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Eli Amson

@eliamson.bsky.social

Curator of old bones @smnstuttgart.bsky.social

26 Posts132 Follower108 Folgt
Nicolas Wagner@paleonico.bsky.social · 2mo ago

#FossilFriday 🦴 New paper: "Sirenian pachyostosis revisited" New method to quantify bone mass increase in sea cows (including fragments) using 3D surface models. Vertebrae are affected too, not just ribs. Open access ➡️ doi.org/10.3897/sjp.... #Palaeontology #Fossils #OpenAccess

Sirenian pachyostosis revisited

Pachyostosis, the increase in volume of bones, has been documented in a myriad of tetrapods that secondarily adapted to the aquatic environment. However, this convergent trait has hitherto only been quantified in complete ribs and long bones. This study presents a methodology designed to quantify the degree of pachyostosis in ribs and vertebrae for both complete and fragmentary skeletal elements. Using surface models, the volumes of costal and vertebral regions were measured and standardized using size proxies to devise a pachyostosis index. Sirenians are used as a case study, given the disparity in pachyostosis degrees that has already been documented in the clade, especially in their ribs. The new methodology can detect this disparity and further demonstrates that pachyostosis also affects their vertebrae. Milder cases of pachyostosis, such as in the extant Dugong dugon, are likely secondary specializations to a specific lifestyle. The craniocaudal distribution of the pachyostosis index values is also potentially helpful for further distinguishing finer lifestyle differences. This new method has the potential to clarify the causes of the disparity in pachyostosis degrees observed in the fossil record of sirenians, and it may also prove valuable in broader, non-mammalian contexts.

doi.org

Naturkundemuseum Stuttgart@smnstuttgart.bsky.social · 8mo ago

By combining skull analyses and genetic studies, researchers assessed the sense of smell in living and fossil mammals. Results published in ‘Proceedings of the National Academy of Sciences’ (PNAS). Take a look at the original publication: www.pnas.org/doi/10.1073/...

The olfactory bulb endocast as a proxy for mammalian olfaction | PNAS

Olfaction is a critical sense for tetrapods, playing a key role in survival and reproduction by aiding in food detection, predator avoidance, and s...

pnas.org

Stephan Spiekman@stephanspiekman.bsky.social · 10mo ago

‼️‼️Triassic Life just opened @smnstuttgart.bsky.social‼️‼️ For all #Triassic fans, lovers of strange reptiles and the Dawn of the Modern World, this is an absolute MUST! It also couldn't be more timely with our recent publication @nature.com of the wonder reptile #Mirasaura, which is now on display!

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Raphael Moreno@stereospondyl.bsky.social · 10mo ago

After two years of hard work, I’m proud to announce that our new special exhibition @smnstuttgart.bsky.social is now open for the public – Meet Triassic Life: Dawn of the world of reptiles (1/7).

Naturkundemuseum Stuttgart@smnstuttgart.bsky.social · last yr.

We congratulate our @stereospondyl.bsky.social on the successful defense of his PhD thesis! 🥳 We are looking forward to your further work!

Raphael Moreno@stereospondyl.bsky.social · last yr.

On thursday I successfully defended my PhD thesis on the diversity and ecology of Triassic temnospondyls at the @smnstuttgart.bsky.social and @unihohenheim.bsky.social On to more temnospondyl fun coming in the future. Thanks to everyone who helped make this moment possible :D #temnospondone ✔️

Naturkundemuseum Stuttgart@smnstuttgart.bsky.social · last yr.

#Science Ameisen-Alarm! #Tapinomamagnum – wenn kleine Insekten große Probleme machen Von flinken Krabblern, Citizen Science und der Frage “Ist das jetzt Tapinoma magnum?” #ScienceBlog von Amelie Höcherl & Dr. Dominic Wanke - Entomologen am #SMNS www.naturkundemuseum-bw.de/forschung/sc...

Science Blog | Ameisen-Alarm! Tapinoma magnum

Informationen und Tipps zu den Problemen, die nicht heimische Ameisenart Tapinoma magnum machen kann und wie sie von anderen Ameisenarten zu unterscheiden ist.

naturkundemuseum-bw.de

Ricardo J Pereira@biodiversitysmns.bsky.social · last yr.

Hello, BlueSky! 🦋 Excited to reconnect, exchange ideas, and build a collaborative space driven by curiosity and innovation. We’re launching the Dept. of Biodiversity Monitoring at SMNS!🚀 Using museum & monitoring collections, we study genomic diversity 🧬 and species persistence in a changing world.

Eli Amson@eliamson.bsky.social · 2y ago

#Perucetus won the PALEONTUROLOGÍA 2024 award, many thanks Fundación Dinópolis! ecodeteruel.tv/una-investig...

Una investigación sobre un cetáceo de Perú con mayor peso corporal conocido hasta ahora, Premio Nacional en Paleontología 2024 - Eco de Teruel

El premio PALEONTUROLOGÍA, convocado por la Fundación Dinópolis, cumple su vigesimosegunda edición, en la que han participado 53 investigadores de diversos países.  El jurado del Premio Internacional ...

ecodeteruel.tv