Warén A. (1996). New and little known mollusca from Iceland and Scandinavia. Part 3. <i>Sarsia 81</i>: 197-245, available online athttp://www.vliz.be/imisdocs/publications/ocrd/31809.pdf page(s): 201-204; note: both spellings thorvaldsoni and thorvaldssoni are used in the original paper, but the latter is correct as the material is stated to be collected by Jón Thorvaldsson. [details]
MolluscaBase eds. (2024). MolluscaBase. Protolira thorvaldssoni Warén, 1996. Accessed through: Marine Species Traits editorial board (2024) Marine Species Traits at: https://www.marinespecies.org/traits./aphia.php?p=taxdetails&id=181389 on 2025-01-14
Marine Species Traits editorial board (2025). Marine Species Traits. Protolira thorvaldssoni Warén, 1996. Accessed at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=181389 on 2025-01-14
original descriptionWarén A. (1996). New and little known mollusca from Iceland and Scandinavia. Part 3. <i>Sarsia 81</i>: 197-245, available online athttp://www.vliz.be/imisdocs/publications/ocrd/31809.pdf page(s): 201-204; note: both spellings thorvaldsoni and thorvaldssoni are used in the original paper, but the latter is correct as the material is stated to be collected by Jón Thorvaldsson. [details]
context source (Deepsea)Sysoev A.V. (2014). Deep-sea fauna of European seas: An annotated species check-list of benthic invertebrates living deeper than 2000 m in the seas bordering Europe. Gastropoda. <i>Invertebrate Zoology</i>. Vol.11. No.1: 134–155 [in English].[details] Available for editors
Present Inaccurate Introduced: alien Containing type locality
Present 
