@misc{indiciae082c64ebeb7d,
  title = {Characteristic Lower Cretaceous megafossils from northern Alaska},
  author = {R. W. Imlay},
  year = {1961},
  doi = {10.3133/pp335},
  url = {https://pubs.usgs.gov/publication/pp335},
  note = {Source identifier: pp335}
}