![](https://alexasadier.com/wp-content/uploads/2021/06/20190616_172834crop2-scaled.jpg)
GROUP MEMBERS
![Dr. Alexa Sadier](https://alexasadier.com/wp-content/uploads/2023/11/PXL_20230412_021104377-375x375.jpg)
Alexa Sadier
Principal Investigator
Alexa studies the developmental rules that shape morphological evolution in bats and mammals. She uses teeth, ectodermal appendages and sensory organs to understand how animals adapt to their enviroments on Earth and beyond.
![FG](https://alexasadier.com/wp-content/uploads/2024/09/fanny-300x300.jpeg)
Fanny Gagliardi
PhD student
Fanny investigates the origin and diversification of mammalian tooth classes using morphometrics and developmental biology approaches. She is passionate about bats and will mainly focus on them before expanding to other groups.
![Dr. Alexa Sadier](https://alexasadier.com/wp-content/uploads/2024/07/benoit-300x300.jpeg)
Benoît Moison
IE CNRS
Benoît studies the evolution of bat tooth shape using CTscans and morphometrics. He is also in charge of maintaining our databases.
![MaD](https://alexasadier.com/wp-content/uploads/2024/07/mAD-375x375.png)
Macro Evolution and Development
Team
Our group is part of the wonderful Macro Evolution and Development - or MAD! - team at ISEM.
More here: https://isem-evolution.fr/en/equipe/macroevolution-and-development-team/