Original sentence: haroldcookii did not achieve general acceptance in the scientific community, and although the species was retracted a decade after its discovery, creationists have promoted this episode as an example of the scientific errors that they allege undermine the credibility of palaeontology and hominid evolution
Edited sentence: haroldcookii did not achieve general acceptance in the scientific community, and although the species was retracted after ten years of its discovery, creationists are using this episode as an example of the scientific errors that they say undermine the credibility of palaeontology and hominid evolution