All graptolites
Click on a name below to jump to that fossil, or the "details" link to go to it's full-page summary. When you're ready you can take the online hemichordata quiz.| Ordovician to MississippianDictyonema | |||||||||
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| Ordovician to MississippianDidymograptus | |||||||||
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| Lower OrdovicianPhyllograptus | |||||||||
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| OrdovicianTetragraptus | |||||||||
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