#NEXUS [!This data set was downloaded from TreeBASE, a relational database of phylogenetic knowledge. TreeBASE has been supported by the NSF, Harvard University, Yale University, SDSC and UC Davis. Please do not remove this acknowledgment from the Nexus file. Generated on September 21, 2025; 6:27 GMT TreeBASE (cc) 1994-2008 Study reference: Rubilar-rogers D., Otero R.A., Yury-yáñez R.E., Vargas A.O., & Gutstein C.S. 2012. An overview of the dinosaur fossil record from Chile. Journal of South American Earth Sciences, : 1-14. TreeBASE Study URI: http://purl.org/phylo/treebase/phylows/study/TB2:S13011] [ The following blocks are input data for analysis step 9666 ] BEGIN TAXA; TITLE TaxaForAnalysisStep9666; DIMENSIONS NTAX=30; TAXLABELS Alamosaurus Amargasaurus Apatosaurus Atacamatitan_chilensis Barapasaurus Barosaurus Brachiosaurus Camarasaurus Dicraeosaurus Diplodocus Euhelopus Haplocanthosaurus Jobaria Malawisaurus Mamenchisaurus Nemegtosaurus Neuquensaurus Nigersaurus Omeisaurus Opisthocoelicaudia Patagosaurus Prosauropoda Rapetosaurus Rayososaurus Rebbachisaurus Saltasaurus Shunosaurus Theropoda Titanosaurus_colberti Vulcanodon ; END; BEGIN CHARACTERS; [! TreeBASE Matrix URI: http://purl.org/phylo/treebase/phylows/matrix/TB2:M13672] TITLE Sauropoda; LINK TAXA = TaxaForAnalysisStep9666; DIMENSIONS NCHAR=234; FORMAT DATATYPE=Standard SYMBOLS= "0 1 2 3 4 5" MISSING=? GAP= -; MATRIX [ 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 ] [ . . . . . . . . . . . . . . . . . . . . . . . ] Alamosaurus ????????????????????????????????????????????????????????????????????????????11??1100001?0??1010110101101110??????1231100001101100001010???????0?111111101111?11111101100111???1111112??????????0111??????????????????????????????????????0 Amargasaurus ??????????1??00101111?1101111?????????????00111011?011??????????????????????001301??1010105111????1??0000?12??1????0?????????????????0???????0??????1??0?1????0101011010?001????????????1100???????1110?00???????????????????????????????0 Apatosaurus 00111112011?111?010111?101011111100020?1?0000100000011??????????221202121???011401101011115101111111100000021?110011000011110111110000011111001100101100110000010101101010011111000011111100110100011101001101110111101111111111?1111?1110 Atacamatitan_chilensis ????????????????????????????????????????????????????????????????????????????11??????????????????????????11????????????????????????10?1??????????????1?????????1101?????????????????????????????????1121101???????????????????????????????? Barapasaurus ?????????????????????????????????????????????????????????????????????1?0????00??01???0100??10101101110100001100?0??0?00???????1000000000?????01?00?0110000000?0101011110100????????????01100010101011101000101111?1?10???010???????1??11?0 Barosaurus ????????????????????????????????????????????????????????????????????????????01??011?111?11?101????111000000?????0?11011111110111111110011????01?00?01????????0??????????????????????????????11???????????????????????????????????????????0 Brachiosaurus 11110011111100010101100001011111110010111100000001100110011111121110011210001103011001100?31010111111100100211010?100000001100100000000???1011??10??110101000001010111101002111111111011110101110111111100110111111110011110111?11?1??11?0 Camarasaurus 1111001111110001010110010101110011011011110000000010011001111111111011121000010201101010103101011011110010021101001000000011011000000000??100?10101011010100000101011110100111111100111111000111011111010011011101111001111011111111111110 Dicraeosaurus 00?11?????0??00?01111111011111?????1?0??10001110101011110???????221202121?00011201101010113111110011100000121?1?0?11000010110111000000011?11001?00??110001000?0101011110???1???????????1110011010001110100110111011110??111111?11????11??0 Diplodocus 001111120111111101011101010111111000201110000100001011110101101?221202121110011401101111115101111111100000021111001101111111011111111001111100110010110001000001010111101001???????????11100110100011101011101?101111001111111111111?11110 Euhelopus 11100?11??1????10??????????????1100??0?111????????????10011?????1?101112101011?41111011011210101111?11011?03??01??????????????????????????1011??????110010000?110101???????????????????11101010101111111001101?10111?00?11101111?1??1111?0 Haplocanthosaurus ????????????????0???????????????????????????????0???????????????????????????01?3011000100?21010110111100000211010?10000000110010000000????1100??10??100001000??????????????????????????1110001010111110100???????????????????????????????0 Jobaria 11110011111100010101100001011101110?10?11?000??000?001000???????11101110000001?3011000100?310101111111000002110100100000001100100000000???10001?001011010100000101011110100101110000111111000101011111010011011101111001111011111????????0 Malawisaurus 11?????1??1???????????????????????????????????????????100???????1?1??11210?011??1100011?0??10101?01?1101110???????1??10?001110100001000???101?0?11??1?????00011101011000100???1??111????????????111?111?????11110???????1?????????????1??1 Mamenchisaurus ????????????????????????????????110???????????????????10000?10111?1?1111000011?401?101011031010?1?1?10?00002?????011010000000010000?000???10001100?01?????????01010111101001????????????1100????01011101001101?1101110?11?????1?11?1??1??0 Nemegtosaurus 01?1?011?10100010101010101010101111211111?11000100010110111??01?111?02121000?????