@misc{indiciaec4784ddb3dc6,
  title = {Phylum and class nomenclature in systematics},
  author = {Ellis L. Yochelson},
  year = {1971},
  doi = {10.2307/2412062},
  url = {https://pubs.usgs.gov/publication/70227414},
  note = {Source identifier: 70227414}
}