sentences:  This suggestion was, however, not accepted by Gerlof Fokko Mees, who pointed out distinct differences in the shape and structure of the bill.A 2012 molecular phylogenetic analysis based on mitochondrial DNA sequence similarity found that "Habroptila" is part of evolutionary radiation within the broad genus "Gallirallus" that took place around 400,000 years ago in the region.A 2014 genetic study found that it formed a clade with the extinct Hawkins's rail of the Chatham Islands, New Zealand, the divergence was estimated to have taken place around 10 million years ago, this clade was in turn sister to "Gallirallus."