Annals of the South African MuseumAnnale van die Suid-Afrikaanse Museum . e mostly stout with thestalk usually comprising half or less of the total colony length; the species isapparently restricted to the Cape south coast from Danger Point to the easternCape. Pieterfaurea unilobata, on the other hand, does not possess sclerites in theanthocodiae; the maximum length of coenenchymal sclerites is 2,6 mm; scleritesof the surface of the colony are very dense giving the colonies a relatively stiffand rough appearance; and the bases of expanded polyps have sclerites that aredensely arranged in a pal
Annals of the South African MuseumAnnale van die Suid-Afrikaanse Museum . e mostly stout with thestalk usually comprising half or less of the total colony length; the species isapparently restricted to the Cape south coast from Danger Point to the easternCape. Pieterfaurea unilobata, on the other hand, does not possess sclerites in theanthocodiae; the maximum length of coenenchymal sclerites is 2,6 mm; scleritesof the surface of the colony are very dense giving the colonies a relatively stiffand rough appearance; and the bases of expanded polyps have sclerites that aredensely arranged in a palisade-like fashion; the maximum size of colonies is50 mm long by 10 mm wide; the colonies are mostly narrow with the stalkusually comprising one-half or more of the total colony length; the species isapparently restricted to the South African east coast from East London tocentral Natal. The placement of the genus Pieterfaurea in the Nidaliidae is here considerednominal as it also shares characteristics with the family Alcyoniidae. The SOFT CORALS OF SOUTHERN AFRICA 327. Fig. 37. Scanning electron micrographs. A-D. Pieterfaurea khoisaniana (Williams. 1988).A-B. Sclerites from the surface of the polyparium. A. 0,85 mm. B. Detail of surfacetuberculation from a polyparium sclerite, total length of micrograph represents 0,24 Sclerites from the surface of the stalk. C. 0,28 mm. D. 1,0 mm. E-G. Pieterfaureaunilobata (Thomson, 1921), sclerites from the surface of a colony. E. 1,0 mm. F. 0,70 mm. G. 0,24 mm. 328 ANNALS OF THE SOUTH AFRICAN MUSEUM palisade-like arrangement of sclerites at the base of the polyps do not representtrue calyces (Verseveldt & Bayer 1988: 47, 66). Alcyonium complanatumVerseveldt, 1977, and A. planiceps Williams, 1986a, also do not possess calycesbut do have large multi-tuberculate spindles that are longitudinally placed in theouter surface giving the colony a rough appearance, a feature used to define theNidaliidae (Verseveldt & Bayer 1988: 47). Even th
Size: 1503px × 1661px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorsouthafr, bookcentury1800, bookdecade1890, bookyear1898
