Data plotted here is from DINOSTRAT, available via Zenodo: DOI: 10.5281/zenodo.18375303. Please cite Bijl, 2022 https://doi.org/10.5194/essd-14-579-2022 when using this data.

No stratigraphic data available. If you know publications where stratigraphic ranges of this species or genus are calibrated, report this by using the feedback button below.

Plots are based on the following information

FO/LO	Location	Source	Calibration	Age (Ma)	Paleolatitude
FO	Banks Island, Canada	Williams et al., 2025	0.4 in stage_Cenomanian	97.86	80.217
FO	Cape Nares, Canada	Williams et al., 2025	0.7 in stage_Albian	104.31	80.018
LO	Banks Island, Canada	Williams et al., 2025	0.5 in stage_Cenomanian	97.2	80.307
LO	Cape Nares, Canada	Williams et al., 2025	1 in stage_Albian	100.5	80.532