Traits taxon details
original description
Mergl, M. (1997). Obolid brachiopods with burrowing sculptures in the Lower Ordovician of Bohemia. <em>Vestník Ceského geologického ústavu.</em> 72: 127-139. [details]
additional source
Benedetto, J.; Muñoz, D. (2015). Linguloidean brachiopods from the Lower Ordovician (Tremadocian) of northwestern Argentina. <em>Bulletin of Geosciences.</em> 90(2): 417-430., available online at https://doi.org/10.3140/bull.geosci.1539 [details]
additional source
Brock, G. A.; Holmer, L. E. (2004). Early Ordovician lingulate brachiopods from the Emanuel Formation, Canning Basin, Western Australia. <em>Memoirs of the Association of Australasian Palaeontologists.</em> 30: 113-132. note: Lists type species as well as all other taxa historically allocated to genus. [details]
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