Graptolithina
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Anisograptus sp., YPM 20260 |
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Clonograptus persistens Harris & Thomas, YPM 20274 |
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Dictyonema retiforme Hall, YPM 34922 |
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undet. Dendroidea, YPM 160992 |
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Climacograptus riddellensis Harris, YPM 4003 |
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Didymograptus denticulatus Berry, YPM 20252 |
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Diplograptus foliaceus Murchison, YPM 160994 |
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Monograptus sp., YPM 30241 |
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Tetragraptus approximatus Nicholson, YPM 20276 |
Peabody Museum of Natural History
Yale University
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