Macfarlan, Donald Alexander Bankier. “Otapirian (Rhaetian) Terebratulida (Brachiopoda) of Zealandia”. Zootaxa 5374, no. 1 (November 15, 2023): 1–34. Accessed May 3, 2025. https://www.mapress.com/zt/article/view/zootaxa.5374.1.1.