Fordyce, E.; Perrin, W.F. (2024). World Cetacea Database. Physeter bidens Sowerby, 1804. Accessed through: World Register of Marine Species at: https://marinespecies.org/aphia.php?p=taxdetails&id=384440 on 2024-05-05
original descriptionSowerby, J. (1804). Extracts from the Minute-Book of the Linean Society. <em>Transactions of the Linnaean Society, London.</em> 7: 310., available online athttps://www.biodiversitylibrary.org/page/756528[details]