MolluscaBase eds. (2025). MolluscaBase. Ptychotrema vroomi de Winter, 1996. Accessed through: Marine Species Traits editorial board (2025) Marine Species Traits at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=1305335 on 2025-05-11
Marine Species Traits editorial board (2025). Marine Species Traits. Ptychotrema vroomi de Winter, 1996. Accessed at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=1305335 on 2025-05-11