Hutton, F.W. (1883). Notes on some New Zealand land shells. <em>New Zealand Journal of Science (1) 1 (10): 475-477.</em> page(s): 477 [details]
MolluscaBase eds. (2024). MolluscaBase. Therasia F. W. Hutton, 1883. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=820891 on 2024-09-04
original descriptionHutton, F.W. (1883). Notes on some New Zealand land shells. <em>New Zealand Journal of Science (1) 1 (10): 475-477.</em> page(s): 477 [details]
basis of recordBank, R. A. (2017). Classification of the Recent terrestrial Gastropoda of the World. Last update: July 16th, 2017.[details]
Present Inaccurate Introduced: alien Containing type locality