AMNH FR 30587 保存了近完整、无齿且体态纤细的主龙类骨架；论文的性状分析将其置于伪鳄类，和似鸟龙类兽脚类的相似性被解释为趋同，而非共同直系祖先或相同生态。
claim:event:effigia-convergent-body-plan图谱首页 / 参考文献 / Extreme convergence in the body plans of an early suchian (Archosauria) and ornithomimid dinosaurs (Theropoda)
参考文献 / paperExtreme convergence in the body plans of an early suchian (Archosauria) and ornithomimid dinosaurs (Theropoda)
Nesbitt, S.J.; Norell, M.A.
年份2006
来源角色primary-study
DOI / ID10.1098/rspb.2005.3426
适用范围
形态 · 拓扑 · methods
The nearly complete AMNH FR 30587 skeleton anchors the anatomical comparison; suchian placement and convergence are character-matrix interpretations, not ancestry or identical ecology.