Annals of the South African MuseumSouth African Museum, 1990 - Natual history |
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Page 6
... Tergum carinal and basal margins convex , scutal margin straight ; exterior with low growth ridges , more pronounced on scutal portion ; no radial sculpture . Spur furrow broad , open and very shallow to flush ; margins slightly incised ...
... Tergum carinal and basal margins convex , scutal margin straight ; exterior with low growth ridges , more pronounced on scutal portion ; no radial sculpture . Spur furrow broad , open and very shallow to flush ; margins slightly incised ...
Page 7
... terga and closed spur furrows , the latter by non - beaked terga and open furrows . However , Buckeridge ( 1983 ) , in his ... tergum place it in the subgenus Notomegabalanus . Listed in Table 1 are the fossil and extant species of ...
... terga and closed spur furrows , the latter by non - beaked terga and open furrows . However , Buckeridge ( 1983 ) , in his ... tergum place it in the subgenus Notomegabalanus . Listed in Table 1 are the fossil and extant species of ...
Page 9
... tergum that is non - beaked but has a closed spur furrow . On the basis of the overall resemblance of the opercula to those of A. ( N. ) algicola , this species has been tentatively placed in Notomega- balanus by Henry & McLaughlin ...
... tergum that is non - beaked but has a closed spur furrow . On the basis of the overall resemblance of the opercula to those of A. ( N. ) algicola , this species has been tentatively placed in Notomega- balanus by Henry & McLaughlin ...
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Common terms and phrases
1983 Austromegabalanus Notomegabalanus 50-m Package abbreviated apex articular furrow articular ridge austral megabalanine Austromegabalanus Austromegabalanus Austromegabalanus Notomegabalanus Austromegabalanus s.s. BALANIDAE Balanus barnacle coquina basal lower shoreface basal margin convex basi-scutal angle beaked campbelli Filhol Cape Town carinal closed spur furrow cluster concave denticles deposits depressor crests Disarticulated exterior radial exterior scutal portion extinct Fosterella Fosterella chathamensis Buckeridge Gastropoda Holotype Hondeklip Zone 12A infill kensleyi sp lateral depressor pit Leda Megabalanus s.s. Miocene Namaqualand Notomega NZ S NZ occludent margin Oligocene opercula paratypes parentheses parietal pores Pleistocene Pliocene porous radii punctuation radial sculpture references Roman numerals scientific name scutal margin scutum septa shallow spur furrow shallow subtidal shells without opercula SOUTH AFRICA South African Museum species of Notomegabalanus specimens squillae Daniel subgenus Subgenus Notomegabalanus subheadings are shouldered sutural edges Synonymy Synonymy arrangement taxa tergal margin tergum transverse septa upper shoreface width from basi-scutal Zullo & Guruswami-Naidu