ðə hˈaɪndlɪmz wɜː mˈʌtʃ lˈɑːɹdʒɚ ðɐn ðə fˈɔːɹlɪmz, ænd ɪnðə pˈɛlvɪs ðɪ ˈɪliəm lˈækt ɐ bˈoʊni kənˈɛkʃən tə ðə vˈɜːɾɪbɹəl kˈɑːlʌm ɐ klˈæsɪk fˈiːtʃɚɹ ʌv əkwˈæɾɪk tˈɛtɹɐpˌɑːdz.
The hindlimbs were much larger than the forelimbs, and in the pelvis the ilium lacked a bony connection to the vertebral column (a classic feature of aquatic tetrapods).