@misc{indiciae6ab643e6c776,
  title = {Two new pollen genera (late Cretaceous and Paleocene) with possible affinity to the Illiciaceae},
  author = {R.H. Tschudy},
  year = {1970},
  doi = {10.3133/pp643f},
  url = {https://pubs.usgs.gov/publication/pp643F},
  note = {Source identifier: pp643F}
}