Annals of the South African Museum, Volume 45 |
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Page 282
At first sight it was thought that the insertion of the antennae was harmothoid and
then it was noticed that prostomial peaks are absent and the lateral antennae are
not ventral but subterminal in origin . When the worm was turned over it was ...
At first sight it was thought that the insertion of the antennae was harmothoid and
then it was noticed that prostomial peaks are absent and the lateral antennae are
not ventral but subterminal in origin . When the worm was turned over it was ...
Page 348
Diagnosis : A small species with poorly developed gills , flattened , shovel - like
frontal antennae and side branches on the ceratophores of the occipital
antennae . Description : The holotype was selected from a collection of 7
specimens from ...
Diagnosis : A small species with poorly developed gills , flattened , shovel - like
frontal antennae and side branches on the ceratophores of the occipital
antennae . Description : The holotype was selected from a collection of 7
specimens from ...
Page 355
The frontal antennae are ovoid , the ceratophores of the occipital antennae have
small lateral branches , tentacular cirri are absent and no gills have been
developed . It is interesting to note that eye specks are still present behind the
inner ...
The frontal antennae are ovoid , the ceratophores of the occipital antennae have
small lateral branches , tentacular cirri are absent and no gills have been
developed . It is interesting to note that eye specks are still present behind the
inner ...
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additional African Alfred antennae anterior aperture apex appearance aspect axial ribs 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 South African Sowerby species specimens spiral spiral lirae spire striae surface suture Table Table Bay teeth Thiele Tomlin tooth Turton upper usually