MicrohylinaeThe Microhylinae are a subfamily of microhylid frogs. It contains 9 genera. Phylogenetic studies have estimated the family Microhylidae to be about 52 million years old.GeneraThe following genera are recognised in the subfamily Microhylinae:Glyphoglossus Günther, 1869Kaloula Gray, 1831Metaphrynella Parker, 1934Microhyla Tschudi, 1838Micryletta Dubois, 1987Mysticellus Sonali & Biju, 2019Nanohyla Phrynella Boulenger, 1887Uperodon Duméril & Bibron, 1841