For now, the nearest we got was in 2001, when researchers described the partial skull and
jaw fragments of a 6 - to 7 - million - year - old hominin from the deserts of northern Chad.
Not exact matches
They uncovered more remains, including several pieces
of jaw bone and a
fragment of an arm.
But most
of the bones are marine: scraps
of whale bone,
jaw and skull
fragments of harp seals, a bit
of inner ear
of a hooded seal.
Dr Nick Longrich, from the Milner Centre for Evolution based in the University
of Bath's Department
of Biology & Biochemistry, studied one
of these rare fossils, a
fragment of a
jaw bone kept in the Peabody Museum at Yale University.
Like pieces
of a jigsaw puzzle, we have various bits
of Timurlengia's skeleton, including part
of the snout and
jaws, some teeth, various vertebrae
of the neck, back and tail, and
fragments of the hands and feet.
Inspecting the
fragments of skull,
jaw and teeth more closely, they realized they had a tyrant on their hands.
The size and shape
of the upper
jaw fragment suggests that the creature was about 4 meters long, with some other species in the Helicoprion genus measuring almost twice that length.
Paleontologists have only a pair
of lower
jaw fragments to go on, the larger
of which (pictured above) is almost 11 inches long.
Fragments of fossilized
jaw, skull, and tooth, unearthed shortly before World War I from gravel beds, 45 miles south
of London, were not, as had been believed, the remains
of an aberrant part - human, part - ape «missing link».
We argue here that the Aust bones, previously identified as those
of dinosaurs or large terrestrial archosaurs, are
jaw fragments from giant ichthyosaurs.»