Annals of the South African MuseumSouth African Museum, 1990 - Natual history |
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Page 3
... margin 3,7 mm , tergum scutal margin 2,6 mm . Largest shell . SAM - PQ - AV984a , height 6,3 mm , diameter 14,7 mm . Largest scutum . SAM - PQ - HB180 , occludent margin 6,2 mm . Description Shell relatively small ( ~ 1 cm basal ...
... margin 3,7 mm , tergum scutal margin 2,6 mm . Largest shell . SAM - PQ - AV984a , height 6,3 mm , diameter 14,7 mm . Largest scutum . SAM - PQ - HB180 , occludent margin 6,2 mm . Description Shell relatively small ( ~ 1 cm basal ...
Page 6
... margin ; no radial sculpture ; basal margin convex and about two - thirds length of occludent margin ; tergal margin about three - quarters length of occludent margin and on exterior raised as a low ridge from apex to basi - tergal ...
... margin ; no radial sculpture ; basal margin convex and about two - thirds length of occludent margin ; tergal margin about three - quarters length of occludent margin and on exterior raised as a low ridge from apex to basi - tergal ...
Page 9
... basal margin , radially aligned pits on the exterior of some specimens and overall larger size . Austromegabalanus ( N. ) lepidus Zullo , 1986 , from the Pliocene of the Western North Atlantic is a species of comparable size to that of ...
... basal margin , radially aligned pits on the exterior of some specimens and overall larger size . Austromegabalanus ( N. ) lepidus Zullo , 1986 , from the Pliocene of the Western North Atlantic is a species of comparable size to that of ...
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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