Annals of the South African Museum: Annale Van Die Suid-Afrikaanse Museum, Volume 108 |
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Page 32
When abundant , the disc - shaped spicules , which have a smooth thin edge and
a maximum diameter of 250 um , encapsulate the zooids . Smaller discs are
crowded throughout the semi - opaque or transparent tunic . The spicule density
...
When abundant , the disc - shaped spicules , which have a smooth thin edge and
a maximum diameter of 250 um , encapsulate the zooids . Smaller discs are
crowded throughout the semi - opaque or transparent tunic . The spicule density
...
Page 45
Didemnum globiferum sp . nov . has spicules quite different from Didemnum
candidum Savigny , 1816 , as redescribed by Lafargue ( 1974 ) or Didemnum
stilense Michaelsen , 1934 . Didemnum granulatum Tokioka , 1954 Didemnum ...
Didemnum globiferum sp . nov . has spicules quite different from Didemnum
candidum Savigny , 1816 , as redescribed by Lafargue ( 1974 ) or Didemnum
stilense Michaelsen , 1934 . Didemnum granulatum Tokioka , 1954 Didemnum ...
Page 55
The spicules ( Fig . 29E ) are about 30 um in diameter ; they consist of needles
gathered in numerous rays to form balls . Their size varies according to their
density within the colonies . They are very small and located within the lateral
thoracic ...
The spicules ( Fig . 29E ) are about 30 um in diameter ; they consist of needles
gathered in numerous rays to form balls . Their size varies according to their
density within the colonies . They are very small and located within the lateral
thoracic ...
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Contents
Introduction | 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 apical apical margin ascidians bands basal base basitarsus body body wall branchial sac Cape Province cloacal coll collected colonies colour common covered dense described Description developed DIEGO disc distal distribution dorsal Durban extending farm Female folds foreleg forms front genus gonads gut loop hairs half Hartmeyer Head hind Holotype labrum larvae lateral legs length light brown lobes locality longitudinal Male material median Mesosoma Metasoma Michaelsen middle Millar Monniot Museum narrow nectar plants Nieuwoudtville numerous opens oral ovary papillae placenta plants posterior protruding pubescence punctures recorded Rediviva Remarks rows Scrophulariaceae scutum Sept shiny short side siphons slightly Sluiter South Africa species specimens spicules stigmata stomach straw-coloured structure surface tentacles testis thick thin thorax tibia tunic ventral vesicles vessels Western wide zooids