Rhabdinopora is a genus of graptolites belonging to the family Anisograptidae. It is the earliest planktic graptolite and is presumably the ancestor of all later planktic graptoloids.[1] Some species identified as the first planktid graptolite are:[1]

Rhabdinopora
Scientific classification
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Rhabdinopora

References

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  1. ^ a b Maletz, Jörg (2017). Graptolite Paleobiology. Wiley-Blackwell. ISBN 9781118515617.