1. Conodont biostratigraphy of Lower Devonian deposits of the Shishkat section (southern Tien-Shan, Middle Asia);Bardashev;Courier Forschungsinstitut Senckenberg,1992
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3. Unterdevonische conodonten aus dem Frankenwald;Bischoff;Notizblatt des Hessischen Landesamtes für Bodenforschung zu Wiesbaden,1958
4. Conodont studies no. 1: Conodonts from the Harding Sandstone of Colorado; Bainbridge (Silurian) of Missouri; Jefferson City (Lower Ordovician) of Missouri;Branson;Missouri University Studies,1933
5. New and little known Carboniferous conodont genera;Branson;Journal of Paleontology,1941