JackTamisiea on Twitter: "Completely floored by this remarkably preserved Opabinia regalis fossil (the lectotype specimen of the species) at the @NMNH! With five eyes and a trunk-like nozzle, paleontologist Stephen J Gould
![Opabinia regalis Walcott, 1912; USNM 155600 preserved in lateral view.... | Download Scientific Diagram Opabinia regalis Walcott, 1912; USNM 155600 preserved in lateral view.... | Download Scientific Diagram](https://www.researchgate.net/publication/273324035/figure/fig1/AS:601654793629718@1520457089744/Opabinia-regalis-Walcott-1912-USNM-155600-preserved-in-lateral-view-a-b-Counterpart.png)
Opabinia regalis Walcott, 1912; USNM 155600 preserved in lateral view.... | Download Scientific Diagram
Comparison of Opabinia regalis Walcott, 1912 from the Burgess Shale... | Download Scientific Diagram
![Extraordinary fossils reveal the nature of Cambrian life: a commentary on Whittington (1975) 'The enigmatic animal Opabinia regalis, Middle Cambrian, Burgess Shale, British Columbia' | Philosophical Transactions of the Royal Society B: Extraordinary fossils reveal the nature of Cambrian life: a commentary on Whittington (1975) 'The enigmatic animal Opabinia regalis, Middle Cambrian, Burgess Shale, British Columbia' | Philosophical Transactions of the Royal Society B:](https://royalsocietypublishing.org/cms/asset/3ba6c86b-94d7-48b5-bfeb-deda2a1d5a2f/rstb20140313f02.jpg)
Extraordinary fossils reveal the nature of Cambrian life: a commentary on Whittington (1975) 'The enigmatic animal Opabinia regalis, Middle Cambrian, Burgess Shale, British Columbia' | Philosophical Transactions of the Royal Society B:
![Extraordinary fossils reveal the nature of Cambrian life: a commentary on Whittington (1975) 'The enigmatic animal Opabinia regalis, Middle Cambrian, Burgess Shale, British Columbia' | Philosophical Transactions of the Royal Society B: Extraordinary fossils reveal the nature of Cambrian life: a commentary on Whittington (1975) 'The enigmatic animal Opabinia regalis, Middle Cambrian, Burgess Shale, British Columbia' | Philosophical Transactions of the Royal Society B:](https://royalsocietypublishing.org/cms/asset/4ab7f6f1-9598-41db-8e79-3b1a83da05db/rstb20140313f04.jpg)