Annals of the South African Museum: Annale Van Die Suid-Afrikaanse Museum, Volume 47South African Museum, 1963 - Natural history |
From inside the book
Results 1-3 of 100
Page 46
rupted regular curve between the adcentral margin of the plate and the margin in the lateral wall adjacent to the infero - marginal plates . The height of the plates as seen in the lateral view of the disk is greater than their length ...
rupted regular curve between the adcentral margin of the plate and the margin in the lateral wall adjacent to the infero - marginal plates . The height of the plates as seen in the lateral view of the disk is greater than their length ...
Page 222
... plates which extend far along the ray . The intermediate plates all bear small compact groups of spinelets ... marginal plates , ( 2. ) in the number and disposition of the actinal intermediate plates , ( 3. ) in the armature of the ...
... plates which extend far along the ray . The intermediate plates all bear small compact groups of spinelets ... marginal plates , ( 2. ) in the number and disposition of the actinal intermediate plates , ( 3. ) in the armature of the ...
Page 1002
... Marginal plates sometimes superficially hidden . Abactinal plates often with large conical tubercles ...... ... PENTACEROTIDE ddd . Abactinal skeleton tessellate ; the plates often irregular and only partially contingent , the whole ...
... Marginal plates sometimes superficially hidden . Abactinal plates often with large conical tubercles ...... ... PENTACEROTIDE ddd . Abactinal skeleton tessellate ; the plates often irregular and only partially contingent , the whole ...
Other editions - View all
Common terms and phrases
1st whorl 27 fathoms 2nd whorl 3rd whorl 40 fathoms 4th whorl 80 metres agulhasensis alfredensis Algoa Bay aperture apical Braga Cape Morgan Cape Natal Cape Point capensis central plate columella cusp dead Delagoa Bay diam dorsal Durban East London False Bay figure Fossil Gmelin granules grooves growth-lines Inhambane intermediaries Jaeckel juvenile Krauss Krss Lamy last whorl lateral plate left valve length Linn lirae living Macnae & Kalk marginal plates Martens Mossel Bay Muir n.sp natalensis nodules oblique operculum outer lip P.F. coll periostracum peripheral Pieter Faure Pleistocene pliculae Port Alfred Port Alfred Bartsch Port Elizabeth Port Elizabeth Sowerby posterior Postnatal whorls Protoconch radial Radula Remarks riblets right valve River Natal Saldanha Bay Schilder sculpture shell slightly Smith smooth South African Museum Sowerby Sowerby's species specimens spiral lirae striae suture Table Bay Thiele Tomlin Tugela River Turton umbilicus umbo worn Zululand