Lagenospermum imparirameum sp. nov., a Seedbearing Fructification from the Mississippian of Pennsylvania and Virginia

@inproceedings{Arnold1939LagenospermumIS,
  title={Lagenospermum imparirameum sp. nov., a Seedbearing Fructification from the Mississippian of Pennsylvania and Virginia},
  author={Chester A. Arnold},
  year={1939}
}

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