Mosasauroidea（沧龙超科）与 Mosasauridae（沧龙科）不可互换：前者是范围更广的支系定义沧龙超科，后者是节点定义的科；Dallasaurus 的解剖还表明科级归属与完全鳍桨化肢体是两个不同问题。
claim:event:mosasauroid-clade-boundaries沧龙超科范围大于沧龙科
Explicit phylogenetic definitions separate broad Mosasauroidea from node-defined Mosasauridae, while Dallasaurus shows that family placement need not imply fully paddle-like limbs.
呈现年代范围100.5–89.8 Ma
地区Cretaceous mosasauroid records; middle Turonian of north-central Texas
相关类群Mosasauroidea · Mosasauridae · Dallasaurus turneri
主张账本
参考文献
- Inferring weak spots in phylogenetic trees: application to mosasauroid nomenclatureMadzia, D.; Cau, A. · 2017 · DOI 10.7717/peerj.3782
- Dallasaurus turneri, a new primitive mosasauroid from the Middle Turonian of Texas and comments on the phylogeny of Mosasauridae (Squamata)Bell, G.L. Jr; Polcyn, M.J. · 2005 · DOI 10.1017/S0016774600020965