@misc{indiciae5507e311b1ad,
  title = {Eocene megafossils from Ishigaki-shima, Ryukyu-retto},
  author = {F. S. MacNeil},
  year = {1964},
  doi = {10.3133/pp399b},
  url = {https://pubs.usgs.gov/publication/pp399B},
  note = {Source identifier: pp399B}
}