Lesson plan
Pteraspis
Pteraspis (from 'wing' or 'fin' and 'shield') is an extinct genus of pteraspidid heterostracan jawless fish. It existed from the Lochkovian to Eifelian epochs of the Devonian period in areas that are now the Americas and Europe.
Article summary
Pteraspis (from 'wing' or 'fin' and 'shield') is an extinct genus of pteraspidid heterostracan jawless fish. It existed from the Lochkovian to Eifelian epochs of the Devonian period in areas that are now the Americas and Europe.
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Discussion questions
- Summarise the article in your own words. Which single claim would you verify first, and why?
- Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
- If two sources disagreed about one of these facts, what would you need in order to trust one over the other?
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