DSC_0803 Small rock borer (Pholadidea tridens) concealed within its mudstone burrow. Rock borers are known for their habit of 'drilling' down through soft rock, by grinding the file-like surface of their shells against the rock surface. Moeraki
DSC_0553 Small rock borer (Pholadidea tridens) detail of siphon at entrance to the characteristic hole bored into soft rock by this clam. Moeraki
DSC_4084 Angus' egg shell (Offadesma angasi) so called because the silvery-white shell is thin and fragile. Uncommon, lives intertidally and subtidally in muddy sand in sheltered environments. Also occurs in southern and eastern Australia. Whangateau Harbour
