The karyotypes (chromosomes) have been determined for at least 1,193 (14.5%) of the ≈8,200 known (diploid) species, including 963 anurans, 209 salamanders, and 21 caecilians.
ðə kˈæɹɪˌɑːtaɪps kɹˈoʊməsˌoʊmz hɐvbɪn dɪtˈɜːmɪnd fɔːɹ æt lˈiːst wˈʌn,wˈʌnhˈʌndɹɪd nˈaɪnti θɹˈiː fˈoːɹtiːn.fˈaɪv pɚsˈɛnt ʌvðɪ ɐpɹˈɑːksɪmətli ˈeɪt,tˈuːhˈʌndɹɪd nˈoʊn dˈɪplɔɪd spˈiːsiːz, ɪŋklˈuːdɪŋ nˈaɪnhˈʌndɹɪd sˈɪksti θɹˈiː ˈænjʊɹɹənz, tˈuːhˈʌndɹɪd nˈaɪn sˈælɐmˌændɚz, ænd twˈɛnti wˈʌn kiːsˈɪliənz.