Portal:Paleontology/DYK/61

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... that highlights from 19th century ichnology include the discovery of protomammal tracks in England, dinosaur footprints in Massachusetts, and the mysterious hand-shaped Chirotherium tracks (pictured)?

A skeltal mount of Apatosaurus accompanied by sauropod footprints excavated in Texas
A skeltal mount of Apatosaurus accompanied by sauropod footprints excavated in Texas