New Spinosaur Species Uncovered In Spain | 7 Days of Science

Item: New Spinosaur Species Uncovered In Spain | 7 Days of Science
Rating: 4
Author: PostSingularity Institute

by Ben G Thomas

Life & Natural Systems Paleontology RBEarth sciences RBXPalaeontology

🎙 Ben G Thomas 👥 763K 📅 February 21, 2024 ⏱ 10 min 👁 33K 📄 news review 🧭 2026-09-13

Available in: English (current) Français

Keywords

spinosaurhadrosaurankylosaurquasarpolar bear

Summary

This episode of 7 Days of Science, hosted by Ben G Thomas, covers several recent scientific discoveries. First, astronomers have identified the brightest object ever observed, a quasar with a black hole of 17 billion solar masses, consuming a Sun’s worth of material daily. Second, a study on polar bears shows that despite behavioral adaptations, they cannot offset the energy loss from reduced sea ice, leading to starvation. Third, a historical fossil forgery is revealed: a specimen of Tridentinosaurus antiquus from the Italian Alps, previously thought to have soft tissue preservation, is now shown to be painted. Fourth, a new species of hadrosaur, Minqaria bata, is described from Morocco, suggesting island-driven dwarfism and dispersal. Fifth, a new ankylosaur, Datai yinliangis, is described from China, with remarkable preservation of two juveniles and unique double cheek horns. Finally, a new spinosaur, Riojavenatrix lacustris, is named from Spain, prompting a reassignment of other Iberian spinosaur fossils. The video synthesizes each story with sources and context, highlighting the rapid pace of paleontological discovery.

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Critical Evaluation

Value of the Information & Strength of the Argument

The video delivers high-value information by summarizing peer-reviewed research and placing each finding in broader scientific context. The argumentation is solid: for each news item, the presenter explains the methodology, the significance, and often the caveats (e.g., fragmentary nature of fossils). The reasoning is clear and logically presented, with no obvious overclaims. The inclusion of multiple stories shows balanced coverage, and the discussion of the spinosaur revision adds depth by addressing taxonomic reassignment.

Scientific Rigor, Source Quality, Title Accuracy

The video maintains scientific rigor by citing reputable sources directly in the description, including Nature, Scientific Reports, and other peer-reviewed journals. Each claim is traceable to a specific paper. The title accurately reflects the headline spinosaur story, but the video also covers other news; the discrepancy is minor and does not detract from overall reliability. The content is well-researched and presented without sensationalism, consistent with the channel’s established reputation.

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Title / Content Match

The title highlights the spinosaur discovery, which is the final and perhaps most striking item, but the video covers six other news stories. The title is thus somewhat narrow but not misleading.

Quality & Reliability

8/10

The video presents recent scientific discoveries with references to peer-reviewed papers and institutional sources. The presenter explains the context and limitations of each finding. The information is accurate and well-sourced.

Chapters

Cited Sources

Most luminous object ever observed (Nature paper) — Cited for the quasar discovery at the beginning of the video.
Brightest and fastest-growing quasar (Phys.org article) — Additional coverage of the quasar discovery.
Polar bear study (Nature Communications) — Referenced for the polar bear adaptation research.
Fossil forgery paper (Palaeontology) — Cited for the Tridentinosaurus forgery investigation.
New hadrosaur Minqaria bata (Scientific Reports) — Source for the new duck-billed dinosaur from Morocco.
New ankylosaur Datai yinliangis (Vertebrate Anatomy Morphology Palaeontology) — Referenced for the ankylosaur discovery in China.
New spinosaur Riojavenatrix lacustris (Zoological Journal of the Linnean Society) — Cited for the new Spanish spinosaur species.

External References

Contribution & Novelties

The video’s original contribution lies in consolidating several recent paleontological and astronomical findings into a digestible format, while adding interpretive commentary on the significance of each. It notably highlights the taxonomic revision of Iberian spinosaurs, showing that previous attributions to Baryonyx were incorrect. The ‘Pour aller plus loin’ section offers avenues for deeper exploration: Spinosauridae, Hadrosauridae, Ankylosauria, and Quasar science.

Pour aller plus loin :

Spinosauridae on Wikipedia — Overview of the spinosaur family, including evolutionary relationships and diversity.
Hadrosauridae on Wikipedia — Context for duck-billed dinosaurs and their global distribution.
Ankylosauria on Wikipedia — Detailed info on armored dinosaurs, including their evolution and behavior.
Quasar on Wikipedia — Explanation of quasars and their role in cosmology.

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Radar Profile

The radar shows consistently high scores across all dimensions, with the strongest in information quality and reliability, and slightly lower in quantitative content and technical depth. This indicates a well-researched, accessible science news video that prioritizes accuracy and clarity.

Reliability 9/10

💬 Sur les 30 commentaires analysés, le climat est très positif : les spectateurs expriment leur enthousiasme pour la découverte de spinosaures, avec des blagues récurrentes sur la prolifération des espèces ibériques, et félicitent la chaîne pour la qualité du contenu. Un commentaire d'un des illustrateurs ajoute une note de remerciement et d'engagement.