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? Neuquensaurus ????????????????????????????????????????????????????????????????????????????11??010?001?0??101????1?1?0111031?0?1??3010?0011?110000101110???????????11101011111111101101111?????????????111101?011111211111111?1011101??1110?????1???????1 Nigersaurus 00110?1100???0011?001???1????1?1110???????0001?00??01110?100????22110212010101??0110001?0?????????????????????????????????????????????????1100???????1020?0??????????????????????????????????????????????????????????????????????????????? Omeisaurus 11100011011?000?01011000010111?11?0?1??11100?0?0?0?00110000?1???111011111?0001040111010?0?3101?11011100000021101?010000000000010000?000???100?11000011000?00000101011010100101000000111?110001010101?1000?01011??0101001111111111111111110 Opisthocoelicaudia ?????????????????????????????????????????????????????????????????????????????1?????????0104101011110110111031?0??1221200001101100001020100??110?1111110011111111111011011111??1111112??1111?0110111112111011111101110111111011111111011110 Patagosaurus 1?100?11????????0????????????????????????1?????????????0????????1?10111???0001??011?00100??10101101??0100002??0??????00???????1???0?000???1?00??00??110?0?000?0101111110100?????????????1100010101011101000001??????????101011???????????0 Prosauropoda 000000000000000000000000000000000??00000000000000000000000000000000?00000000000110?000000?1000000000000000000?00000000000000000000000000??00000?000000000000000001000?00000000000100000000000000000000000000000000000000000000000000000000 Rapetosaurus 0011?111?10?000?000101010101010?1112111???11?0100?110100111?????11110212100011??110?011?0??10101?01011011103?????????1??0???????00???1????1?????????1110??10011101101?00110?????1?1????11101011011111?1101???????????????????????????????1 Rayososaurus ?????????01??0011?00110?1???110?110??0????100101011011????????????1??212???101??011000100??1?10???1110000?1?????0010000000110110000000011?1?????1???11020?000101000111101001????????????11??01010111110?00?10??1?1???0??10001111?????????0 Rebbachisaurus ?????????????????????????????????????????????????????????????????????????????1??????????0??11??111111000011?????????????????????????????????????????110201?????1?0??????????????????????????????011??????????????????????????????????????0 Saltasaurus ?????????????00??101?00101????????????????01000101???1??????????????????????11??011000110??10101?1101101110312011????10?00111110000101110?1?????11?011101011111111101101111????????????11111011011111211111111110????????????????????????1 Shunosaurus 01100011011000000001??000001110110001001100000000?000110000?101?111011120?00000311?100100?210000?00000000?010?000010000000000010000?000???0?00111010100000000001010110101001010000011010110001010?01110100?101?10010?00111101110111?111110 Theropoda 000000000000000000000000000000000??00000000000000000000000000000000?00000000000010?000000?0000000000000000000?00000000000000000000000000??00000?000001000000000001100?0000000000000000000000000000000000000000000000000000??00000000000000 Titanosaurus_colberti ?????????????????????????????????????????????????????????????????????????????1??110000100??101011010100?1103120??????10?001101100001010???1??10?11?0101010????1101111101???????????????111110110111??????????????????????????????????????? Vulcanodon ????????????????0????????????????????????????????????????????????????????????0?????????????????????????????1????0??0?00???????100001????????????00??10?????????1010?11101001????0???????1???00010101010???000?00001000010?100100100?011000 ; END; [ The following blocks are output data for analysis step 9666 ] BEGIN TREES; TITLE Sauropoda_Phylogeny; LINK TAXA = TaxaForAnalysisStep9666; TREE Fig._4 = [&R] (Theropoda,(Prosauropoda,(Vulcanodon,(Shunosaurus,(Barapasaurus,Patagosaurus,(Omeisaurus,Mamenchisaurus),(Jobaria,((Haplocanthosaurus,(((Apatosaurus,(Barosaurus,Diplodocus)),(Dicraeosaurus,Amargasaurus)),(Nigersaurus,Rayososaurus,Rebbachisaurus))),(Camarasaurus,(Brachiosaurus,(Euhelopus,(Malawisaurus,(Nemegtosaurus,Rapetosaurus,Titanosaurus_colberti,Atacamatitan_chilensis,((Alamosaurus,Opisthocoelicaudia),(Neuquensaurus,Saltasaurus)))))))))))))); [! TreeBASE tree URI: http://purl.org/phylo/treebase/phylows/tree/TB2:Tr55249] END;