Genus
Yangtzeplacognathus Zhang, 1998
Aiheeseen liittyvät julkaisut
Männik, P., Viira, V. 2012. Ordovician conodont diversity in the northern Baltic. Estonian Journal of Earth Sciences 61, 1, 1-14. Estonian Academy Publishers. DOI:10.3176/earth.2012.1.01
Hints, O., Viira, V., Nõlvak, J. 2012. Darriwilian (Middle Ordovician) conodont biostratigraphy in NW Estonia. Estonian Journal of Earth Sciences 61, 4, 210-226. DOI:10.3176/earth.2012.4.03
Viira, V. 2011. Lower and Middle Ordovician conodonts from subsurface of SE Estonia and adjacent Russia. Estonian Journal of Earth Sciences 60, 1, 1-21. DOI:10.3176/earth.2011.1.01
Sjöstrand, L. L. M. 2003. Early to early Middle Ordovician conodont biostratigraphy of the Tamsalu drill core, central Estonia. Examensarbeite i geologi vid Lunds Universitet 156, 1-20. Lunds Universitet.
Löfgren, A. 1978. Arenigian and Llanvirnian cocodonts from Jämtland, northern Sweden. Fossils and Strata 13, 1-129.
Fåhraeus, L. E. 1966. Lower Viruan (Middle Ordovician) conodonts from the Gullhögen quarry, southern central Sweden. Sveriges Geologiska Undersökning 610, 1-40.
List of species
1. Yangtzeplacognathus crassus (Chen et Zhang, 1993) | Middle Ordovician
2. Yangtzeplacognathus foliaceus (Fåhraeus, 1966) | Lasnamägi Stage
3. Yangtzeplacognathus protoramosus (Chen, Chen et Zhang, 1983) | Uhaku Stage
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Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Chordata |
| Class | Conodonta |
| Family | Polyplacognathidae |
| Genus | Baltoplacognathus |
| Eoplacognathus | |
| Yangtzeplacognathus | |
| Species | crassus |
| foliaceus | |
| protoramosus |