Annals of the South African MuseumSouth African Museum, 1990 - Natual history |
From inside the book
Results 1-3 of 6
Page 4
... exterior views of scutum . B. Interior and exterior views of tergum . C. Apertural and lateral views of shell . Scales = 1 mm . A B C = A - B . Large paired. 4 ANNALS OF THE SOUTH AFRICAN MUSEUM.
... exterior views of scutum . B. Interior and exterior views of tergum . C. Apertural and lateral views of shell . Scales = 1 mm . A B C = A - B . Large paired. 4 ANNALS OF THE SOUTH AFRICAN MUSEUM.
Page 6
... exterior ; a shallow groove is often present along the reflexed tergal segment . Articular ridge high , about four ... exterior with low growth ridges , more pronounced on scutal portion ; no radial sculpture . Spur furrow broad , open ...
... exterior ; a shallow groove is often present along the reflexed tergal segment . Articular ridge high , about four ... exterior with low growth ridges , more pronounced on scutal portion ; no radial sculpture . Spur furrow broad , open ...
Page 9
... exterior radial striae . In addition to the deep spur furrow , the tergum of A. ( N. ) lepidus differs from the new species in the strongly concave scutal margin , presence of distinct depressor crests , and radially striate exterior ...
... exterior radial striae . In addition to the deep spur furrow , the tergum of A. ( N. ) lepidus differs from the new species in the strongly concave scutal margin , presence of distinct depressor crests , and radially striate exterior ...
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