original description
Hatai, K. M. (1938). The Tertiary and Recent Brachiopoda of Northeast Honsyu, Japan. <em>Saito Ho-on Kai Museum Research Bulletin.</em> 16: 89–246, pl. 16–20. [details]
From editor or global species database
Taxonomic remark Zezina (2010) regarded Pacifithyris as a subgenus of Terebratalia. [details]