Carboniferous Vampire-Squid-Like Cephalopod Had Ten Arms paleontology science
These soft-bodied cephalopods are typically characterized by eight arms and an internalized chitinous shell or fin supports.and octopus, but their origins are unclear as they rarely fossilize due to their primarily soft tissue composition.
“This is the first and only known vampyropod to possess 10 functional appendages,” said Dr. Christopher Whalen, a postdoctoral researcher in the Department of Invertebrate Paleontology at the American Museum of Natural History and the Department of Earth and Planetary Sciences at Yale University. “However, all previously reported fossil vampyropods preserving the appendages only have 8 arms, so this fossil is arguably the first confirmation of the idea that all cephalopods ancestrally possessed 10 arms.”was about 12 cm long and had a torpedo-shaped body. Its fins were large enough to perhaps function as stabilizers and to help it swim.
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