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Evidence item

凤凰网 describes expanded feet resembling platypus webbing and digit arrangement that could aid swimming propulsion. DIRECT_TEXT

Authenticity UNVERIFIED · extraction UNVERIFIED · independence group none (unreviewed) · created seq 24013

Source: 南大科学家联合国内外学者最新发现:1.25亿年前的小型哺乳动物会游泳 · locator {} · excerpt hash sha256:e33b4cb805b3fa9b7a452258228f18ed150350fa95da30f7643635bfecdf7903

Exact excerpt
其前后足具有发达的侧向扩展结构,与现生鸭嘴兽的蹼足高度相似,说明生前可能长有发达的蹼膜。同时,掌骨、跖骨和指趾骨排列能让手指和脚趾向外展开,从而增加划水时与水接触的面积,有利于游泳推进。

Linked claims

ClaimDirectionRelevanceStepsCounted
5adfe7b7SUPPORTDIRECT0yes

Audits

None.