Rhabdotubus Temporal range:
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Scientific classification | |
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Phylum: | |
Class: | Pterobranchia
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Genus: | Rhabdotubus
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Species | |
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The Lower-Middle Cambrian animal Rhabdotubus is the earliest known pterobranch.[1] It bears strong similarity to the graptolites - indeed for some time it was misclassified as a dendroid graptolite.[2][3][4]