Nanophyllium

thumb|upright|Wing venation of the forewings of females of A Nanophyllium chitoniscoides, B [[Nanophyllium suzukii and C Nanophyllium keyicum]] thumb|upright|Unidentified males of Nanophyllium species from Western New Guinea A from Mokndoma and B from Aiduma Island thumb|Forelegs of males of A-C Acentetaphyllium and D-H Nannophyllium: A A. stellae, B A. miyashitai, C A. larssoni, D N. australianum, E N. asekiense, F N. rentzi, G N. hasenpuschi, H N. adisi thumb| A–C Eggs of Nanophyllium asekiense: A dorsal, B lateral, C opercular (anterior); D–F eggs of Nanophyllium sp. from the [[NHMUK: D dorsal, E lateral, F opercular]] Nanophyllium is a genus of stick insect described in 2022, belonging to the Phylliidae (leaf insects) which is native to New Guinea and northeastern Australia.

== Description == The genus Nanohyllium comprises rather small to medium-sized species of leaf insects. Females reach body lengths between . Males have been documented with body lengths of . A characteristic feature of the genus in both sexes is that the posterior median tubercles on the head are split into two parts and are not formed as a single tubercle, as in most other leave insects.