In 1990, fossil collectors in South Dakota stumbled upon a dinosaur that turned out to be very interesting. Not just because it was a T. rex – basically the most popular dinosaur – or because it ended up in the famous Field Museum in Chicago… but because of the number of bones it contained.

LEARN MORE
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To learn more about this topic, start your Google search with these keywords:
– Taphonomy: the branch of paleontology which deals with fossilization processes
– Debris flow: a moving mass of loose mud, sand, soil, rock, water and air that moves down a slope under the influence of gravity.

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CREDITS
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Kate Yoshida Screenwriter, Narrator and Director
Arcadi Garcia i Rius Illustration, Video Editing and Animation
Nathaniel Schroeder Music

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OUR TEAM
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Lizah van der Aart, Sarah Berman, Cameron Duke
Arcadi Garcia and Rius • David Goldenberg • Melissa Hayes
Alex Reich • Henry Reich • Peter Reich
Ever Salazar, Leonardo Souza, Kate Yoshida

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THE REFERENCES
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David A. (2013). Evidence for taphonomic size bias in the Dinosaur Park Formation (Campanian, Alberta), a model terrestrial alluvial-paralic system of the Mesozoic. Paleogeography, Paleoclimatology, Paleoecology, 372(), 108-122. doi:10.1016/j.palaeo.2012.06.027

Cashmore, D.D. & Butler, R.J. (2019). Skeletal completeness of the non-avian theropod dinosaur fossil record. Paleontology, 62(6), 951-981. https://doi.org/10.1111/pala.12436

Cashmore, D.D., Mannion, P.D., Upchurch, P., & Butler, RJ (2020). Ten more years of discoveries: revisiting the quality of the sauropodomorph dinosaur fossil record. Paleontology, 63(6), 951-978. https://doi.org/10.5061/dryad.6hdr7sqxb

Dean, CD, Mannion, PD, & Butler, RJ (2016). Conservation bias controls the pterosaur fossil record. Paleontology, 59(2), 225-247. https://doi.org/10.1111/pala.12225

Mannion, P.D. and Upchurch, P. (2010). Measures of completeness and quality of the sauropodomorph fossil record across geologic and historical time. Paleobiology, 36(2), 283-302. http://dx.doi.org/10.2307/40792289

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