One of the species is a striped possum with an extraordinarily elongated fourth digit, twice as long as the rest of its fingers, that it uses to extract and feed on wood-boring insect larvae. Fossil records had previously indicated the species, known as the pygmy long-fingered possum (Dactylonax kambuayai), lived in Australia’s central Queensland region about 300,000 years ago but seemed to have vanished during the ice age. Before the recent discovery, it was last known to have lived in West Papua until about 6,000 years ago.