Summary There are many fossils that challenge our ability to form even the most basic idea of how a living thing looked, or lived, or functioned. One of the longest-running of these mysteries involved a 270-million-year-old sea creature called Helicoprion that once swam the seas around the supercontinent of Pangea.
Directed : Unknown
Written : Unknown
Stars : Blake de Pastino Kallie Moore Hank Green Michelle Barboza-Ramirez
Genres : Documentary
Release date : Sep 10, 2017
Countries of origin : United States
Official sites : Official YouTube Channel PBS
Language : English
Production companies : PBS Digital Studios
Summary There are many fossils that challenge our ability to form even the most basic idea of how a living thing looked, or lived, or functioned. One of the longest-running of these mysteries involved a 270-million-year-old sea creature called Helicoprion that once swam the seas around the supercontinent of Pangea.
Genres : Documentary
Release date : Sep 10, 2017
Countries of origin : United States
Official sites : Official YouTube Channel PBS
Language : English
Production companies : PBS Digital Studios
