FIGURE 4. Calyptotheca tilbrooki n in Three new species of Calyptotheca (Bryozoa: Lanceoporidae) from the Great Barrier Reef, tropical Australia

FIGURE 4. Calyptotheca tilbrooki n. sp., holotype (MTQ G26785): A, general view; B, adventitious avicularium; C, ovicellate orifice; D, ovicellate zooids, showing pronounced orificial dimorphism; E, autozooidal orifice; F, general view with autozooids and vicarious avicularia; G, vicarious avicularium; note the small adventitious avicularium at bottom