310-million-year-old horseshoe crab brain is very similar to modern-day creature’s
Scientists say 310-million-year-old horseshoe crab fossil found in Illinois creek shows the crustacean species’ brain has barely evolved since then The intact brain anatomy of a 310-million-year-old horseshoe crab shows it has remained nearly unchanged throughout most of its evolutionary history The fossil was compared with that of a modern-day juvenile horseshow crab Experts found … Read more