Cooper, G. A. (1959). Genera of Tertiary and recent rhynchonelloid brachiopods. <em>Smithsonian Miscellaneous Collections.</em> 139(5):1–90, pl. 1–22.[details] Available for editors [request]
Verhoeff, T. (2024). World Brachiopoda Database. Frieleiinae Cooper, 1959. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=235182 on 2024-11-21
original descriptionCooper, G. A. (1959). Genera of Tertiary and recent rhynchonelloid brachiopods. <em>Smithsonian Miscellaneous Collections.</em> 139(5):1–90, pl. 1–22.[details] Available for editors [request]