Spirorbinae (Serpulidae: Polychaeta) from South Africa,including three new species |
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Authors: | P. Knight-Jones E. W. Knight-Jones |
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Affiliation: | (1) Department of Zoology, University College of Swansea, Swansea, S. Wales, UK |
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Abstract: | Five Antarctic or south-temperate species of Spirorbiaae are centred in south-west Africa, whilst 6 tropical species extend round the south-east and another 4 are recorded from Mozambique. Of the three new species, Pileolaria (Pileolaria) annectans sp. n. has a rudimentary opercular plate surmounting a sort-walled sac of embryos, which somewhat resembles a thoracic brood pouch. Pileolaria (Pileolaria) dayi sp. n. has a helmet-like brood chamber, but this opens distally, like the brood cups found in the subgenus Duplicaria. Janua Pil-natalensis sp. n. has the dorsal collar folds usually separate, but partially fused in some juveniles. |
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