Annals of the South African MuseumSouth African Museum, 1990 - Natual history |
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Page 2
... transverse septa in either . Thick scutum of high relief , no exterior radial sculpture ; small , triangular , deeply excavated , lateral depressor pit , deep adductor muscle pit , no definite adductor ridge . Tergum not beaked and with ...
... transverse septa in either . Thick scutum of high relief , no exterior radial sculpture ; small , triangular , deeply excavated , lateral depressor pit , deep adductor muscle pit , no definite adductor ridge . Tergum not beaked and with ...
Page 6
... transverse ridges small ; interior of valve below apex with several irregular grooves ; carinal depressor crests effectively absent but faint grooving sometimes visible . Spur short and wide , approximately as long as broad ; occupying ...
... transverse ridges small ; interior of valve below apex with several irregular grooves ; carinal depressor crests effectively absent but faint grooving sometimes visible . Spur short and wide , approximately as long as broad ; occupying ...
Page 9
... transverse septa in the parietal pores , the new species does not , a feature in common with A. ( N. ) algicola and evidently A. ( N. ) miodecorus Buckeridge , 1983 . In the Northern Hemisphere , the extant Balanus ( Megabalanus ) ...
... transverse septa in the parietal pores , the new species does not , a feature in common with A. ( N. ) algicola and evidently A. ( N. ) miodecorus Buckeridge , 1983 . In the Northern Hemisphere , the extant Balanus ( Megabalanus ) ...
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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