- Taxon calibrated
- Crown Chondrostei
- Minimum age
- 120.8 Ma
- Maximum 95% CI age
- 233.7 Ma
- Authority
- See Benton et al. (2015)
- Locality
- Yixian Formation, China
- Age Authority
- See argumentation in Benton et al. (2015), calibration 26
- Outgroup sequence
- Protopsephurus luii (Crown Chondrostei, 120.8 Ma)
- Peipiaosteus pani (stem Chondrostei 3, 129.3 Ma)
- Chondrosteus acipenseroides (stem Chondrostei 2, 193.81 Ma)
- Birgeria groenlandica (stem Chondrostei 1, 250.1 Ma)
- Taxa this fossil might apply to:
- Class: Actinopteri
- Subclass: Chondrostei
- Order: Acipenseriformes