Bothriolepis - a devonian cataphract

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Todays first Ecological Horror is the Jakaelopterus!

The Jakaelopterus was a Devonian horror and also the largest arthropod to ever exist. These were apex predator Sea Scorpions that could grow up to 9 feet long. They went extinct around 252 million years ago!

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The sea spider, Palaeoisopus, found in the Devonian Hunsrück Slate

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Another old drawing for the Devonian lungfish Griphognathus

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Extending some of the existing dimensions to make them feel more diverse and large-scale. This is a revision of the Devonian habitat.

https://t.co/6RkXdF5LYj

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Orthodenkians, Devonians, Seiznirs, Belemarans

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September 9, 1794, birthday of William Lonsdale, based on his research on fossils in Devon (UK) in 1839 the Devonian was introduced into the chrono-stratigraphic column
https://t.co/M6ubsw4Pp0

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sharks lived from the Late Devonian to Late Carboniferous epoch, dying out around 298.9 million years ago. Fossils have been found in Asia, Europe and North America.

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Goldringia from the Devonian era joins the fight https://t.co/nrtU7eCNNr

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bro WHAT was going down in the devonian period

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It's indeed a coral, but probably some larger Devonian coral, like Pleurodictyum. It's quite common in Ontario and northern NY (pink areas on this map).

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Found this figure in a paper about the first evidence of claspers in placoderms
The Devonian must have been a wild time

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head swimming with thoughts

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Dunkleosteus terrelli

(Based on the edited skeletal made by Tyler Greenfield)

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The Devonian saw Earth’s first forests as lycophytes, horsetails and ferns grew to large sizes. The first ammonites appeared in the oceans and cartilaginous fish such as sharks and rays were abundant by the late Devonian. Lots of tectonic activity and Pangaea began to form 🌎

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Devonian landscape - arborescent lycopsid and Rhynia

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Meet Edenopteron: a large predatory fish known from the Late Devonian of Australia. It was among the largest of the Tristichopterids and bore large, fang-like teeth; serving as one of the top predators of its time.

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Open ocean view during the Late Devonian (left) and today (right). This is one of the illustrations I did for the 2nd book of the “Extinct” book series, which main star is Dunkleosteus (here seen about to catch some ammonites). The first 3 books are out TODAY!

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