Rodzina Balognathidae
| Opis Diagnosis. - The P1 elements are morphologically clearly distinct from the P2 elements, with at least a tendency to develop platform and a ramified anterior process. Genera included. - Baltoniodus Lindström, 1971, Lenodus Sergeeva, 1963, Amorphognathus Branson & Mehl, 1933, Rhodesognathus Bergström & Sweet, 1966, Eoplacognathus Hamar,1966, Cahabagnathus Bergström, 1983, Polyplacognathus Stauffer, 1935, Sagittodontina Knüpfer,1967, Promissum Kovács-Endrödy, 1986. Synonimy Zasięg czasowy Literatura Dzik, J. 1994. Conodonts of the Mójcza Limestone. In: J. Dzik, E. Olempska, & A. Pisera. Ordovician carbonate platform of the Holy Cross Mountains. Palaeontologia Polonica 53, 43-128. | 
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