Fig. 10From: Boring bivalve traces in modern reef and deeper-water macroid and rhodolith bedsThin section photomicrographs showing Gastrochaenolites (G), Trypanites (T), and Trypanites/Maeandropolydora (T/M) in rhodoliths off Fraser Island. a Cylindrical tubes of Trypanites bore successive coralline thallial growth increments. b Encrusting coralline thallus (arrow) overlying GastrochaenolitesBack to article page