Annals of the South African Museum |
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Page 49
Foregut long , terminating at intestinal ring sinus . Presiphonal region of intestine
with a ciliated groove . Intestine considerably dilated , extremely thin - walled and
transparent in region of siphon . Entire intestine compactly filled with small ...
Foregut long , terminating at intestinal ring sinus . Presiphonal region of intestine
with a ciliated groove . Intestine considerably dilated , extremely thin - walled and
transparent in region of siphon . Entire intestine compactly filled with small ...
Page 58
Gonostomal lips small , spirally coiled , opening into base of gonoduct . Blood
system . Ring sinus at end of foregut is an incomplete vascular ring ( Fig . 16B ) .
Paired neuro - intestinal vessels unite prior to opening into ventral pr s gon s -gon
А ...
Gonostomal lips small , spirally coiled , opening into base of gonoduct . Blood
system . Ring sinus at end of foregut is an incomplete vascular ring ( Fig . 16B ) .
Paired neuro - intestinal vessels unite prior to opening into ventral pr s gon s -gon
А ...
Page 65
Blood system . Intestinal ring sinus is an incomplete vascular ring at end of
foregut ( Fig . 19B ) . Paired neuro - intestinal vessels unite before opening into
ventral vessel . Dorsal vessel prominent , arising from ring sinus and entering
proboscis ...
Blood system . Intestinal ring sinus is an incomplete vascular ring at end of
foregut ( Fig . 19B ) . Paired neuro - intestinal vessels unite before opening into
ventral vessel . Dorsal vessel prominent , arising from ring sinus and entering
proboscis ...
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Contents
Introduction | 2 |
Acknowledgements | 23 |
National Research Institute for Oceanology Box 32 Stellenbosch South Africa 5 | 184 |
Copyright | |
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Common terms and phrases
abbreviations adult Agulhas Agulhas Current Alimentary canal Annals appear armed Atlantic authors bands Barnard base Basin body chamber Cape Town claw coast collected Collignon coxa Cruise Current depth described diameter differences Dingle distal distribution dorsal Durban East female figures forms genus given gonoducts Group holotype illustrations included indicated Kennedy known lateral legs length less lobe locality longer longitudinal Lower Macroconch male margin material muscle Note Ocean original ornament oviger pairs paratypes Placenticeras Placenticeras kaffrarium Etheridge Placenticeratidae Pleistocene posterior present proboscis processes range recorded references region rounded sediment segment separated setae shelf short showing similar slender slightly Smith smooth South African Museum southern species specimens spines stage stations suture Table teeth terminal third trunk tubercles umbilical Upper variation ventral West whorl zone Zululand
Bibliographic information
| Title | Annals of the South African Museum Annals of the South African Museum, South African Museum |
| Author | South African Museum |
| Publisher | South African Museum, 1987 |
| Original from | the University of Michigan |
| Digitized | 5 Oct 2006 |
| Export Citation | BiBTeX EndNote RefMan |