woolly mammoths, saber-tooth cats, sloths and others got stuck;
(woolly mammoths, saber-tooth cats, sloths and others; got; stuck) (woolly mammoths, saber-tooth cats, sloths and others; got stuck; )
woolly mammoths, saber-tooth cats, sloths and others woolly mammoths, saber-tooth cats, sloths and others
got got stuck
stuck