Annals of the South African MuseumSouth African Museum, 1990 - Natual history |
From inside the book
Results 1-3 of 4
Page 3
... lower portion but may extend almost to sheath , short secondary ribs sometimes on larger speci- mens ; basal denticles conspicuous with correspondingly small tapered ridges on lower ribs ; sheath about half the length of plate , lower ...
... lower portion but may extend almost to sheath , short secondary ribs sometimes on larger speci- mens ; basal denticles conspicuous with correspondingly small tapered ridges on lower ribs ; sheath about half the length of plate , lower ...
Page 7
... lower sides of primary denticles only were recognized as pan - austral Southern Hemisphere endemics and assigned to two new genera , Austromegabalanus and Notomegabalanus . The former genus is distinguished by beaked terga and closed ...
... lower sides of primary denticles only were recognized as pan - austral Southern Hemisphere endemics and assigned to two new genera , Austromegabalanus and Notomegabalanus . The former genus is distinguished by beaked terga and closed ...
Page 12
... Lower Pleistocene deposits . This suggests that A. ( A. ) cylindricus ( Gmelin , 1780 ) does not have a range extending from the Pliocene , in contrast to A. ( A. ) psitt- acus ( Molina , 1782 ) from South America . However , the former ...
... Lower Pleistocene deposits . This suggests that A. ( A. ) cylindricus ( Gmelin , 1780 ) does not have a range extending from the Pliocene , in contrast to A. ( A. ) psitt- acus ( Molina , 1782 ) from South America . However , the former ...
Other editions - View all
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