Annals of the South African Museum, Volumes 43-44The Museum, 1957 - Natural history |
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Page 223
... nodes , which , however , are usually very faint or even invisible . Short athecate internodes interpolated at irregular intervals ( after 1-4 thecate internodes ) , each bounded proximally by a transverse node and distally by an oblique ...
... nodes , which , however , are usually very faint or even invisible . Short athecate internodes interpolated at irregular intervals ( after 1-4 thecate internodes ) , each bounded proximally by a transverse node and distally by an oblique ...
Page 224
... node . First ( and occasionally second ) inter- node short , athecate , terminated by hinge - joint . Remainder divided by oblique nodes into regular internodes , each bearing a pair of hydrothecae . Occasionally an extra transverse node ...
... node . First ( and occasionally second ) inter- node short , athecate , terminated by hinge - joint . Remainder divided by oblique nodes into regular internodes , each bearing a pair of hydrothecae . Occasionally an extra transverse node ...
Page 209
... node , and the second terminated by an oblique node more sharply demarcated than the following ones . Stem decreasing in diameter towards tip , with very thick perisarc on anterior surface . The two rows of hydrocladia not in the same ...
... node , and the second terminated by an oblique node more sharply demarcated than the following ones . Stem decreasing in diameter towards tip , with very thick perisarc on anterior surface . The two rows of hydrocladia not in the same ...
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Common terms and phrases
1st whorl 4th joint adnate apex apical axial ribs Barnard Bartsch basal base behaart beschuppt Billard Brnrd Cape Town capensis colony cynodonts Delagoa Bay Description dicht dorsal Drillia Durban East London edge excl False Bay fathoms Flügeldecken genus gnathopod gonophores Gonotheca Halsschild Holotype hydranth hydrocladia hydrorhiza hydrothecae Inhambane inner internode Keratocephalus Kosi Bay lancelet Länge lateral length adcauline Lip sinus margin maximum diameter median Moschops narrow Natal nematotheca node oblique Operculum outer P.F. Coll pair Palaeontology parietal pedicel peraeon segments peraeopod Péringuey perisarc pleon pleopod Port Alfred postcanine posterior Postnatal whorls Proc Protoconch Pygidialteil Pygidium quadrate radula ramus Records Remarks Scalenodon Schildchen Schuppen schwarz Sertularella skull slightly smooth South African Museum Sowerby species specimens spines spiral lirae Stechow stem sulcus surface suture Tapinocephalus teeth telson thickened Thiele tooth Transvaal transverse tubercles Turton uropods ventral width Zool Zoology