Traits taxon details
original description
Nikiforova, O. I. (1978). Brachiopods of the Chashmankolon, Archalyk and Minkuchar beds. <em>Akademia Nauk SSSR, Sibirskoe Otledenie, Institut Geologi i Geofiziki, Trudy.</em> 397: 102-126, plates 18-23. [details]
basis of record
Popov, L. E.; Nikitin, I. F.; Sokiran, E. V. (1999). The earliest atrypides and athyridides (Brachiopoda) from the Ordovician of Kazakhstan. <em>Palaeontology.</em> 42(4): 625-661, 4 plates. [details]
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