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| age = [[Late Cretaceous]] ([[Santonian]] - [[Campanian]]) | region = [[Asia]]

| fossil_range = [[Late Cretaceous]], {{fossilrange|86.3|83.6}} ...Santonian of Kazakhstan | doi = 10.1016/j.cretres.2013.05.003 | journal = Cretaceous Research | year = 2013 | pmid = | pmc = }}</ref>

| fossil_range = [[Late Cretaceous]], {{fossil range|84}} ...a paleontologist, and the genus is named after [[Samruk]], a magical bird of [[Kazakh folklore]].

| fossil_range = {{fossil range|99.6|65|[[Late Cretaceous]]}} | image_caption = A pair of ''Macroolithus yaotunensis'' eggs