Annals of the South African Museum, Volume 45 |
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Page 426
The sides of the central pit of the posterior pillar are slightly more separated than
in the anterior pillar , and there is a protrusion of enamel in the direction of the
talonid . The anterior pillar is more rounded than the posterior pillar , the
peripheral ...
The sides of the central pit of the posterior pillar are slightly more separated than
in the anterior pillar , and there is a protrusion of enamel in the direction of the
talonid . The anterior pillar is more rounded than the posterior pillar , the
peripheral ...
Page 436
The posterior pillar has almost all its enamel worn down by abnormal wear ( cf.
specimen 93 ) . The cingulum is barely recognizable on the anterior pillar . The
enamel is rather rugose . The base of the central ridge of the metaconid is just ...
The posterior pillar has almost all its enamel worn down by abnormal wear ( cf.
specimen 93 ) . The cingulum is barely recognizable on the anterior pillar . The
enamel is rather rugose . The base of the central ridge of the metaconid is just ...
Page 483
In the region of the talonid the root is also thickened and continuous with the
thickened portion of the posterior pillar by means of a hollowed - out plate , so
that in effect one observes one massive root . The tips of the roots tend to curve ...
In the region of the talonid the root is also thickened and continuous with the
thickened portion of the posterior pillar by means of a hollowed - out plate , so
that in effect one observes one massive root . The tips of the roots tend to curve ...
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Common terms and phrases
additional African Alfred antennae anterior aperture apex appearance aspect axial ribs band base becoming body breadth broken brown buccal callus Cape central plate cingulum cirri columella Conch cusps dead described developed diam distinct dorsal Durban East enamel examples extending False Bay fathoms figure fish foot fragment groove knobs lateral length less lirae Living lobe lower Makapansgat margin marked Martens material Maximum metres middle Museum narrow Natal Notes occlusal Operculum outer lip P.F. coll pair pale pillar plate Point Port posterior Postnatal whorls present protoconch radula Records Remarks root rostrum rounded rows seen segments setae shell shoulder shows side similar slightly Smith smooth sometimes Sowerby species specimens spiral spiral lirae spire striae surface suture Table Table Bay teeth Thiele Tomlin tooth Turton upper usually