(of)Emmons, E. (1842). Geology of New-York. Part II. Comprising the survey of the second geological district. New York State Geological Survey, Albany, 429 pp., available online athttps://books.google.de/books?id=oW4_AAAAcAAJ[details]
MolluscaBase eds. (2025). MolluscaBase. Undulabucania punctifrons (Emmons, 1842) †. Accessed through: Marine Species Traits editorial board (2025) Marine Species Traits at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=1789413 on 2025-05-24
Marine Species Traits editorial board (2025). Marine Species Traits. Undulabucania punctifrons (Emmons, 1842) †. Accessed at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=1789413 on 2025-05-24
original description(of)Emmons, E. (1842). Geology of New-York. Part II. Comprising the survey of the second geological district. New York State Geological Survey, Albany, 429 pp., available online athttps://books.google.de/books?id=oW4_AAAAcAAJ[details]