Season 1- Episode XIII: Ancient Ammonoids

Sources:

https://www.bgs.ac.uk/discoveringGeology/time/Fossilfocus/ammonite.html

https://www.amnh.org/exhibitions/permanent/grand-gallery/ammonite

https://phys.org/news/2010-12-ammonites-eaten-fellow-cephalopods.html

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4697401/

https://soils.wisc.edu/facstaff/barak/virtual_museum/aragonite/aragonite_tx.html

https://academic.oup.com/mollus/article/82/2/351/2607369

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2633788/

https://www.oxfordhandbooks.com/view/10.1093/oxfordhb/9780190456757.001.0001/oxfordhb-9780190456757-e-29#:~:text=The%20Vertical%20Lobe%20Is%20Involved,Maldonado%2C%201963%2C%201964).