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The following bibliography has been generated by bringing together all references provided by our content partners. There may be duplication.


  • Arendt, D.; Technau, U.; Wittbrodt, J. 2001. "Evolution of the bilaterian larval foregut". Nature 409 (6816): 81–85. doi:10.1038/35051075. PMID 11343117
  • Hejnol, A; Martindale, Mq (Nov 2008). "Acoel development indicates the independent evolution of the bilaterian mouth and anus.". Nature 456 (7220): 382–6. doi:10.1038/nature07309. ISSN 0028-0836. PMID 18806777


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