Type Species

Orastrum asarotum Wind & Wise in Wise & Wind, 1977

References

Wise, S. W. & Wind, F. H. (1977): Mesozoic and Cenozoic calcareous nannofossils recovered by DSDP Leg 36 drilling on the Falkland Plateau, south-west Atlantic sector of the Southern Ocean. - Initial Reports of the Deep Sea Drilling Project. 36:269-491.