ˈoʊnli ɐbˌaʊt hˈæf ʌvðə nˈoʊn spˈiːsiːz ɑːɹ lˈɪvɪŋ tˈæksə ðɪ ˈʌðɚz ɑːɹ fˈɑːsəlz, bˌʌt ðeɪ ɑːɹ fˈaʊnd wˈɜːldwaɪd.
Only about half of the known species are living taxa (the others are fossils), but they are found worldwide.