Annals of the South African Museum

50-m Package abbreviated Additional adductor ridge African algicola America angle apex appear articular ridge Atlantic austral austral megabalanine Austromegabalanus Austromegabalanus Austromegabalanus Notomegabalanus author's name authors barnacle basal margin bases beaked broad Buckeridge Cape Town capital closed cluster coast concave considered decorus deep denticles deposits described distinguishes edges exterior extinct figures followed formation fossil Fosterella genus Hemisphere Holotype illustrations included indicate interior italics kensleyi lack larger lateral depressor pit letters lower lower shoreface material moderately Namaqualand narrowly Newman North Note occludent margin occurrence opercula paratypes parietes placed Pleistocene Pliocene pores porous portion present radial radii references reflexed relatively representatives ribbed rounded Scale scientific scutal scutal margin scutum separates septa shallow shells short slightly Smith SOUTH AFRICA Southern species specimens spur furrow strongly subgenus Table taxa tergal tergum thin transgressive transverse upper usually valve Zullo