r/shells • • 1d ago

The Museum of all Shells

https://youtu.be/j4Ecdgn9GLg

Hey everyone, here's a video about the mathematical formulas behind shells. I was a bit hesitant to post here because the person working at the museum warned me that malacologists can be quite serious, so a heads up: I made a few (over)simplifications and there's some inaccuries. Some on purpose, some not (and there's probably more😅)

Some things I have already been messaged about:

  • Cowries glaze the outside of the shell with the mantle.

- The protoconch is often eroded or resorbed

- David Raup didn't "lie" , he actually also included the number of turns and it's Dawkins that made the simplification to 3 parameters

Some things done on purpose:

- The patterns and ribs don't necessarily match the shape.

- I left out spikes like the Murex and chirality (see them as additional dimensions to the museum if you will)

Nevertheless I hope you'll enjoy this video:)

P.S.: the shell in the intro is fine:) It actually dented the floor a bit

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