Tazawa, J. (2008). A bipolar brachiopod genus Terrakea Booker, 1930 from the Middle Permian of the south Kitakami belt, northeast Japan. Proceedings of the Royal Society of Victoria. 120: 332-340.
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Tazawa, J.
2008
A bipolar brachiopod genus Terrakea Booker, 1930 from the Middle Permian of the south Kitakami belt, northeast Japan