Ever Want to Curl Into a Ball? Fossils Show How Trilobites D

Fossils collected more than 150 years ago show that the techniques some creatures use for defensive curling have not changed in millions of years.

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Sarah Losso , Jorge Esteve , Charles Doolittle Walcott , Complutense University Of Madrid , Museum Of Comparative Zoology At Harvard University , Proceedings Of The Royal Society , Harvard University , Paleozoic Era , New York , Walcott Rust Quarry , Comparative Zoology , Complutense University , , Fossil , Anatomy And Physiology , Paleontology , Animal Behavior , Fish , Research , Proceedings Of The Royal Society B , Your Feed Science , Your Feed Animals ,