C. QM G315026 fixed. D. Cross section of QM G315026. E. QM G335958 fixed. F. QM G311143 fixed. G. Cross section of QM G311143. H. Composite section of QM G315026. I. section of QM G315026 showing the cortical palisade of tylostyles supported by the choanosomal tracts of styles. J. Stellate formations of tylostyles in the choanosome between the tracts of styles. K. Choanosomal styles. L. Tylostyles.