Schemm-Gregory, Mena, and Maria Helena Henriques. “Catalogue of the Krantz Brachiopod Collection at the Science Museum of the University of Coimbra (Portugal)”. Zootaxa 3677, no. 1 (June 17, 2013): 1–173. Accessed May 1, 2025. https://www.mapress.com/zt/article/view/zootaxa.3677.1.1.