#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 August 26, 2026; 19:38 GMT

TreeBASE (cc) 1994-2008

Study reference:
Fernández-baldor F.T., Canudo J.I., Huerta P., Montero D., Suberbiola X.P., & Salgado
L. 2011. Demandasaurus darwini, a new rebbachisaurid sauropod from the Early
Cretaceous of the Iberian Peninsula. Acta Palaeontologica Polonica, 56(3): 535-552.

TreeBASE Study URI:  http://purl.org/phylo/treebase/phylows/study/TB2:S13045]

[ The following blocks are input data for analysis step 9703 ]
BEGIN TAXA;
        TITLE  TaxaForAnalysisStep9703;
        DIMENSIONS NTAX=16;
        TAXLABELS
            Amargasaurus
            Apatosaurus
            Brachytrachelopan
            Cathartesaura
            Demandasaurus_darwini
            Dicraeosaurus
            Diplodocus
            Histriasaurus
            Jobaria
            Limaysaurus
            Macronaria
            Nigersaurus
            Omeisaurus
            Rebbachisaurus
            Suuwassea
            Zapalasaurus
            ;
END;

BEGIN CHARACTERS;
[! TreeBASE Matrix URI: http://purl.org/phylo/treebase/phylows/matrix/TB2:M13721]

	TITLE Character_Matrix;
	LINK TAXA = TaxaForAnalysisStep9703;
	DIMENSIONS NCHAR=102;
	FORMAT DATATYPE=Standard SYMBOLS= "0 1 2 3 4" MISSING=? GAP= -;

MATRIX
[                                 10        20        30        40        50        60        70        80        90        100  ]
[                                  .         .         .         .         .         .         .         .         .         .  ]
Amargasaurus              ????????0???00011?110???0111111?????????00013110000?1??10100?130111????11????????????1???0??10????????
Apatosaurus               100111201111110011010102001000112201021110014100100011100000103100111100010011011011110000101011000101
Brachytrachelopan         ????????????????????????????????????????000??11??0011??111?1?110111?1??11????????????1????????????????
Cathartesaura             ???????????????????????????????????????????????0010?0?01?011?????????0????0001100??????112????????????
Demandasaurus_darwini     ?0?????????????????????????????0????001?111??00011?10000???????1?111110?10110?0010???10????????011101?
Dicraeosaurus             101?????????000111110???011110112211021101012110000111111101111011110001110010011011?100?0011111000101
Diplodocus                100111201111110011010102001000112201021110014?01100011100011103100111000010011011111110010011011000101
Histriasaurus             ????????????????????????????????????????101????????????????????1?10???????????????????????????????????
Jobaria                   010000111000000010000011000?00001110110010003000000?011000?0??1000011000000000?00?00?000010010001000?0
Limaysaurus               ????????01?10010010?10121010?11??????2??111??000?10?00000000???11100001?000001100?11?11112000000110000
Macronaria                010000111000000010010011000000001110011010003000000001100000??1100010000000000?00?00?01001001000100000
Nigersaurus               00010110?1??001000??10121011011022120201111?300110110???0?00??11?110111???1101????11?1?10201010?11101?
Omeisaurus                010000101000000010000011??0??0001110111?100?4001000001100000??1100010000000000?00??0?000000?10000?0??1
Rebbachisaurus            ???????????????????????????????????2?2??111????????????????????111011?10???????????????1?20?00??1?????
Suuwassea                 ??1????????????0?111000?00?0001?????02??100140001000101000?001?100??????????1?????00?100111111???????1
Zapalasaurus              ?????????????????????????????????????????????000?0???????0????????????????????1???????????????001?00??
;
END;

[ The following blocks are output data for analysis step 9703 ]
BEGIN TREES;
      TITLE Results;
      LINK TAXA = TaxaForAnalysisStep9703;
      TREE Figure_14A = [&R] (Omeisaurus,(Jobaria,Macronaria,((Suuwassea,(Apatosaurus,Diplodocus),(Amargasaurus,(Brachytrachelopan,Dicraeosaurus))),(Histriasaurus,(Limaysaurus,Rebbachisaurus,Cathartesaura,Zapalasaurus,(Nigersaurus,Demandasaurus_darwini))))));
[!  TreeBASE tree URI: http://purl.org/phylo/treebase/phylows/tree/TB2:Tr55317]


END;