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Filippo M. Rotatori @PalaeoFil
Joined August 2017
  • Tweets 462
  • Following 480
  • Followers 672
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Filippo M. Rotatori@PalaeoFil
18 Mar 2024
I am ecstatic to share the first dinosaur species I describe so far: Hesperonyx martinhotomasorum (reconstruction by Victor Carvalho ). This guy is a new small sized iguanodontian from the Upper Jurassic of Portugal. Here's the link: tandfonline.com/doi/full/10.…
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The cool animation made by @errequad for his master research !
The PalAss@ThePalAss
May 18
An exquisitely preserved young iguanodontian from the Upper Jurassic of Tanzania sheds light on skeletal fusion patterns within Archosauria onlinelibrary.wiley.com/doi/… #PapersinPalaeontology @errequad @PalaeoFil @ManucciFabio @MorphoSource @MorphoBank
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New paper out! 🦴We studied an exceptionally preserved juvenile of Dysalotosaurus lettowvorbecki from the Tendaguru Formation using micro-CT scans, reconstructing ~40 bones hidden inside a rock block. @ThePalAss onlinelibrary.wiley.com/doi/… #Paleontology #Jurassic #Evolution

An exquisitely preserved young iguanodontian from the Upper Jurassic of Tanzania sheds light on...

Dysalotosaurus lettowvorbecki (Ornithopoda, Dinosauria) is a small-sized dryosaurid iguanodontian known from various isolated remains collected from the Tendaguru Formation (Upper Jurassic, Tanzani...

onlinelibrary.wiley.com
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Another example of how museum collections modern imaging techniques can reveal spectacular hidden fossils. 🦖
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This work resulted from the Erasmus and Master Thesis project of @errequad , carried out between Bologna University and University of Tübingen. It has been a pleasure to see this taking shape as a co-advisor :) Enjoy!
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The surprise? Neck vertebrae were fusing earlier than those further back in the spine — challenging the traditional “tail-to-head” model of vertebral fusion in dinosaurs.
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Filippo M. Rotatori retweeted
The PalAss@ThePalAss
Apr 22
The early origin of Iguanodontia: new insights into the macroevolution, diversity & biogeography of the clade onlinelibrary.wiley.com/doi/… @PalaeoFil @AAlechiarenza @MorphoBank @d_bonadonna
Main image: Phylogenetic tree illustrating the biogeographical reconstruction of Iguanodontia. Time scale along the bottom shows the Jurassic (in blue) and Cretaceous (in green). At bottom right is a life reconstruction of the ornithischian dinosaur Iguanodon bernissartensis from the Early Cretaceous (~125 million years ago) of Europe, by Davide Bonadonna (www.davidebonadonna.it).

ALT Main image: Phylogenetic tree illustrating the biogeographical reconstruction of Iguanodontia. Time scale along the bottom shows the Jurassic (in blue) and Cretaceous (in green). At bottom right is a life reconstruction of the ornithischian dinosaur Iguanodon bernissartensis from the Early Cretaceous (~125 million years ago) of Europe, by Davide Bonadonna (www.davidebonadonna.it).
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Filippo M. Rotatori retweeted
Darío Estraviz López@DarioEstraviz
Apr 22
INCREDIBLE WORK! Congratulations to the authors 👏🏽 Also some interesting implications for Iberian ornithopods... Cc: @PalaeoFil
Alessandro Chiarenza@AAlechiarenza
Apr 22
New paper out today in @ThePalAss : onlinelibrary.wiley.com/doi/… Co-led with @PalaeoFil (coauthors Federico Fanti & Miguel Moreno-Azanza). Using the largest data matrix yet, we name a new sail-backed clade (Ouranosauria) & reassess Iguanodon taxonomy. 🎨 Artwork by Davide Bonadonna
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Filippo M. Rotatori retweeted
Alessandro Chiarenza@AAlechiarenza
Apr 22
New paper out today in @ThePalAss : onlinelibrary.wiley.com/doi/… Co-led with @PalaeoFil (coauthors Federico Fanti & Miguel Moreno-Azanza). Using the largest data matrix yet, we name a new sail-backed clade (Ouranosauria) & reassess Iguanodon taxonomy. 🎨 Artwork by Davide Bonadonna
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🦖 Plot twist: iguanodonts didn’t start in the Cretaceous. Our study pushes their origin back to the Early–Middle Jurassic (~180 Ma) — revealing a long hidden history. 🔥 Plus: a new clade, Ouranosauria (incl. Ouranosaurus-like forms)🌍 Global by the Late Jurassic.@AAlechiarenza
The PalAss@ThePalAss
Apr 22
The early origin of Iguanodontia: new insights into the macroevolution, diversity & biogeography of the clade onlinelibrary.wiley.com/doi/… @PalaeoFil @AAlechiarenza @MorphoBank @d_bonadonna
Main image: Phylogenetic tree illustrating the biogeographical reconstruction of Iguanodontia. Time scale along the bottom shows the Jurassic (in blue) and Cretaceous (in green). At bottom right is a life reconstruction of the ornithischian dinosaur Iguanodon bernissartensis from the Early Cretaceous (~125 million years ago) of Europe, by Davide Bonadonna (www.davidebonadonna.it).

ALT Main image: Phylogenetic tree illustrating the biogeographical reconstruction of Iguanodontia. Time scale along the bottom shows the Jurassic (in blue) and Cretaceous (in green). At bottom right is a life reconstruction of the ornithischian dinosaur Iguanodon bernissartensis from the Early Cretaceous (~125 million years ago) of Europe, by Davide Bonadonna (www.davidebonadonna.it).

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8/ And to the @MapasLab that welcomed me, plus all collaborators, institutions, and collections that made this work possible.
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9/ 🦕 There’s still a lot to uncover… but the story of iguanodonts just got much deeper.
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Filippo M. Rotatori retweeted
Pedro Andrade Paleoart@NotPedroAndrade
2 Dec 2025
For this month of December, as a Christmas holiday sale, all commissions are 30% OFF! 🎄🎁 If you would like to commission me for a scientific article, book, etc, now its the time do so! More INFO: artofpedroandrade@gmail.com A Like and/or Retweet is apprecitated as well! 😁
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