(ofPyrgiscilla festiva Marwick, 1943 †)Marwick, J. (1943). Some Tertiary Mollusca from North Otago. <em>Transactions of the Royal Society of New Zealand.</em> 73: 181-192. page(s): 191 [details]
MolluscaBase eds. (2024). MolluscaBase. Pyrgiscus festivus (Marwick, 1943) †. Accessed through: Marine Species Traits editorial board (2024) Marine Species Traits at: https://www.marinespecies.org/traits./aphia.php?p=taxdetails&id=988479 on 2024-10-10
Marine Species Traits editorial board (2024). Marine Species Traits. Pyrgiscus festivus (Marwick, 1943) †. Accessed at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=988479 on 2024-10-10
original description(ofPyrgiscilla festiva Marwick, 1943 †)Marwick, J. (1943). Some Tertiary Mollusca from North Otago. <em>Transactions of the Royal Society of New Zealand.</em> 73: 181-192. page(s): 191 [details]