Annals of the South African MuseumThe Museum, 1987 - Natural history |
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Page 36
... ring sinus is an incomplete vascular ring located at end of foregut ( Fig . 4B ) . Neuro - intestinal vessel elongate , double for most of its length . Dorsal vessel , after arising from ring sinus , continues anteriorly , dorsal to ...
... ring sinus is an incomplete vascular ring located at end of foregut ( Fig . 4B ) . Neuro - intestinal vessel elongate , double for most of its length . Dorsal vessel , after arising from ring sinus , continues anteriorly , dorsal to ...
Page 65
South African Museum. 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 ...
South African Museum. 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 ...
Page 69
... ring sinus . A ventral sheet of mesentery fastens oesophagus to body wall . Intestine shows usual divisions into presiphonal , siphonal and postsiphonal regions . Presiphonal region of intestine with a ciliated groove commencing soon ...
... ring sinus . A ventral sheet of mesentery fastens oesophagus to body wall . Intestine shows usual divisions into presiphonal , siphonal and postsiphonal regions . Presiphonal region of intestine with a ciliated groove commencing soon ...
Contents
SOUTHERN AFRICA SOUTHEAST ATLANTIC AND SOUTHWEST | 2 |
Synopsis | 17 |
Acknowledgements | 23 |
Copyright | |
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Common terms and phrases
AABW abbreviations Afrochiltonia Agulhas Albian ammonites anal vesicles Annals Atlantic author's name Barnard Basin bicuspidata body chamber bolini bottom depth Campanian Cape Town Cenomanian chelae chelifores Chiplonkar & Ghare claw coast Collignon Coniacian continental coxa Cretaceous Cruise diameter dimorphism Dingle distal distribution dorsal fauna female femur genera genus Geryon gonoducts Gymnoscopelus holotype Hoplitoplacenticeras Hulley Hyatt Hypengonoceras Iljin Kennedy Klinger Labeceras lateral processes legs lobe longitudinal muscle bands Macroconch male margin material Meiring Naude myctophid Myloceras Nymphon Ocean Ochetostoma ocular tubercle ornament oviger pairs palp panopsus papillae paratypes phragmocone Placenticeras kaffrarium Etheridge Placenticeratidae Poseidonamicus posterior proboscis Proplacenticeras propodus pycnogonid references region Santonian sediment segment separated setae Shannon shelf slender slightly South African Museum southern Africa Spath species specimens Strigilis SUID-AFRIKAANSE MUSEUM suture line Synonymy teeth tibia Transkei trunk length tubercles Turonian umbilical tubercles Upper venter whorl section Zululand