Lesson plan

Terminasteridae

Terminasteridae is a family of fossil starfish which lived from the Jurassic to Cretaceous periods. It was erected in 2011 as a monotypic group to contain only the type genus Terminaster (which it is named after). A second genus, Alkaidia, was originally described as a member of the extant family Benthopectinidae, but was transferred to Terminasteridae in 2020.

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Article summary

Terminasteridae is a family of fossil starfish which lived from the Jurassic to Cretaceous periods. It was erected in 2011 as a monotypic group to contain only the type genus Terminaster (which it is named after). A second genus, Alkaidia, was originally described as a member of the extant family Benthopectinidae, but was transferred to Terminasteridae in 2020.

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Discussion questions

  1. Summarise the article in your own words. Which single claim would you verify first, and why?
  2. Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
  3. 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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