#ammonoids — Public Fediverse posts

@RationalizedInsanity @futurebird

in all your life
could you write
just one rhyme
for each of seventeen thousand ammonoids
across three hundred,
forty three million years of time

#poetry
#fossils
#ammonoids

#Ammonites' fate sealed by meteor strike that wiped out #dinosaurs
https://phys.org/news/2024-06-ammonites-fate-meteor-dinosaurs.html

Late #Cretaceous #ammonoids show that drivers of diversification are regionally heterogeneous https://www.nature.com/articles/s41467-024-49462-z

"their fate was not set in stone. Instead, the final chapter in ammonite evolutionary history is more complex"

Evolving elegance: Scientists connect beauty and safeguarding in ammonoid shells
https://phys.org/news/2023-08-evolving-elegance-scientists-beauty-safeguarding.html

#Fractal-like geometry as an evolutionary response to #predation? https://www.science.org/doi/10.1126/sciadv.adh0480

"Over the course of 350 million years of #evolution, #ammonoids repeatedly evolved #shells with increasingly complex inner walls. The persistence and repetitiveness of this trend imply some driving force"

Morphological disparity of early #ammonoids: A geometric #morphometric approach to investigate conch geometry of Early–Middle Devonian ammonoids of the Moroccan Anti-Atlas by analysing the shape of their whorl profile:
http://dx.doi.org/10.4202/app.01033.2022

Study highlights that the increase in #disparity began earlier than the increase in #diversity, but found no evidence for an early burst of #shape diversity (i.e., the rise does not exceed expectations given diversity).

#paleobiology #paleontology

Morphological disparity of early #ammonoids: A geometric #morphometric approach to investigate conch geometry of Early–Middle Devonian ammonoids of the Moroccan Anti-Atlas by analysing the shape of their whorl profile:
http://dx.doi.org/10.4202/app.01033.2022

Study highlights that the increase in #disparity began earlier than the increase in #diversity, but found no evidence for an early burst of #shape diversity (i.e., the rise does not exceed expectations given diversity).

#paleobiology #paleontology

Morphological disparity of early #ammonoids: A geometric #morphometric approach to investigate conch geometry of Early–Middle Devonian ammonoids of the Moroccan Anti-Atlas by analysing the shape of their whorl profile:
http://dx.doi.org/10.4202/app.01033.2022

Study highlights that the increase in #disparity began earlier than the increase in #diversity, but found no evidence for an early burst of #shape diversity (i.e., the rise does not exceed expectations given diversity).

#paleobiology #paleontology

Morphological disparity of early #ammonoids: A geometric #morphometric approach to investigate conch geometry of Early–Middle Devonian ammonoids of the Moroccan Anti-Atlas by analysing the shape of their whorl profile:
http://dx.doi.org/10.4202/app.01033.2022

Study highlights that the increase in #disparity began earlier than the increase in #diversity, but found no evidence for an early burst of #shape diversity (i.e., the rise does not exceed expectations given diversity).

#paleobiology #paleontology

Here we analyze the impact of #facies, #region, #taxonomy, and #collection style over #size #distributions using diameter as a proxy of Late #Devonian #ammonoids in their entirety using non-metric #multidimensional #scaling and #PERMANOVA based on #Kolmogorov distance.

https://doi.org/10.2110/palo.2021.063

Here we analyze the impact of #facies, #region, #taxonomy, and #collection style over #size #distributions using diameter as a proxy of Late #Devonian #ammonoids in their entirety using non-metric #multidimensional #scaling and #PERMANOVA based on #Kolmogorov distance.

https://doi.org/10.2110/palo.2021.063

Here we analyze the impact of #facies, #region, #taxonomy, and #collection style over #size #distributions using diameter as a proxy of Late #Devonian #ammonoids in their entirety using non-metric #multidimensional #scaling and #PERMANOVA based on #Kolmogorov distance.

https://doi.org/10.2110/palo.2021.063

Here we analyze the impact of #facies, #region, #taxonomy, and #collection style over #size #distributions using diameter as a proxy of Late #Devonian #ammonoids in their entirety using non-metric #multidimensional #scaling and #PERMANOVA based on #Kolmogorov distance.

https://doi.org/10.2110/palo.2021.063

Here we analyze the impact of #facies, #region, #taxonomy, and #collection style over #size #distributions using diameter as a proxy of Late #Devonian #ammonoids in their entirety using non-metric #multidimensional #scaling and #PERMANOVA based on #Kolmogorov distance.

https://doi.org/10.2110/palo.2021.063

I have a book on #ammonoids coming out in December if anyone is interested in checking it out! https://www.routledge.com/Evolution-of-the-Ammonoids/Marriott-Bartholomew-Prothero/p/book/9781032264363

Study: These ancient straight-shelled cephalopods lived the vertical life - Enlarge / Reconstruction of the orthocone ammonite Baculites compressus. A new st... - https://arstechnica.com/?p=1786458 #virtualpaleontology #biomechanics #paleobiology #cephalopods #ammonoids #science #biology #physics