@misc{indiciae0c7b959fb720,
  title = {Tinsleya, a new genus of seed-bearing callipterid plants from the Permian of north-central Texas},
  author = {Sergius H. Mamay},
  year = {1966},
  doi = {10.3133/pp523e},
  url = {https://pubs.usgs.gov/publication/pp523E},
  note = {Source identifier: pp523E}
}