![Lee on X: "@LadyNaturalist @AlongsideWild Here is the fossil shark # Cladoselache with a "pocket head" invertebrate #Concavicaris in its stomach! At 360 MILLION years old, @CMNHvertpaleo fossils represent some of the oldest Lee on X: "@LadyNaturalist @AlongsideWild Here is the fossil shark # Cladoselache with a "pocket head" invertebrate #Concavicaris in its stomach! At 360 MILLION years old, @CMNHvertpaleo fossils represent some of the oldest](https://pbs.twimg.com/media/DWvra34W0AAdSpE.jpg)
Lee on X: "@LadyNaturalist @AlongsideWild Here is the fossil shark # Cladoselache with a "pocket head" invertebrate #Concavicaris in its stomach! At 360 MILLION years old, @CMNHvertpaleo fossils represent some of the oldest
![Cladoselache – A Very Primative Fossil Shark – One Of The First Jawed Vertebrates Nature Stock Video Footage Cladoselache – A Very Primative Fossil Shark – One Of The First Jawed Vertebrates Nature Stock Video Footage](https://video.naturefootage.com/previews/stills_compressed/CD01/CD01_012_optimized.jpg)
Cladoselache – A Very Primative Fossil Shark – One Of The First Jawed Vertebrates Nature Stock Video Footage
![Two Devonian primitive sharks of the genus Cladoselache attack a school... | Download Scientific Diagram Two Devonian primitive sharks of the genus Cladoselache attack a school... | Download Scientific Diagram](https://www.researchgate.net/profile/Israel-Sanchez-6/publication/313053422/figure/fig9/AS:668882041831442@1536485314321/Eusthenopteron-chases-Dipterus-in-an-Upper-Devonian-lake-The-high-degree-of-conservation_Q320.jpg)
Two Devonian primitive sharks of the genus Cladoselache attack a school... | Download Scientific Diagram
![File:Cladoselache sp. (fossil shark) (Cleveland Shale Member, Ohio Shale, Upper Devonian; Rocky River Valley, Cleveland, Ohio, USA) 1 (33355976530).jpg - Wikimedia Commons File:Cladoselache sp. (fossil shark) (Cleveland Shale Member, Ohio Shale, Upper Devonian; Rocky River Valley, Cleveland, Ohio, USA) 1 (33355976530).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/5/54/Cladoselache_sp._%28fossil_shark%29_%28Cleveland_Shale_Member%2C_Ohio_Shale%2C_Upper_Devonian%3B_Rocky_River_Valley%2C_Cleveland%2C_Ohio%2C_USA%29_1_%2833355976530%29.jpg)
File:Cladoselache sp. (fossil shark) (Cleveland Shale Member, Ohio Shale, Upper Devonian; Rocky River Valley, Cleveland, Ohio, USA) 1 (33355976530).jpg - Wikimedia Commons
![Two Devonian primitive sharks of the genus Cladoselache attack a school... | Download Scientific Diagram Two Devonian primitive sharks of the genus Cladoselache attack a school... | Download Scientific Diagram](https://www.researchgate.net/profile/Israel-Sanchez-6/publication/313053422/figure/fig8/AS:668882041835535@1536485314174/Two-Devonian-primitive-sharks-of-the-genus-Cladoselache-attack-a-school-of-cephalopods_Q320.jpg)