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

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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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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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OK, all you exceptional eels & elvers, it's time for the revEEL. This week's featured creature is a sneaky imposter or what I like to call a coEELacanth. Meet an eel-like coelacanth that lived in the mid-Devonian ~385 million years ago.

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Anglaspis from the Horizon Lower Devonian

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パレオカリヌス Palaeocharinus rhyniensis
頑丈な脚と鋸歯状の顔をもつデボン紀のワレイタムシ類。
A devonian trigonotarbid with stout legs and serrated face.

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Bread dude no. 5
Apparently trenzas or "braids" in english came from Germany, here in Mx you can buy them on fairs, I love them

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Silurian-Devonian Jawless Fish were Ecologically Diversified
https://t.co/OY1jhyyCY6

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