Annals of the South African Museum, Volumes 43-44The Museum, 1957 - Natural history |
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Page 237
... ribs on each side . Ribs usually fused in basal part ( except for first rib which is free ) , and bearing nematothecae along one edge , free in distal part and bearing nematothecae along both edges . Old empty corbulae often with ribs ...
... ribs on each side . Ribs usually fused in basal part ( except for first rib which is free ) , and bearing nematothecae along one edge , free in distal part and bearing nematothecae along both edges . Old empty corbulae often with ribs ...
Page 100
... ribs 11-12 on early whorls , 12-13 on later whorls , starting from suture above and on body whorl extending halfway across base ; shoulder slightly below middle of whorl ; suture not , or only very slightly embracing lower ends of ribs ...
... ribs 11-12 on early whorls , 12-13 on later whorls , starting from suture above and on body whorl extending halfway across base ; shoulder slightly below middle of whorl ; suture not , or only very slightly embracing lower ends of ribs ...
Page 129
... ribs narrower than intervals , 10 on 1st whorl , 9 on each of the others , on 1st whorl the first 4 or 5 are closer together than the following ribs , crossing sulcus , petering out below periphery on base ; spiral lirae obscure on ...
... ribs narrower than intervals , 10 on 1st whorl , 9 on each of the others , on 1st whorl the first 4 or 5 are closer together than the following ribs , crossing sulcus , petering out below periphery on base ; spiral lirae obscure on ...
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Common terms and phrases
1st whorl 4th joint Abdomen adnate apex apical axial ribs Barnard Bartsch basal base behaart beschuppt Billard Brnrd Burmeister 1844 capensis colony cynodonts Delagoa Bay Description dicht dorsal Drillia Durban East London edge 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 lirae margin maximum diameter median Moschops narrow Natal nematotheca node oblique Operculum outer P.F. Coll pair 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 tritylodontids tubercles Turton uropods ventral width Zool