![Astonishing” 500-Million-Year-Old Fossilized Brains Prompt a Rethink of the Evolution of Insects and Spiders Astonishing” 500-Million-Year-Old Fossilized Brains Prompt a Rethink of the Evolution of Insects and Spiders](https://scitechdaily.com/images/Stanleycaris-hirpex.jpg)
Astonishing” 500-Million-Year-Old Fossilized Brains Prompt a Rethink of the Evolution of Insects and Spiders
Sabrina Cappelli: Blossoming Marcel Mazzuca: Obstruction Amanda Arcuri: Spiral Joanna Katchutas: Aegis Michael Calcada: Seren
![Maryam A. on Twitter: "Half a billion year old fossilized arthropod with three eyes and preserved neuroanatomy? All is possible with the #BurgessShale! New research on Stanleycaris hirpex by @CambroJoe & @ROMtoronto's Maryam A. on Twitter: "Half a billion year old fossilized arthropod with three eyes and preserved neuroanatomy? All is possible with the #BurgessShale! New research on Stanleycaris hirpex by @CambroJoe & @ROMtoronto's](https://pbs.twimg.com/media/FXZnZr_XgAA6rmr.jpg:large)
Maryam A. on Twitter: "Half a billion year old fossilized arthropod with three eyes and preserved neuroanatomy? All is possible with the #BurgessShale! New research on Stanleycaris hirpex by @CambroJoe & @ROMtoronto's
![500-Million-Year-Old Fossilized Brains of Stanleycaris Prompt a Rethink of the Evolution of Insects and Spiders | Royal Ontario Museum 500-Million-Year-Old Fossilized Brains of Stanleycaris Prompt a Rethink of the Evolution of Insects and Spiders | Royal Ontario Museum](https://www.rom.on.ca/sites/default/files/imce/stanleycaris_whitebk.jpg)
500-Million-Year-Old Fossilized Brains of Stanleycaris Prompt a Rethink of the Evolution of Insects and Spiders | Royal Ontario Museum
![500-million-year-old fossilized brains of Stanleycaris prompt a rethink of the evolution of insects and spiders 500-million-year-old fossilized brains of Stanleycaris prompt a rethink of the evolution of insects and spiders](https://scx2.b-cdn.net/gfx/news/hires/2022/500-million-year-old-f.jpg)
500-million-year-old fossilized brains of Stanleycaris prompt a rethink of the evolution of insects and spiders
![Astonishing” 500-Million-Year-Old Fossilized Brains Prompt a Rethink of the Evolution of Insects and Spiders Astonishing” 500-Million-Year-Old Fossilized Brains Prompt a Rethink of the Evolution of Insects and Spiders](https://scitechdaily.com/images/Stanleycaris-hirpex-Reconstruction.jpg)