FIGURE 13 in Resolving the status of Pyriporoides and Daisyella (Bryozoa: Cheilostomata), with the systematics of some additional taxa of Calloporoidea having an ooecial heterozooid

FIGURE 13. Bryobrownius willetti (Brown, 1952) n. gen., holotype D36574, NHMUK: A, ovicellate zooid and two interzooidal avicularia; note the ooecial kenozooid with a large circular area immediately distal of the ooecium; B, an autozooid with ten visible spine bases; C, ovicellate zooid and autozooids, the one at upper right with a reasonably well-preserved proximal opesial rim; D, ancestrula (lower left) and daughter zooids. Scalebars: A, C, D, 200 µm; B, 100 µm.