| 1. | "Eunotosaurus " was considered the ancestor of turtles up until the late 1940s.
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| 2. | "Eunotosaurus " was assigned to its own family, Eunotosauridae, in 1954.
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| 3. | The study identified several features that united " Eunotosaurus " with turtles in a true clade.
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| 4. | In 2000, " Eunotosaurus " was placed in the clade Parareptilia, separate from turtles and cotylosaurs.
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| 5. | "Eunotosaurus " was incorporated in a recent 2010 phylogenetic analysis that sought to determine the origin of turtles.
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| 6. | While the third phase is unique to " Eunotosaurus ", the second phase is also seen in modern turtles.
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| 7. | If " Eunotosaurus " is close to the ancestry of turtles, it may have had similar sets of muscles.
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| 8. | While relatively rare, " Eunotosaurus " is common enough in the Karoo to be used as a biostratigraphic marker.
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| 9. | However, more recent fossil finds have shown that " Eunotosaurus " is a parareptile unrelated to either turtles or captorhinids.
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| 10. | In each rib of " Eunotosaurus ", the posterior surface of the lower ridge has Sharpey's fibers embedded in it.
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