Cullen et al. Electronic Data Suppplment 2: Phylogenetic Analysis Results Phylogenetic Analysis of ROM VP 65884 based on the phylogenetic dataset of Funston and Currie (2016), as described in ESM_1. The analysis resulted in 9 most parsimonious trees retained, each with a Tree Length of 578, Consistency index of 0.494 and a Retention index 0.671. Strict consensus of the 9 Most Parsimonious Trees is as follows: ,-- Herrerasaurus_ischigualastensis | ,-- Velociraptor_mongoliensis |--| | ,-- Protarchaeopteryx_robusta | | ,----- Archaeopteryx_lithographica `--| | ,-- Ningyuansaurus_wangi | | |-- Luoyanggia_liudianensis | | |-- Similicaudipteryx_yixianensis `--| |-- Caudipteryx_dongi | |-- Caudipteryx_zoui | |-- Incisivosaurus_gauthieri `--| ,-- Avimimus_portentosus | | ,-- Microvenator_celer | | | ,-- Gigantoraptor_erlianensis | | ,--| | ,-- Hagryphus_giganteus | | | `--| | ,-- Epichirostenotes_curriei `--| | `--| ,----- Anzu_wyliei | | | | ,-- Caenagnathus_collinsi | | `--| | ,-- Caenagnathasia_martinsoni | | `--| | ,-- Chirostenotes_pergracilis `--| `--| | ,-- ROM65884 | `--| |-- Apatoraptor_pennatus | `--+-- Elmisaurus_rarus | `-- Leptorhynchos_elegans | ,-- Nankangia_jiangxiensis | | ,-- Ganzhousaurus_nankangensis `--| | ,-- Yulong_mini `--| ,----- Nomingia_gobiensis | | ,-- Oviraptor_philoceratops `--| | ,-- Rinchenia_mongoliensis | |--| ,-- Zamyn_Khondt_oviraptorid `--| `----- Citipati_osmolskae | ,-- Wulatelong_gobiensis | ,----- Banji_long `--| ,-- Shixinggia_oblita `--| ,-- Khaan_mckennai `--| ,-- Conchoraptor_gracilis `--| ,-- Machairasaurus_leptonychus `--| ,-- Jiangxisaurus_ganzhouensis `--| ,-- Nemegtomaia_barsboldi `--| ,-- Ingenia_yanshini `----- Heyuannia_huangi Results of the Bootstrap Analysis: ,--0/ Herrerasaurus_ischigualastensis | ,--11/ Velociraptor_mongoliensis |--/| | ,--0/ Protarchaeopteryx_robusta | | ,--2/30---5/ Archaeopteryx_lithographica `--0/100| | ,--7/ Ningyuansaurus_wangi | | |--3/ Luoyanggia_liudianensis | | |--2/ Similicaudipteryx_yixianensis `--15/27| |--3/ Caudipteryx_dongi | |--7/ Caudipteryx_zoui | |--4/ Incisivosaurus_gauthieri `--24/30| ,--12/ Avimimus_portentosus | | ,--3/ Microvenator_celer | | | ,--5/ Gigantoraptor_erlianensis | | ,--1/2| | ,--0/ Hagryphus_giganteus | | | `--4/12| | ,--0/ Epichirostenotes_curriei `--8/?| | `--2/12| ,--1/3---3/ Anzu_wyliei | | | | ,--3/ Caenagnathus_collinsi | | `--1/4| | ,--3/ Caenagnathasia_martinsoni | | `--4/?| | ,--3/ Chirostenotes_pergracilis `--14/34| `--1/0| | ,--0/ ROM65884 | `--1/2| |--2/ Apatoraptor_pennatus | `--8/11+--3/ Elmisaurus_rarus | `--2/ Leptorhynchos_elegans | ,--6/ Nankangia_jiangxiensis | | ,--2/ Ganzhousaurus_nankangensis `--3/7| | ,--2/ Yulong_mini `--1/3| ,--2/13---0/ Nomingia_gobiensis | | ,--1/ Oviraptor_philoceratops `--1/?| | ,--7/ Rinchenia_mongoliensis | |--4/6| ,--0/ Zamyn_Khondt_oviraptorid `--8/?| `--3/69---2/ Citipati_osmolskae | ,--1/ Wulatelong_gobiensis | ,--2/10---2/ Banji_long `--3/?| ,--2/ Shixinggia_oblita `--2/?| ,--5/ Khaan_mckennai `--2/?| ,--1/ Conchoraptor_gracilis `--5/11| ,--1/ Machairasaurus_leptonychus `--1/7| ,--3/ Jiangxisaurus_ganzhouensis `--1/20| ,--5/ Nemegtomaia_barsboldi `--1/32| ,--1/ Ingenia_yanshini `--2/54---2/ Heyuannia_huangi