• (n.) One of a group of marsupials including the phalangists. • (n.) One of a tribe of beetles which feed upon the leaves of plants, as the chafers.
Phyl·loph'a·gan noun [ Phyllo- + Greek ... to eat.] (Zoology) (a) One of a group of marsupials including the phalangists. (b) One of a tribe of beetles which feed upon the leaves of plants, as the chafers. 
phyllophagan A reference to a group of mammals containing the sloths which thrive primarily on leaves.