They have caused the recent extinction of many marsupial species.
The next most recent extinctions occurred in Madagascar in the 1500's, he said, with the loss of several giant lemurs.
Research on subfossil lemur diets, particularly in southern and southwestern Madagascar, has indicated that ecological communities have been significantly affected by their recent extinction.
The most recent extinction in New Zealand was complete no earlier than 500 BP and during a period of cooling.
Only recently have extinctions been recorded and scientists have become alarmed at the high rates of recent extinctions.
It is now clear that many recent extinctions of amphibians in Australia and the Americas are linked to this fungus.
No species is recorded as having become extinct, despite over 50% of recent worldwide extinctions being Australian.
Earlier studies found that endemic species accounted for most recent extinctions worldwide.
For instance, one of the recent extinctions has been of the Tasmanian tiger.
However with recent extinctions occurring within the last century, only two of the subspecies still exist.