ðə wˈʌn kˈɑːnstənt ˌiːəsˈʌkiən hˈæzbiːn jʌndʒˈiːnə, ɐ smˈɔːl lˈɪzɚdʃˈeɪpt ɹˈɛptaɪl fɹʌmðɪ ˌʌpɚ pˈɜːmiən ʌv sˈaʊθ ˈæfɹɪkə.
The one constant eosuchian has been Youngina, a small lizard-shaped reptile from the Upper Permian of South Africa.