Scientists Discover 380 Million Year Old Heart

Paleontologists discovered a heart that is 380 million years old - the oldest known

Along with a fossilized stomach, liver, and intestine from an ancient jawed fish. 

This discovery sheds new light on how our bodies evolved. The research provided vital evolutionary clues. 

It found that the location of the organs in arthrodires' bodies is very similar to modern shark anatomy. 

Arthrodire is an extinct group of armoured fishes which flourished during the Devonian period (419.2 million to 358.9 million years ago). 

Journal Science published the study on September 15, 2022. 

380 Million Year Old Heart And Stomach Images

Professor Trinajstic stated, "As a Paleontologists studying fossils for over 20 years,

It was truly amazing to find a 3D heart and beautifully preserved body in a 380 million-year-old ancestral."