Annals of the South African MuseumThe Museum, 1987 - Natural history |
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Page 251
... body chamber - either attenuation of the strong ornament found on the phragmocone , or appearance of strong ornament on the body chamber following weak ornament on the phragmocone . The former commonly characterizes macroconchs , the ...
... body chamber - either attenuation of the strong ornament found on the phragmocone , or appearance of strong ornament on the body chamber following weak ornament on the phragmocone . The former commonly characterizes macroconchs , the ...
Page 253
... body chamber , changes in the whorl section , and modifications of ornament are much better indicators of maturity . Scaphitoid uncoiling of the body chamber can be very obvious ( e.g. Hyatt 1903 , pl . 32 ) , so much so that Chiplonkar ...
... body chamber , changes in the whorl section , and modifications of ornament are much better indicators of maturity . Scaphitoid uncoiling of the body chamber can be very obvious ( e.g. Hyatt 1903 , pl . 32 ) , so much so that Chiplonkar ...
Page 292
... body chamber . Dimorphism in the Zululand placenticeratids is restricted mainly to differ- ences in size . In microconchs , which are more abundant in the present collection , the last septum is formed at diameters between 110 and 120 ...
... body chamber . Dimorphism in the Zululand placenticeratids is restricted mainly to differ- ences in size . In microconchs , which are more abundant in the present collection , the last septum is formed at diameters between 110 and 120 ...
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