@misc{indiciae8f43182f6f32,
  title = {Geology and paleontology of Canal Zone and adjoining parts of Panama; description of Tertiary mollusks (Gastropods: Columbellidae to Volutidae)},
  author = {W. P. Woodring},
  year = {1964},
  doi = {10.3133/pp306c},
  url = {https://pubs.usgs.gov/publication/pp306C},
  note = {Source identifier: pp306C}
}