Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Passage: Masu bincike biyu, Chris Bennett (1996) da David Peters (2000), sun gano pterosaurs su zama protorosaurs ko kuma suna da dangantaka da su. Peters ya yi amfani da wata dabara da ake kira DGS, wanda ya shafi amfani da fasali na bin diddigin software na gyaran hoto zuwa hotunan burbushin pterosaur. Bennett kawai ya dawo da pterosaurs a matsayin dangi na kusa da protorosaurs bayan cire halayen ɓangaren baya daga bincikensa, a ƙoƙarin gwada ra'ayin cewa waɗannan haruffa sune sakamakon juyin halitta tsakanin pterosaurs da dinosaur. Duk da haka, bincike na gaba da Dave Hone da Michael Benton (2007) ba su iya sake haifar da wannan sakamakon ba. Hone da Benton sun gano cewa pterosaurs suna da alaƙa da dinosaur ko da ba tare da halayen ƙafafun baya ba. Sun kuma soki binciken da David Peters ya yi a baya, suna tayar da tambayoyi game da ko za a iya yanke hukunci ba tare da samun damar yin amfani da hujjoji na farko ba, wato, burbushin pterosaur, za a iya ɗaukar nauyin daidai da yanke shawara bisa ga fassarar farko. Hone da Benton sun kammala cewa, kodayake ana buƙatar ƙarin pterosauromorphs na farko don fayyace alaƙar su, pterosaurs sun fi dacewa da archosaurs, kuma musamman ornithodirans, saboda shaidar da ake da ita. A cikin nazarin Hone da Benton, pterosaurs sune 'yan uwan' yan uwan Scleromochlus ko kuma su fada tsakanin shi da Lagosuchus a kan bishiyar iyalin ornithodiran. Sterling Nesbitt (2011) ya sami goyon baya mai karfi ga wani nau'i wanda ya kunshi Scleromochlus da pterosaurs. Karatuttukan da aka yi kwanan nan game da ilimin halittar pterosaur na baya-bayan nan sun bayyana sun tabbatar da alaƙa da Scleromochlus. Kamar wannan archosaur, basal pterosaur lineages suna da plantigrade hindlimbs wanda ya nuna dacewa don saltation.  Tambaya: Mene ne dangantakar tsakanin pterosaurs bisa ga bincike na Hone da Benton?
'yar'uwar' yar'uwar Scleromochlus ko fada tsakanin shi da Lagosuchus a kan bishiyar iyalin ornithodiran