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
... regions . Presiphonal region marked by presence of ciliated groove , which in holotype is about 36 mm long . Intestine considerably dilated and extremely thin - walled in region of siphon , whereas in postsiphonal region it is narrow ...
... regions . Presiphonal region marked by presence of ciliated groove , which in holotype is about 36 mm long . Intestine considerably dilated and extremely thin - walled in region of siphon , whereas in postsiphonal region it is narrow ...
Page 45
... region of rectal caecum . Remarks The present specimens of O. baronii represent new records for the southern African region , extending the range of distribution southwards from the Zanzibar coast . According to Greeff ( 1879 ) , the ...
... region of rectal caecum . Remarks The present specimens of O. baronii represent new records for the southern African region , extending the range of distribution southwards from the Zanzibar coast . According to Greeff ( 1879 ) , the ...
Page 63
... region of intestine 6 mm in length , marked by presence of a ciliated groove . Ciliated groove commences soon after ring sinus and leads into intestinal siphon . Siphonal region of intestine considerably dilated and extremely thin ...
... region of intestine 6 mm in length , marked by presence of a ciliated groove . Ciliated groove commences soon after ring sinus and leads into intestinal siphon . Siphonal region of intestine considerably dilated and extremely thin ...
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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