Rhabdinopora

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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 proparabola
• Rhabdinopora praeparabola
• Rhabdinopora parabola
• Rhabdinopora flabelliformis