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Reposted by Amin El Fassi El Fehri

18th ISELV @iselv18.bsky.social · 21d

‼️Chirp, chirp‼️

🐣Early bird registration for the 18th ISELV closes in 5 DAYS!

📆Make sure you register before September 30th for lower fees!

🌐Follow this link: sites.google.com/view/iselv-1...

Two birds sitting on a hillside in the Moroccan desert. The bold text in the background says “Early bird registration, 5 days”.

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Joschua Knüppe @joschuaknuppe.bsky.social · Aug 24

Here the result from the Kuanti #paleostream!
This piece was brought basically back from the brink of being an empty wasteland in the last few days.

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18th ISELV @iselv18.bsky.social · Aug 20

‼️Registration for the 18th ISELV is now open!‼️

🌐Follow this link to save your spot now! sites.google.com/view/iselv-1...

🚨Early bird deadline is 31 Sept

🐟Join us in Morocco for some fishy business!

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Robert Rose @robear.bsky.social · Jul 6

My girlfriend found this at the store today- a tissue box with stylized #paleoart of prehistoric, pre-Mesozoic sea creatures on it! Very unexpected- features anomalocaris, tremataspis, zenaspis, and dunkleosteus.

A blue unopened box of Kleenex tissues with a pattern of smiling prehistoric sea creatures on it. There is also a fun fact about Dunkleosteus on the top, that it lived 358 million years ago and was as big as a great white shark.

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Amin El Fassi El Fehri @aminff.bsky.social · Aug 6

Synchrotron CT reveals a slew of gnathostome characters in a jawless fish. Time to rethink the jawless-to-jawed transition for the umpteenth time. Also a much appreciated update to osteostracan internal anatomy.
www.nature.com/articles/s41...

Novel assembly of a head–trunk interface in the sister group of jawed vertebrates - Nature

Imaging of a Devonian jawless fish reveals advanced features previously thought to be exclusive to jawed vertebrates, challenging the idea that jaws were the primary driver for the evolution of d...

www.nature.com

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Robert Sansom @fossilrob.bsky.social · Jul 31

New palaeo-PhD opportunity! Will you be the one to figure out the anatomy and function of fossil jawless fish? Come join the team! Application Deadline August 22nd, funding for UK student only (sorry)
www.findaphd.com/phds/project...

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18th ISELV @iselv18.bsky.social · Jul 9

📢 ISELV field trips in #Morocco! ⛰️⛏️🪨🦴

Our first field trip (29/01-02/02) will take you through #Mesozoic sites in the Western Atlas! 🦖🦎

The second field trip (09-14/02) will focus on the iconic #Devonian sites of the Anti-Atlas! 🐟🦈

Registration is coming soon!

#palaeontology #fossil #vertebrate

Palaeontologists looking for fossils at the Devonian locality of Hamar Laghdad, aka. the "Red Cliff".

Two palaeontologists looking at an elevated rock face and taking notes. In the background, a group of five camels passes by a dry river bed in at the foot of the hill.

A group of palaeontologists making their way down the "Red Cliff", the Hamar Laghdad fossil site.

Palaeontolgists sitting on a hill site at Hamar Laghdad, the "Red Cliff".

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Amin El Fassi El Fehri @aminff.bsky.social · Jul 4

Join us in Morocco 🇲🇦 next year for some fishy business! 🐟

18th ISELV @iselv18.bsky.social · Jul 4

‼️To all early vertebrate enthusiasts‼️

The 18th International Symposium on Early and Lower Vertebrates #ISELV will be held in Berrechid, Morocco on 3-8 February 2026! 🐟🦈🦎🦴

We look forward to hosting you there!

For more info, see our website (link in bio)

#fish #vertebrate #palaeontology #fossils

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Hady George @houdzgeorge.bsky.social · Jun 13

So we’re just supposed to share our world with these psychos who can bomb & kill anywhere and anytime they want. This is supposed to be our new normal. There is so much more death to come, and we are supposed to be okay with it, or even thankful for the slaughter.

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J Pardo @jdpardo.bsky.social · Jun 3

Latest Devonian sagenodontid from Morocco. Further evidence that the Carboniferous-Permian lungfish assemblage (ctenodontids, conchopomatids, sagenodontids, gnathorhizids) all originated by the Hangenberg extinction rather than a single Carboniferous diversification

peerj.com/articles/193...

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Amin El Fassi El Fehri @aminff.bsky.social · Jun 3

Thanks!

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Dr Alice Clement @draliceclement.bsky.social · Jun 3

Pleased to have played a small part in this paper, led by @aminff.bsky.social Amin El Fassi El Fehri, describing “A new origin of the ‘modern’ lungfish #dentition revealed by taxonomic overlap between #Devonian and #Carboniferous dipnoans” out today in @peerj.bsky.social 🦷🐟 peerj.com/articles/193...

A new origin of the ‘modern’ lungfish dentition revealed by taxonomic overlap between Devonian and Carboniferous dipnoans

Lungfishes (Dipnoi, Sarcopterygii) initially radiated in the Early Devonian, and reached the apogee of their diversity during this period, especially with regard to their dentitions. Following the end...

peerj.com

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Amin El Fassi El Fehri @aminff.bsky.social · Jun 3

Delighted to have the first paper of my PhD published today in @peerj.bsky.social on a wonderful lungfish tooth plate from Morocco 🐟🦷! With @draliceclement.bsky.social, @merlegreif.bsky.social, & colleagues. peerj.com/articles/193...

A new origin of the ‘modern’ lungfish dentition revealed by taxonomic overlap between Devonian and Carboniferous dipnoans

Lungfishes (Dipnoi, Sarcopterygii) initially radiated in the Early Devonian, and reached the apogee of their diversity during this period, especially with regard to their dentitions. Following the end...

peerj.com

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Merle Greif @merlegreif.bsky.social · Jan 29

As my very first post here on Bluesky I am happy to share our article in Royal Society about tooth wear and diet in the large Devonian chondrichthyan Ctenacanthus concinnus from Morocco

royalsocietypublishing.org/doi/10.1098/...

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