颅动物系统综述把传统披甲化石“无颌类”分置于有颌脊椎动物干系的多个谱系。因此“甲胄鱼类”仅保留为历史导航级，不是单系分类单元、直接祖先或具有全球边界的延限。
claim:taxon:ostracodermi图谱首页 / 参考文献 / The phylogeny of the Craniata, with particular reference to the significance of fossil ‘agnathans’
参考文献 / paperThe phylogeny of the Craniata, with particular reference to the significance of fossil ‘agnathans’
Janvier, P.
年份1981
来源角色systematic-review
DOI / ID10.1080/02724634.1981.10011886
适用范围
taxonomy · 拓扑
Treats traditional ostracoderms as multiple armored jawless lineages rather than one natural clade.