megastomatohyla is a genus of frogs. it is in in the family hylidae. they live in cloud forests in mexico. it lives in the states of veracruz and oaxaca. all of the species in this genus are rare and only live in a few places. the name "megastomatohyla" comes from the greek word "mega" for "large" and "stomatos" for "mouth," because the tadpoles have large mouths. "hyla" is the name of another genus. four of the frogs in "megastomatohyla" were in "hyla" before the scientists changed their minds. they are called large-mouthed treefrogs in english.