@misc{indiciaed36247284bfc,
  title = {Mollusca from the Miocene and lower Pliocene of Virginia and North Carolina, Part 1, Pelecypoda, with a summary of the stratigraphy},
  author = {Julia Gardner and W. C. Mansfield},
  year = {1943},
  doi = {10.3133/pp199a},
  url = {https://pubs.usgs.gov/publication/pp199A},
  note = {Source identifier: pp199A}
}