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](http://upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Apatosaurus_and_trackway.jpg/75px-Apatosaurus_and_trackway.jpg)
- ... that during the 20th century, the first large-scale excavation of dinosaur footprints was undertaken in Texas for an exhibit at the American Museum of Natural History?