sentences:  Falk undertook a collaborative study in 2005 that described Hobbit's endocast and supported the claim that the find represented a new species.Falk's 2005 study was criticized by other experts.In response, in 2007 with an international team of experts, Falk compared detailed maps of imprints left on the ancient hominid's braincase (endocasts) with those from microcephalic individuals and concluded that LB1, indeed, represented a new species that may have been descended from either "Homo erectus" or an earlier small-bodied hominin.