6A) Possible stained (red arrow) and unstained (black arrow) fungal remains within Haversian canals (M36). Note also the enlarged canaliculi in the form of a striated pattern radiating from the Haversian canal; 6B) Possible stained fungal remains within etched mfds (M37), indicated by red arrows; 6C) Example of grainy reddish-brown inclusions within Haversian canals of extensively bioeroded samples (TB31B); 6D) As 6C, but in bright-field reflected light; 6E) Example from TB31 of dark/opaque inclusions filling Haversian canals, osteocyte lacunae and canaliculi in samples with arrested- and no bioerosion (TB31F); 6F) As 6E, but in bright-field reflected light; 8.7) Example from FÖ1 of dark/opaque inclusions filling Haversian canals, osteocyte lacunae and canaliculi (FÖ1C); 6H) As 6G, but in bright-field reflected light.