Data plotted here is from DINOSTRAT, available via Zenodo: DOI: 10.5281/zenodo.7791273. Please cite Bijl, 2022 https://doi.org/10.5194/essd-14-579-2022 when using this data.


Plots are based on the following information

Location	Taxon	Source	Calibration	Age (Ma)	Paleolatitude
Arctic Basin	Sverdrupiella mutabilis	Bujak et al., 2022	0 in amm_b_Psiloceras planorbis	201.26	65.45313655714286
North Sea Compilation	Sverdrupiella mutabilis	Riding and Thomas, 1992	1 in stage_Rhaetian	201.36	37.573774769230766
Scotian Margin	Sverdrupiella spp.	Williams et al., 1993	0.75 in stage_Norian	211.13	17.368309825
Scotian Margin	Sverdrupiella spp.	Williams et al., 1993	0.2 in stage_Rhaetian	204.864	20.561065946666666
Arctic	Sverdrupiella baccata	Mangerud et al., 2020	0 in stage_Rhaetian	205.74	NA
Arctic	Sverdrupiella manicata	Mangerud et al., 2020	0 in stage_Rhaetian	205.74	NA
Arctic	Sverdrupiella mutabilis	Mangerud et al., 2020	0 in stage_Rhaetian	205.74	NA
Arctic	Sverdrupiella ornaticingulata	Mangerud et al., 2020	0 in stage_Rhaetian	205.74	NA
Arctic	Sverdrupiella raiaformis	Mangerud et al., 2020	0 in stage_Rhaetian	205.74	NA
Arctic	Sverdrupiella septentrionalis	Mangerud et al., 2020	0 in stage_Rhaetian	205.74	NA
Denmark3	Sverdrupiella spp.	Poulsen and Riding, 2003 sensu Riding et al., 2010	0.45 in stage_Rhaetian	203.769	41.477070409999996
Denmark3	Sverdrupiella spp.	Poulsen and Riding, 2003 sensu Riding et al., 2010	0.5 in stage_Rhaetian	203.55	41.62053949999999
nw Australia compilation	Sverdrupiella spp.	Riding et al., 2010	0.5 in stage_Carnian	232.15	-37.2734588125
nw Australia compilation	Sverdrupiella spp.	Riding et al., 2010	0.5 in stage_Rhaetian	203.55	-29.106745

Histogram