"vto-namespace"^^ . . . "NCBITaxon:32523"^^ . "VTO:0001465"^^ . "Stegocephali"^^ . "PaleoDB:137279"^^ . "Tetrapoda is here defined as \u201CThe first organisms derived from Sarcopterygians that possessed digits homologous with those in Homo sapiens, and all its descendants\u201D (Ahlberg and Clack 1998, Anderson 2002)"^^ . "Tetrapoda"^^ .