Acanthostega

A Dictionary of Zoology

Acanthostega See ICHTHYOSTEGA.
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© A Dictionary of Zoology 1999, originally published by Oxford University Press 1999.

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	Acanthostega Acanthostega See ICHTHYOSTEGA . Read more
	Ichthyostega ...of amphibians that, together with Ichthyostegopsis and Acanthostega , first appeared in the Upper Devonian . Ichthyostega shows...on the hind feet (the forefeet are still unknown), and Acanthostega had eight on both fore and hind feet. Read more
	Ichthyostega ...more complete specimens, is that they had more than the five digits per limb that characterize modern tetrapods: Ichthyostega had seven on the hind feet (the forefeet are still unknown), and Acanthostega had eight on both fore-and hind feet. Read more

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