@misc{indiciae80f5c22cde36,
  title = {Ordovician sponges from west-central and east-central Alaska and western Yukon Territory, Canada},
  author = {J.K. Rigby and R. B. Blodgett and B.B. Britt},
  year = {2008},
  doi = {10.3140/bull.geosci.2008.02.153},
  url = {https://pubs.usgs.gov/publication/70000380},
  note = {Source identifier: 70000380}
}