Ancyrochitina sp.121b Lang.,1967
- Citations total:
- 3
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| original | Middle Devonian | Lange,F.W. Biostratigraphic subdivision and correlation of the Devonian in the Parana Basin | 1967 | ||
| original | Late Eifelian | Early Givetian | Grahn,Y. et al. Middle and Upper Devonian Chitinozoan biostratigraphy of the Parana Basin in Brazil and Paraguay. | 2002 | |
| original | Late Eifelian | Early Givetian | Paraguay | Grahn,Y. et al. Middle and Upper Devonian Chitinozoan biostratigraphy of the Parana Basin in Brazil and Paraguay. | 2002 |