Annals of the South African Museum, Volume 46The Museum, 1963 - Natural history |
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Page 131
... atrial siphon , and there are only 10 to 12 folds on the stomach , whereas A. galeritum has a short atrial siphon and 14 to 18 folds . Larva From 3 to 6 larvae are present in the atrial cavity of breeding zooids . The trunk is about 0.4 ...
... atrial siphon , and there are only 10 to 12 folds on the stomach , whereas A. galeritum has a short atrial siphon and 14 to 18 folds . Larva From 3 to 6 larvae are present in the atrial cavity of breeding zooids . The trunk is about 0.4 ...
Page 133
... atrial siphon tubular with an oblique opening . No well developed languet is generally present but the dorsal margin of the atrial opening is produced to form a rounded lip of variable length . Numerous slender longitudinal muscles pass ...
... atrial siphon tubular with an oblique opening . No well developed languet is generally present but the dorsal margin of the atrial opening is produced to form a rounded lip of variable length . Numerous slender longitudinal muscles pass ...
Page 165
... atrial opening , short atrial languet , slender retractor process , testis of 8 to 10 follicles , and sperm duct of 2 to 3 coils . Larva with trunk about 1.3 mm . long , having a collar of about 30 narrow ampullae surrounding the 3 ...
... atrial opening , short atrial languet , slender retractor process , testis of 8 to 10 follicles , and sperm duct of 2 to 3 coils . Larva with trunk about 1.3 mm . long , having a collar of about 30 narrow ampullae surrounding the 3 ...
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Common terms and phrases
abdomen alveolus apical arranged atrial Barnard basal base black type arabic Brnrd canine Cape Province Cape Town cingular cusp coast collection colony crown cynodonts dead dentary dentition described Description developed Diademodon diameter distal dorsal view Ecnomus Ericiolacerta erupted False Bay fathoms female genus gonad gonothecae Hartmeyer holotype hydrocladia hydrotheca incisors inner internode Jonkeria labial larvae legs length lingual lobes longitudinal male mandible margin material maxilla median Michaelsen Millard Name of author Natal nematothecae numerals without prefix pair Palaeontology palp paper papillae Papio Parapapio plate Polychaeta postcanine row postcanines posterior present protoconch replacing tooth SAMH sclerite segment setae side siphons slender slightly Sluiter South African Museum species spines stem surface synonymy Tapinocephalia teeth tergite thorax Thrinaxodon tooth replacement Transvaal transverse Trichoptera type arabic numerals type specimen ventral volume number wellsi whorls yellowish zooids Zool Zoology Zoology and Palaeontology Zoology excl