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First an alga, then a squid, enigmatic fossil is actually a fish

20:00 EDT 15 Apr 2018 | AAAS

(American Museum of Natural History) A fossil slab discovered in Kansas 70 years ago and twice misidentified -- first as a green alga and then as a cephalopod -- has been reinterpreted as the preserved remains of a large cartilaginous fish, the group that includes sharks and rays. In a study published in the Journal of Paleontology, American Museum of Natural History researchers describe the fishy characteristics of the animal, which lived between 70-85 million years ago.

Original Article: First an alga, then a squid, enigmatic fossil is actually a fish

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