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"Stingray prepared by R. Lee Craig" by Seth Sorensen / CC BY- SA 4.0
This picture shows a fossil of an ancient animal called Asterotrygon. The fossil preserves the shape of Asterotrygon's body.
Asterotrygon was a type of fish. It lived in lakes and gave birth to live young.
Which traits did Asterotrygon have? Select the traits you can observe on the fossil.
spots on its skin
four legs
a long, thin tail
a wide tail fin
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