Annals of the South African MuseumSouth African Museum, 1990 - Natual history |
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Page 2
... spur at less than two - thirds its own width from basi - scutal angle ; broad , very shallow spur furrow ; no definite depressor crests . Distribution Upper Pliocene of the Namaqualand coastal plain , west coast of South Africa ...
... spur at less than two - thirds its own width from basi - scutal angle ; broad , very shallow spur furrow ; no definite depressor crests . Distribution Upper Pliocene of the Namaqualand coastal plain , west coast of South Africa ...
Page 6
... Spur furrow broad , open and very shallow to flush ; margins slightly incised . Exterior carinal portion gently convex , exterior scutal portion usually slightly outwardly deflected . Articular margin quite narrowly reflexed at ...
... Spur furrow broad , open and very shallow to flush ; margins slightly incised . Exterior carinal portion gently convex , exterior scutal portion usually slightly outwardly deflected . Articular margin quite narrowly reflexed at ...
Page 7
... spur furrow and beak , between Austromegabalanus and Notomegabalanus are not sufficiently strong to justify full ... shallow spur furrow and subdued expression of the spur ridge on the valve interior . The comparison of A. ( N ...
... spur furrow and beak , between Austromegabalanus and Notomegabalanus are not sufficiently strong to justify full ... shallow spur furrow and subdued expression of the spur ridge on the valve interior . The comparison of A. ( N ...
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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