Thanatophage
Thanatophages, are organisms that obtain nutrients by consuming decomposing dead plant biomass.
Ecology
In food webs, thanatophages generally play the roles of decomposers.The eating of wood, whether live or dead, is known as xylophagy. The activity of animals feeding only on dead wood is called sapro-xylophagy and those animals, sapro-xylophagous.