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eubrachythoracid (plural eubrachythoracids)

  1. Any arthrodire of the clade Eubrachythoraci
    • 2009 February 26, John A. Long et al., “Devonian arthrodire embryos and the origin of internal fertilization in vertebrates”, in Nature, volume 457, number 7233, DOI:10.1038/nature07732, pages 1124-1127:
      The presence of embryos in the arthrodire Incisoscutum indicate that internal fertilization was the main reproductive mode for this species, and that viviparity could have evolved in other eubrachythoracid arthrodires.