Popov, L. E.; Holmer, L. E.; Gorjansky, V. Ju. (1996). Middle Cambrian lingulate brachiopods from the Tarbagatay Range, Kazakhstan. <em>Acta Palaeontologica Polonica.</em> 41: 299-317.[details]
original descriptionPopov, L. E.; Holmer, L. E.; Gorjansky, V. Ju. (1996). Middle Cambrian lingulate brachiopods from the Tarbagatay Range, Kazakhstan. <em>Acta Palaeontologica Polonica.</em> 41: 299-317.[details]