Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Passage: Akwai rubuce rubuce guda biyu kawai na burbushin tururuwan bog. Marigayi J. Alan Holman, masanin ilmin halittu da masanin ilimin halittu, ya fara gano ragowar tururuwa na tururuwa a cikin Cumberland Cave, Maryland (kusa da Corriganville), wanda ke da shekaru Irvingtonian (daga miliyan 1.8 zuwa shekaru 300,000 da suka gabata). Binciken na biyu shi ne na Rancholabrean (tsakanin shekaru 300,000 da 11,000 da suka gabata) ɓangarorin ɓoye a cikin Giant Cement Quarry a South Carolina (kusa da Harleyville), ta Bentely da Knight a cikin 1998.Karyotype na kunkuru na kunkuru ya ƙunshi chromosomes 50.  Tambaya: Wadanne mukamai biyu ne Alan Holman ya rike?
masanin ilimin halittu da masanin ilimin halittu