Your Inner Fish

Strange, spiky “shell” fossils with high levels of hydroxyapatite in their bone structure that confused paleontologists when they were first found. Eventually, a fossil impression of a jawless fish was found with conodonts in its mouth, revealing that conodonts were the first teeth.
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Conodont Term Timeline in Your Inner Fish

The timeline below shows where the term Conodont appears in Your Inner Fish. The colored dots and icons indicate which themes are associated with that appearance.
Chapter 4: Teeth Everywhere
History of Life  Theme Icon
Scientific Discovery Theme Icon
The most common fossils from the ancient oceans are conodonts, first discovered in the 1830s by Russian biologist Christian Pander. Conodonts are small, shelly organisms... (full context)
Similarities Between All Animals Theme Icon
Understanding Complex Concepts Through Simple Analogies Theme Icon
Part of the struggle in identifying conodonts as teeth was that the teeth were the only hard part of these ancient jawless... (full context)