Annals of the South African MuseumThe Museum, 1987 - Natural history |
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Page 264
... genus Parengonoceras Spath , 1924 ( of Engonocera- tidae ) , the sutures are finely incised , and morphological transitions to the genus Hypengonoceras ( of Placenticeratidae as interpreted by Kennedy & Wright ( 1983 ) ) occur , as ...
... genus Parengonoceras Spath , 1924 ( of Engonocera- tidae ) , the sutures are finely incised , and morphological transitions to the genus Hypengonoceras ( of Placenticeratidae as interpreted by Kennedy & Wright ( 1983 ) ) occur , as ...
Page 406
... genus Diplacmoceras it differs in not having pinched ear - like ventral clavi and ventrolateral tubercles . The genus Hoplitoplacenticeras differs from the present genus in having typically trapezoidal cross - section and by outward ...
... genus Diplacmoceras it differs in not having pinched ear - like ventral clavi and ventrolateral tubercles . The genus Hoplitoplacenticeras differs from the present genus in having typically trapezoidal cross - section and by outward ...
Page 438
... genus ( now known from Eocene to Recent ) . Despite the fact that Whatley et al . ( 1986 ) described one species with distinct but non - functional ocular structures ( P. ocularis Whatley et al . 1986 ) , all records of the genus to ...
... genus ( now known from Eocene to Recent ) . Despite the fact that Whatley et al . ( 1986 ) described one species with distinct but non - functional ocular structures ( P. ocularis Whatley et al . 1986 ) , all records of the genus to ...
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