ðə tɹɛmˈæɾəsˌɔːɹz wɜːɹ ɐ daɪvˈɜːs ænd ɪmpˈoːɹtənt ɡɹˈuːp ðæt ɪŋklˈuːdᵻd mˈɛni mˈiːdiəmsˈaɪzd tə lˈɑːɹdʒ fˈɔːɹmz ðæt wɜː sˈɛmaɪəkwˈæɾɪk tə fˈʊli əkwˈæɾɪk.
The trematosaurs were a diverse and important group that included many medium-sized to large forms that were semi-aquatic to fully aquatic.