. mm Text-fig. 32. ? Botryllus separatus Sluiter (St. 934): Zooid. Zoom (Text-fig. 32). The zooids attain a maximum length of 3 mm. and are golden-brown in colour in the preserved state. The oral opening () is sessile and without lobes, and the atrial opening () is large, exposing part of the dorsal surface of the branchial sac.

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Keywords: ., bookcentury1900, booksubjectocean, booksubjectscientificexpediti