@misc{indiciaec2f3168d3af3,
  title = {Auditory features and affinities of the Eocene bats Icaronycteris and Palaeochiropteryx (Microchiroptera, incertae sedis) — Illustration, Page 4},
  year = {1987},
  url = {https://www.biodiversitylibrary.org/page/62312234},
  note = {Source identifier: page-62312234}
}