#obaichthys
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friedmanlab.bsky.social
#FossilFriday 🤝 #GarWeek
Fossil gars displayed at the AMNH. Atractosteus from the Green River Fm. (top) and Obaichthys from the Santana Fm. (bottom).
November 7, 2025 at 11:14 PM
paleofan.bsky.social
Meet Obaichthys — the spiny, armor-plated ‘gar’ of the Cretaceous! Unlike modern gars, it had mobile jaws + scales bristling with spines. Fossils from Morocco & Brazil show it prowled rivers and estuaries, snapping up tiny invertebrates. #Cretaceous #fish #prehistoric
September 21, 2025 at 12:18 AM
mesozoic.bsky.social
A fossilized fish scale of an Obaichthys africanus from the Gara Sbaa Formation, Kem Kem Group in Iferda N'Ahouar, Morocco, otherwise known as "Area 13". These gar relatives are known for the protruding center ridge on their ganoid scales. #FossilFriday

#fish #fossil #paleontology #obaichthys
Fossilized fish scale of an Obaichthys showing a pronounced and protruding ridge or spine at the center of the scale.
May 17, 2024 at 8:52 PM
friedmanlab.bsky.social
More stem gars for #GarWeek: cast of the Early Cretaceous Obaichthys from Brazil.
Cast of a fossil gar. The bone is painted a light color against a darker matrix. The specimen is sitting on a foam pad.
December 17, 2024 at 11:23 PM