Figure 9 in Systematics of the Miocene-Recent bryozoan genus Pentapora (Cheilostomata)

Figure 9. Pentapora lacryma sp. nov., scanning electron micrographs of uncoated specimens from the Pliocene Coralline Crag Formation of Suffolk, England, imaged using back-scattered electrons. A, ovicellate autozooids and giant avicularia partly obscured by diagenetic cement, Aldeburgh Member, Aldeburgh Hall, NHM BZ 5677. B, C, E, F, Aldeburgh Member, Crag Pit Nursery, Aldeburgh, NHM BZ 5648. B, autozooids from encrusting base. C, growing edge of encrusting base showing ovicellate zooids and a few giant avicularia. E, ovicellate zooids with closure plates and a giant avicularium (left). F, ovicell (pores obscured by diagenetic cement) and giant avicularium. D, holotype with ovicellate zooids showing evenly porous ooecia, Broom Hill, NHM D50716. Scale bars: A = 55 Mm; B = 240 Mm; C = 520 Mm; D = 230 Mm; E = 150 Mm; F = 130 Mm.