Annals of the South African Museum: Annale Van Die Suid-Afrikaanse MuseumWest, Newman & Company for the trustees of the Museum, 1988 - Natural history |
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Page 36
... extremely thin - walled in region of siphon , whereas in postsiphonal region it is narrow with fairly thick walls . Last part of intestine of uniform diameter , leading into more or less straight rectum . Small , spherical rectal caecum ...
... extremely thin - walled in region of siphon , whereas in postsiphonal region it is narrow with fairly thick walls . Last part of intestine of uniform diameter , leading into more or less straight rectum . Small , spherical rectal caecum ...
Page 42
... extremely small , ending at intestinal ring vessel . Gizzard and crop not distinguishable as no distinct boundaries present externally . Fine mesenteric strands fasten alimentary canal to body wall at several points . Numerous ...
... extremely small , ending at intestinal ring vessel . Gizzard and crop not distinguishable as no distinct boundaries present externally . Fine mesenteric strands fasten alimentary canal to body wall at several points . Numerous ...
Page 53
... extremely brief and , according to Stephen & Edmonds ( 1972 ) , the taxonomic position of this species is still uncertain . Nothing is known about the size of the specimen , the structure of the proboscis , the disposition of the ...
... extremely brief and , according to Stephen & Edmonds ( 1972 ) , the taxonomic position of this species is still uncertain . Nothing is known about the size of the specimen , the structure of the proboscis , the disposition of the ...
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Common terms and phrases
Alimentary canal anal vesicles anatomy Alimentary canal anteriorly arkati Blood system body wall ciliated funnels colour Datta Gupta decameron dermal papillae distribution Dorsal vessel Echiura elongate end of trunk erythrogrammon External features Proboscis Foregut functional seta genus gonostomal lips Greeff holotype indosinense Inhaca inner oblique muscles integument Internal anatomy Alimentary intestinal ring sinus Isipingo Beach Lampert lateral margins length of trunk living specimens longitudinal bands longitudinal muscle bands longitudinal muscle layer mesenteric strands muscles between longitudinal Natal coast neuro-intestinal vessel non-deciduous number of longitudinal Ochetostoma Ochetostoma decameron Ochetostoma formosulum Ochetostoma kempi Ochetostoma palense oesophagus pairs of gonoducts Paratype Park Rynie posteriorly postsetal gonoduct Prashad preserved specimen proboscis region of intestine rounded papillae Rüppell siphon South African Museum southern Africa specimen from Isipingo specimen from Park spirally coiled Stephen & Edmonds Synonymy Thalassema thin and transparent thin-walled trunk cavity trunk length tubes vascular ring ventral setae Ventral vessel