Gorjansky, V. Y.; Popov, L. E. (1985). Morfologiya, sistematicheskoe polozhenie i proiskhozhdenie bezzamkovykh brakhiopod s karbonatnoj rakovinoj.
[The morphology, systematic position, and origin of inarticulate brachiopods with carbonate shells]. <em>Paleontologicheskii Zhurnal.</em> 3: 3-13.[details]
WoRMS (2024). Lingulata. Accessed at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=235154 on 2024-08-14
original descriptionGorjansky, V. Y.; Popov, L. E. (1985). Morfologiya, sistematicheskoe polozhenie i proiskhozhdenie bezzamkovykh brakhiopod s karbonatnoj rakovinoj.
[The morphology, systematic position, and origin of inarticulate brachiopods with carbonate shells]. <em>Paleontologicheskii Zhurnal.</em> 3: 3-13.[details]
basis of recordHolmer, L. E. (2001). Phylogeny and classification: Linguliformea and Craniiformea. <em>Paleontological Society Papers.</em> 7, 11-26.[details]