Annals of the South African Museum, Volumes 43-44The Museum, 1957 - Natural history |
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Page 196
... smooth narrowed neck . Margin inturned , smooth and slightly thickened , with a convex operculum . Con- taining numerous eggs or planulae larvae attached to a central blastostyle . The holotype has only female gonothecae , but one of ...
... smooth narrowed neck . Margin inturned , smooth and slightly thickened , with a convex operculum . Con- taining numerous eggs or planulae larvae attached to a central blastostyle . The holotype has only female gonothecae , but one of ...
Page 133
... smooth , lower part with 6-7 lirae ; sulcus slightly concave between ribs ; lip sinus deep , adjoining suture . 6 × 2.5 mm .; both the Zululand specimens slightly larger , with 3-4 whorls : 7x3 mm . Pale buff . FIG . 16. Drillia mor ...
... smooth , lower part with 6-7 lirae ; sulcus slightly concave between ribs ; lip sinus deep , adjoining suture . 6 × 2.5 mm .; both the Zululand specimens slightly larger , with 3-4 whorls : 7x3 mm . Pale buff . FIG . 16. Drillia mor ...
Page 137
... smooth . Postnatal whorls 4 ( Thiele : 41 ) , profile convex , shoulder not prominent . No axial ribs . Spiral lirae ( below sulcus ) 3 on 1st whorl , 4 on 2nd , 5 on 3rd and 6 on 4th , c . 15 additional lirae on base , very faint ...
... smooth . Postnatal whorls 4 ( Thiele : 41 ) , profile convex , shoulder not prominent . No axial ribs . Spiral lirae ( below sulcus ) 3 on 1st whorl , 4 on 2nd , 5 on 3rd and 6 on 4th , c . 15 additional lirae on base , very faint ...
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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