FIGURE 14 in Resolving the status of Pyriporoides and Daisyella (Bryozoa: Cheilostomata), with the systematics of some additional taxa of Calloporoidea having an ooecial heterozooid

FIGURE 14. Apiophragma hyalina (Waters, 1904), NIWA 23005: A, Opesiulate autozooid, with arrows indicating tiny gymnocystal spines; B, close-up of opesia; C, ovicellate zooid with operculum in place (white arrow indicates foramen of narrow exposure of ooecial kenozooid, small black arrows indicate gymnocystal spines); D, close-up of opesia of ovicellate zooid and foraminal slit in proximofrontal fissure. Scalebars: A, C, 200 µm; B, 100 µm; D, 100 µm.