Dec 11, 2025
48" Green River Fossil Fish "Mural" - Wyoming
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48" Green River Fossil Fish "Mural" - Wyoming
Spinosaurus drama is cool and things, but do you know what's even cooler? Better fossils of animals that lived with Spinosaurus!
There is a new specimen of Concavotectum currently on display in Tuscon. BigSkyFossils took some photos of it and I had to doodle it! It's been a while since I did a tselfatiform and now we have finally an idea how the postcranium looked like!
So far we only had a few fragments and this pretty good skull. As some people noted though, the eye is reconstructed in the wrong corner.
#Paleostream 14/03/2026
results of this week's #Paleostream flocking
today we sketched Tusciziphius, Cyrtograptus, Callawayia, and Doryaspis
Don’t mess with this fish! For Fossil Friday, let’s meet Dunkleosteus terrelli. It lived some 360 million years ago during the Devonian. Scientists think it was one of the first large jawed vertebrates in the ocean and an aggressive predator. The razor-sharp edges of bones in its jaws served as cutters, and as they rubbed against each other, the opposing jaw blades acted like self-sharpening shears. These bones continued to grow as they were worn down by use.
This specimen, on display in the Museum’s Hall of Vertebrate Origins, was found in Ohio. Spot Dunkleosteus and other prehistoric animals at the Museum! Plan your visit.
Photo: Image no. ptc-5861 © AMNH Library
Who do those spooky glowing eyes belong to!? Surprise! A coelacanth! Come adopt these spooky cuties before they go back into the deep deep sea!
Shop Fine arts and toys! by eattoast located in Taneytown, Maryland. Smooth shipping! Has a history of shipping on time with tracking. Speed
From Fantastic Four #11, February 1963. Stan Lee script, Jack Kirby pencils, Dick Ayers inks, Stan Goldberg colors, Artie Simek letters.
Info from Grand Comics Database
The following is a digital doodle of a Allenypterus that I made. I did this as practice, I hope y'all like this drawing of this prehistoric Coelacanth.
Happy Fossil Friday!
Who: Coelacanthiformes
What: Coelacanths! Large lobe-finned fish from the Class Actinistia, a close relative of the lungfish.
When (group): Devonian - Present (thought to have gone extinct during the End-Cretaceous extinction event, but members of the group were "rediscovered" in 1938)
Where: (Living representatives) along the east African coast and the Comoros Archipelago in the Indian Ocean.
(Fossil representatives) England, Czech Republic, France, Germany, India, Switzerland, Brazil, Democratic Republic of the Congo, China, Uruguay, USA, and more.
Fun Fact!: There are two living speices (that we know of) of Coelacanth: Latimeria chalumnae & Latimeria menadoensis
Here is a link to an article for the story of how this "living-fossil" was rediscovered by the scientific community and the museum curator who's quick thinking and determination helped bring this animal back into the spotlight.
Why are they cool?: Instead of the bony vertebral column shared by other vertebrates the coelacanth retains the ancestral fluid filled notochord which is less rigid than vertebrae, but offers more flexibility.
Image Credits: (Left) Coelacantheformes Fossil From the Natural History Museum of Bamberg & (Right) Laurent Ballesta - Gombessa Expéditions