Annals of the South African MuseumSouth African Museum, 1990 - Natual history |
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Page 3
... edges regularly and densely septate with denticles on lower edges of septa ( Fig . 3D ) , articulating surfaces on adjacent parietes with corresponding low , upward denticulations . Alae thin and broad , crenate sutural edges sometimes ...
... edges regularly and densely septate with denticles on lower edges of septa ( Fig . 3D ) , articulating surfaces on adjacent parietes with corresponding low , upward denticulations . Alae thin and broad , crenate sutural edges sometimes ...
Page 5
... valve . Scale showing austral megabalanine denticulation . Scale = 1 mm . = 5 mm . D. Sutural edge of radius Scutum thick , of high relief ; concave exterior with. AUSTROMEGA BALANUS FROM THE PLIOCENE OF SOUTH AFRICA 5.
... valve . Scale showing austral megabalanine denticulation . Scale = 1 mm . = 5 mm . D. Sutural edge of radius Scutum thick , of high relief ; concave exterior with. AUSTROMEGA BALANUS FROM THE PLIOCENE OF SOUTH AFRICA 5.
Page 6
... edge ; outer face shallowly concave and faint grooves are generally visible . Adductor muscle scar large , ovate and conspicuously deep , usually being visible without magnification , even in small scuta . No obvious adductor ridge but ...
... edge ; outer face shallowly concave and faint grooves are generally visible . Adductor muscle scar large , ovate and conspicuously deep , usually being visible without magnification , even in small scuta . No obvious adductor ridge but ...
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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