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.

Distribution


Plots are based on the following information

FO/LO	Location	Taxon	Source	Calibration	Age (Ma)	Paleolatitude
FO	MacKenzie	Heibergella aculeata	Bujak and Fisher, 1976	0 in stage_Norian	227.3	44.108
LO	MacKenzie	Heibergella aculeata	Bujak and Fisher, 1976	1 in stage_Norian	205.74	46.578
LO	Arctic Basin	Heibergella asymmetrica	Mangerud et al., 2020	0 in stage_Rhaetian	205.74	63.339
FO	Arctic Basin	Heibergella asymmetrica	Mangerud et al., 2020	0 in stage_Norian	227.3	56.873
FO	MacKenzie	Heibergella asymmetrica	Bujak and Fisher, 1976	0 in stage_Norian	227.3	44.108
FO	China Sea	Heibergella circularis	He Chengquan and Li Peng, 1981	0 in stage_Chattian	27.29	21.074
LO	China Sea	Heibergella circularis	He Chengquan and Li Peng, 1981	1 in stage_Chattian	23.04	21.47
LO	North Sea Compilation	Heibergella kendelbachia	Riding and Thomas, 1992	1 in stage_Rhaetian	201.36	37.343
LO	Northwest Australia compilation	Heibergella kendelbachia	Riding et al., 2010	0.75 in stage_Hettangian	199.935	-29.328
FO	Northwest Australia compilation	Heibergella kendelbachia	Riding et al., 2010	0.1 in stage_Rhaetian	205.302	-29.289
FO	Denmark synthesis	Heibergella kendelbachia	Poulsen and Riding, 2003 sensu Riding et al., 2010	0 in stage_Rhaetian	205.74	40.839
LO	Northern Carnarvon Basin	Heibergella obelixii	Mantle et al., 2020	0.5 in stage_Norian	216.52	-31.949
FO	Northern Carnarvon Basin	Heibergella obelixii	Mantle et al., 2020	0.25 in stage_Carnian	234.575	-39.327
FO	Northern Carnarvon Basin	Heibergella obscura	Mantle et al., 2020	0.5 in stage_Norian	216.52	-31.949
LO	Northern Carnarvon Basin	Heibergella obscura	Mantle et al., 2020	0.5 in stage_Rhaetian	203.55	-29.194
LO	Arctic Basin	Heibergella salebrosacea	Mangerud et al., 2020	0 in stage_Rhaetian	205.74	63.339
FO	MacKenzie	Heibergella salebrosacea	Bujak and Fisher, 1976	0 in stage_Norian	227.3	44.108