Earliest Known Occurrence
The February 22, 2007 issue of the journal Biology Letters detailed the discovery of a 120 million-year-old fossil of a 2-headed Hyphalosaurus lingyuanensis, marking the earliest known occurrence of axial bifurcation.
Read more about this topic: Polycephaly
Famous quotes containing the words earliest and/or occurrence:
“Oh! snatchd away in beautys bloom,
On thee shall press no ponderous tomb;
But on thy turf shall roses rear
Their leaves, the earliest of the year;”
—George Gordon Noel Byron (17881824)
“One is absolutely sickened, not by the crimes that the wicked have committed, but by the punishments that the good have inflicted; and a community is infinitely more brutalised by the habitual employment of punishment than it is by the occasional occurrence of crime.”
—Oscar Wilde (18541900)