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#FossilFishWeek as one last contribution I offer a collection of the biggest fish megafauna that extend from the Late Siluria to the Early Permian comprising a time period of around 150 million years which fishes diversified and became extinct to be replaced by new waves.
Cotylorhynchus is the best known of all the giant caseids with complete remains from C. romeri with 3 meters, and the bigger C. hancocki from San Angelo Formation with varied fossil specimens, some that once belong to an animal that reached its 6 meters in length.
At the end of the Early Permian Caseids reached the size limits any pelicosaur could grow, being Alierasaurus ronchii, from Sandinia, the biggest of all with a estimated length of 6 to 7 m, probably the largest land tetrapod of the paleozoic known.
#PortfolioDay have some of my random pieces either fictional and paleoart
#Spectember day 27
Inspired by Mette and her last entries I did something related to Yoshi probably ancestry, and ended up making it as a high derived armoured sauropodomorph that diverged and survived though two eras as an armoured small animal that evolved into what we see.
Joining #NobodyArtistClub, I'm an hobbystic artist aspiring to professional one day, drawing different types of creatures as real as fictional from prehistoric life to speculative biology
A large theropod from the Elliot Formation, Dracovenator regenti lived in the early jurassic of South Africa being a major predator of the varied herbivores that existed in the region, including small sauropodomorphs and the minuscule ornithischians.
One of the earliest known ornithischian from the Early Jurassic of South Africa, Lesothosaurus was a small gracile herbivore (or potentially omnivore) of not more than 2 m long, alongside many small Heterodontosaurs they lived on the shadows of the big animals.