. 5mm Fig. 28. A. Cornucopina polymorpha (Kluge). St. 175, South Shetland Islands. Ancestrula and first zooecium. B. C. infundibulata (Busk). Avicularium from Challenger St. 147, off Crozet Islands, C. C. pectogemma (Goldstein). St. TN 194, off Oates Land. Basal bulb of ancestrula. D. C. polymorpha (Kluge). St. 181, Palmer Archipelago. Stalked basal avicularium with outline of zooecium to which it is attached. a. ancestrula, basal bulb, forked rootlet originating from the basal bulb, 1-2, first two zooecia.

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