Annals of the South African Museum: Annale Van Die Suid-Afrikaanse Museum, Volume 108South African Museum, 2001 - Natural history |
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Page 10
... cloacal aperture is the opening of a true common cloacal cavity or only a depression into which separate cloacal siphons open , as in some Ritterella species . Parastigmatic vessels are more common in the genus Ritterella than in ...
... cloacal aperture is the opening of a true common cloacal cavity or only a depression into which separate cloacal siphons open , as in some Ritterella species . Parastigmatic vessels are more common in the genus Ritterella than in ...
Page 16
... cloacal apertures . In formalin their colour is orange . The oral siphon is short with six lobes ( Fig . 11B , C ) . The cloacal siphon forms a long tube ( Fig . 11B , C ) and the dorsal margin can be elongated into a short , wide ...
... cloacal apertures . In formalin their colour is orange . The oral siphon is short with six lobes ( Fig . 11B , C ) . The cloacal siphon forms a long tube ( Fig . 11B , C ) and the dorsal margin can be elongated into a short , wide ...
Page 36
... cloacal channels . The common cloacal apertures form an oval line internal to the edge of the flat upper surface of each lobe . The colour in life is red and the tunic is translucent . No foreign matter adheres to the tunic . The zooids ...
... cloacal channels . The common cloacal apertures form an oval line internal to the edge of the flat upper surface of each lobe . The colour in life is red and the tunic is translucent . No foreign matter adheres to the tunic . The zooids ...
Contents
233208 | 2 |
Other ascidians recorded in South Africa but not present in this collection | 127 |
Acknowledgements | 134 |
Copyright | |
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Common terms and phrases
abdomen adhesive papillae Alonsoa ampullae apical hair bands apical margin Aplidium ascidians basal basitarsus black hairs body wall Botryllus branched hairs branchial sac Clanwilliam cloacal aperture cloacal siphon clypeus collected colony surface dark brown Description Diascia Didemnum DIEGO disc Dorsal and ventral dorsal lamina dorsal tubercle False Bay farm Female fimbriae folds foreleg forewing genus gonads gut loop Hartmeyer hind tibia Holotype intertidal Kott KwaZulu-Natal labrum languet larvae lateral lobes length light brown locality malar space Male material median Melittidae Mesosoma Metasoma Michaelsen Millar Monniot coll Moraea nectar Nieuwoudtville oil-collecting hairs ºº oral siphon oral tentacles ovary pale straw-coloured papillae Piketberg posterior prementum propodeum protruding pubescence Rediviva Remarks and distribution rows of stigmata scutum Sept short Sluiter Sodwana Bay South Africa species specimens spicules Steiner stigmata stomach surface between punctures testis thorax tibia tunic ventral view vesicles Vestiture Whitehead zooids