网络释义专业释义英英释义
硬齿鸭嘴兽（Steropodon） 一种小型有刺的哺乳类动物，发现于白垩纪晚期的澳洲。 硬齿鸭嘴兽（Steropodon galmani）是一种史前的单孔目，或是产卵的哺乳动...
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Steropodon galmani 硬齿鸭嘴兽
Steropodon
- abstract: Steropodon galmani was a prehistoric species of monotreme, or egg-laying mammal, that lived during the middle Albian stage, in the Lower Cretaceous period. It is the second-earliest known relative of the platypus.
以上来源于: WordNet
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