ArticleSwiss journal of palaeontology2020
First record of non-mineralized cephalopod jaws and arm hooks from the latest Cretaceous of Eurytania, Greece.
Article in Swiss journal of palaeontology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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5 citing papers in PubMed, 11 citations in OpenAlex.
- 'Arm brains' (axial nerves) of Jurassic coleoids and the evolution of coleoid neuroanatomy.Swiss journal of palaeontology · 2023Article
- Article
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- Preservation of nautilid soft parts inside and outside the conch interpreted as central nervous system, eyes, and renal concrements from the Lebanese Cenomanian.Swiss journal of palaeontology · 2021Article
- Evolutionary development of the cephalopod arm armature: a review.Swiss journal of palaeontology · 2021Article
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Authors and funding
4 authors at 3 institutions in 4 countries.
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Abstract
Due to the lower fossilization potential of chitin, non-mineralized cephalopod jaws and arm hooks are much more rarely preserved as fossils than the calcitic lower jaws of ammonites or the calcitized jaw apparatuses of nautilids. Here, we report such non-mineralized fossil jaws and arm hooks from pelagic marly limestones of continental Greece. Two of the specimens lie on the same slab and are assigned to the Ammonitina; they represent upper jaws of the aptychus type, which is corroborated by finds of aptychi. Additionally, one intermediate type and one anaptychus type are documented here. The morphology of all ammonite jaws suggest a desmoceratoid affinity. The other jaws are identified as coleoid jaws. They share the overall U-shape and proportions of the outer and inner lamellae with Jurassic lower jaws of
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