This 444 Million-Year-Old Arthropod Was Fossilized Inside Out
[html]Meet Keurbos susanae, the inside-out fossil named after the discoverer’s mom.[/html]
Source: This 444 Million-Year-Old Arthropod Was Fossilized Inside Out (http://ht**://www.discovermagazine.c**/the-sciences/this-444-million-year-old-arthropod-was-fossilized-inside-out)