Sowerby, G. B. (1846). Descriptions of thirteen new species of brachiopods. <em>Proceedings of the Zoological Society of London.</em> 14: 91-97.[details]
Verhoeff, T. (2024). World Brachiopoda Database. Terebratula nigricans Sowerby, 1846. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=869251 on 2024-05-03
original descriptionSowerby, G. B. (1846). Descriptions of thirteen new species of brachiopods. <em>Proceedings of the Zoological Society of London.</em> 14: 91-97.[details]