AlligatorTitanosauridaeHadrosauridGallus_gallusLithornis_vulturinusLithornis_celetiusRhea_americanaTroodon_formosusByronosaurus_jaffeiOrnithothoracinePhu_Phok_eggsCitipati_osmolskaeDeinonychus_antirrhopusMacroelongatoolithus_xixiaensisEggs and nestingMaximum ParsimonyBased on reanalysis of the original matrix.Grellet-Tinner_et_Makovicky_2006a