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
Mudurnu Basin	Kallosphaeridium yorubaense	Açikalin et al., 2015	0.25 in plfor_B_P1b	64.8791	30.4
Mudurnu Basin	Kallosphaeridium yorubaense	Açikalin et al., 2015	0.75 in plfor_B_Pa	65.8005	30.4
959	Kallosphaeridium orchiesense	Awad and Oboh-Ikenobe, 2016	0.8 in nan_c_CP6	57.78618	-9.0413055647
959	Kallosphaeridium yorubaense	Awad and Oboh-Ikenobe, 2016	0.8 in nan_c_CP6	57.78618	-9.0413055647
959	Kallosphaeridium orchiesense	Awad and Oboh-Ikenobe, 2016	0.5 in nan_c_CP8a	56.612049999999996	-8.88231075075
959	Kallosphaeridium yorubaense	Awad and Oboh-Ikenobe, 2016	0.25 in nan_c_CP8b	55.7238275	-8.753085492775
400A	Kallosphaeridium helbyi	Davey, 1979	0.5 in nan_u_BC25	106.11532500000001	39.276104631375
Calvados	Kallosphaeridium hypornatum	Feist-Burkhardt and Monteil, 1997	0.33 in amm_b_Witchellia laeviuscula	170.5545	35.894394835
Calvados	Kallosphaeridium hypornatum	Feist-Burkhardt and Monteil, 1997	1 in amm_b_Zigzagiceras zigzag	166.97	36.0391011
Hausen	Kallosphaeridium spp.	Feist-Burkhardt, 1990	0.95 in amm_b_Leioceras opalinum	172.79999999999998	38.191137999999995
Hausen	Kallosphaeridium spp.	Feist-Burkhardt, 1990	0.5 in amm_b_Witchellia laeviuscula	170.495	37.769642062500004
Viborg-1	Kallosphaeridium brevibarbatum	Heilmann-Clausen, 1985	0.5 in nan_n_NP10	55.04653	47.4705714551
Suvlu	Kallosphaeridium orchiesense	King et al., 2018	0.2 in nan_n_NP11	53.859648	37.99617001648
Suvlu	Kallosphaeridium orchiesense	King et al., 2018	1 in nan_n_NP12	50.64589	38.294414793275
Omsk No. 8	Kallosphaeridium ringnesiorum	Lebedeva et al., 2013	0.25 in mag_C31r	70.90600000000002	51.60900229714286
748	Kallosphaeridium granulatum	Mao and Mohr, 1992	0.5 in nan_n_CC24	71.19500000000002	-60.537693554166665
748	Kallosphaeridium helbyi	Mao and Mohr, 1992	1 in nan_n_CC24	70.14300000000001	-60.610608550833334
748	Kallosphaeridium granulatum	Mao and Mohr, 1992	0.3 in nan_n_CC24	71.61580000000001	-60.508527555499995
748	Kallosphaeridium ringnesiorum	Mao and Mohr, 1992	0.5 in nan_n_CC24	71.19500000000002	-60.537693554166665
748	Kallosphaeridium ringnesiorum	Mao and Mohr, 1992	0 in nan_n_CC23	75.85371	-60.21479448180833
Czestochowa	Kallosphaeridium praussii	Poulsen, 1998	0.5 in amm_t_Morrisiceras morrisi	166.12	41.9091776
Czestochowa	Kallosphaeridium capulatum	Poulsen, 1998	0.3 in amm_t_Parkinsonia parkinsoni	168.555	42.20660473333333
Czestochowa	Kallosphaeridium hypornatum	Poulsen, 1998	1 in amm_t_Procerites aurigerus	166.97	42.01300226666667
Czestochowa	Kallosphaeridium capulatum	Poulsen, 1998	0.75 in amm_t_Procerites aurigerus	167.12	42.031324266666665
east Kent	Kallosphaeridium ringnesiorum	Prince et al., 2008	0 in amm_b_Peroniceras tridorsatum	89.39	45.089179900000005
Shukheir-1	Kallosphaeridium biornatum	Soliman et al., 2012	0.5 in nan_n_NN3	18.560000000000002	22.290219292307693
Landana	Kallosphaeridium parvum	Steeman et al., 2020	0.1 in plfor_B_P5	56.991	-9.0039857025
Gulf of Guinea	Kallosphaeridium helbyi	Guerrero-Murcia and Helenes, 2022	1 in stage_Campanian	72.17	5.56803914117647

Histogram