ðə fˈæmɪli kæn biː dᵻvˈaɪdᵻd ˌɪntʊ tˈuː ɡɹˈuːps, ɐ tˈɛmpɚɹət nˈɔːɹθ juːɹˈeɪʒən klˈeɪd ænd ɐ mˈoːɹ daɪvˈɜːs sʌbtɹˈɑːpɪkəl slˈæʃ tɹˈɑːpɪkəl sˈaʊθ ænd sˈaʊθiːst ˈeɪʒən klˈeɪd.
The family can be divided into two groups, a temperate North Eurasian clade and a more diverse subtropical/tropical South and Southeast Asian clade.