Sentences with phrase «remaining tetrapods»
Far more surprising, however, is the fact that this pattern is not evident among the remaining tetrapods.
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In late 2016, team members described five new species of tetrapod and identified fragmentary remains of at least seven more, all from the Romer's Gap era.
This crucial evolutionary transition is preserved in the fossilised remains of animals called stem tetrapods, which have some features of fish and some of four - legged animals.
However, the transitional path between fin structural elements in fish and limbs in tetrapods remains elusive.
However, the most of basal bones located in the anterior side (i.e. the thumb side in the human limb) were lost in early tetrapods, and only the most posterior bone remained as the «humerus (i.e. the upper arm of humans).»
«The pattern of co-occurring species remained stable through the evolution of land organisms from the earliest tetrapods through dinosaurs, flowering plants and mammals,» said Anna K. Behrensmeyer, a paleobiologist with the Smithsonian's Museum of Natural History and a co-author of the study.