@misc{indiciae75478a3ee76e,
  title = {Tertiary and Quaternary Gastropoda of Okinawa},
  author = {F. S. MacNeil},
  year = {1960},
  doi = {10.3133/pp339},
  url = {https://pubs.usgs.gov/publication/pp339},
  note = {Source identifier: pp339}
}