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	Meiourogonyaulax planoseptata	Bujak et al., 2022	0 in amm_b_Proplanulites koenigi	164.6	73.21211285714286
Arctic Basin	Meiourogonyaulax valensii	Bujak et al., 2022	0 in amm_b_Kosmoceras jason	163.47	73.32359542857142
Arctic Basin	Meiourogonyaulax planoseptata	Bujak et al., 2022	0 in amm_b_Quenstedtoceras mariae	161.53	73.51499028571428
Arctic Basin	Meiourogonyaulax deflandrei	Bujak et al., 2022	0 in amm_b_Pictonia baylei	154.78	73.0867148
North Sea Compilation	Meiourogonyaulax stoveri	Costa and Davey, 1992	0 in amm_b_Endemoceras amblygonium	132.6	39.42452866666667
North Sea Compilation	Meiourogonyaulax stoveri	Costa and Davey, 1992	1 in amm_b_Leymeriella tardefurcata	110.87	44.412710884999996
North Sea Compilation	Meiourogonyaulax reticulata	Riding and Thomas, 1992	1 in amm_b_Clydoniceras discus	165.29	39.94693105
North Sea Compilation	Meiourogonyaulax valensii	Riding and Thomas, 1992	0 in amm_b_Leioceras opalinum	174.7	40.6696609
North Sea Compilation	Meiourogonyaulax reticulata	Riding and Thomas, 1992	0 in amm_b_Procerites hodsoni	166.04	39.9242398
North Sea Compilation	Meiourogonyaulax caytonensis	Riding and Thomas, 1992	0 in amm_b_Stephanoceras humphriesianum	170.09	39.801707050000005
North Sea Compilation	Meiourogonyaulax valensii	Riding and Thomas, 1992	0.67 in amm_b_Zigzagiceras zigzag	167.36599999999999	39.884121670000006
Vallentigny	Meiourogonyaulax stoveri	Davey and Verdier, 1971	0.5 in amm_b_Anahoplites intermedius	108.905	40.16182016
361	Meiourogonyaulax bulloidea	Davey, 1978	0.55 in nan_c_NC6b	119.90149754031069	-42.22345503884299
361	Meiourogonyaulax bulloidea	Davey, 1978	0.2 in nan_c_NC6b	120.29050118277455	-42.173248087748256
400A	Meiourogonyaulax stoveri	Davey, 1979	0.33 in nan_u_BC22	114.11991488054556	38.54779441394738
400A	Meiourogonyaulax psora	Davey, 1979	0.5 in nan_u_BC21	116.70869989121962	37.69579074980107
Haldager 1	Meiourogonyaulax bulloidea	Davey, 1982	1 in amm_b_Surites icenii	138.25	43.82946305555555
Kandern	Meiourogonyaulax deflandrei	Dimter and Smelror, 1990	0.8 in amm_b_Sigaloceras calloviense	163.55	37.3749897
Calvados	Meiourogonyaulax valensii	Feist-Burkhardt and Monteil, 1997	0.67 in amm_b_Parkinsonia parkinsoni	168.3515	35.983329945
Calvados	Meiourogonyaulax valensii	Feist-Burkhardt and Monteil, 1997	0.5 in amm_b_Stephanoceras humphriesianum	169.91500000000002	35.92021145
Scotian Margin	Meiourogonyaulax bulloidea	Williams et al., 1993	0 in stage_Aptian	121.4	37.61443509090909
Scotian Margin	Meiourogonyaulax deflandrei	Williams et al., 1993	0.15 in stage_Bathonian	167.738	29.009380922857144
Scotian Margin	Meiourogonyaulax bulloidea	Williams et al., 1993	0.4 in stage_Hauterivian	130.16	35.56944494545455
Scotian Margin	Meiourogonyaulax deflandrei	Williams et al., 1993	0.15 in stage_Oxfordian	160.5175	31.06756381785714
765	Meiourogonyaulax stoveri	Helby and McMinn, 1992	0.2 in mag_C34n	113.50127111111112	-50.764107510559995
765	Meiourogonyaulax maculata	Helby and McMinn, 1992	0.8 in nan_n_CC3	133.85468154484076	-53.33822804039858
Australia Synthesis	Meiourogonyaulax reticulata	Helby et al., 1987	0.8 in stage_Berriassian	138.78	-64.70852477777778
Australia Synthesis	Meiourogonyaulax diaphana	Helby et al., 1987	0.75 in stage_Tithonian	144.635	-62.57102691666667
Rio Argos	Meiourogonyaulax amlasis	Leereveld, 1997a	0.6 in amm_t_Lyticoceras nodosoplicatum	130.328	24.352142335408118
Rio Argos	Meiourogonyaulax bulloidea	Leereveld, 1997a	0.5 in amm_t_Lyticoceras nodosoplicatum	130.425	24.340037853102835
Rio Argos	Meiourogonyaulax amlasis	Leereveld, 1997a	1 in amm_t_Subsaynella sayni	128.82	24.688334766958512
Rio Argos	Meiourogonyaulax pertusa	Leereveld, 1997a	1 in amm_t_Subsaynella sayni	128.82	24.688334766958512
638B	Meiourogonyaulax pertusa	Masure, 1988	0.25 in nan_n_CC3b	135.68340100058015	34.64027291536785
638B	Meiourogonyaulax stoveri	Masure, 1988	0.5 in nan_n_CC6	123.47120286697606	34.82824294066548
638B	Meiourogonyaulax stoveri	Masure, 1988	0.9 in nan_n_CC4b	128.29879531728548	34.309509354438916
Czestochowa	Meiourogonyaulax spongiosa	Poulsen, 1998	0 in amm_t_Clydoniceras discus	165.5	41.83344666666667
Czestochowa	Meiourogonyaulax caytonensis	Poulsen, 1998	0.4 in amm_t_Parkinsonia parkinsoni	168.5	42.199886666666664
Czestochowa	Meiourogonyaulax valensii	Poulsen, 1998	0.8 in amm_t_Parkinsonia parkinsoni	168.28	42.1730144
Czestochowa	Meiourogonyaulax spongiosa	Poulsen, 1998	0.75 in amm_t_Procerites aurigerus	167.12	42.031324266666665
nw Australia compilation	Meiourogonyaulax penitabulata	Riding and Helby, 2001b	0.65 in stage_Callovian	162.846	-41.04614279571429
nw Australia compilation	Meiourogonyaulax penitabulata	Riding and Helby, 2001c	0.55 in stage_Callovian	163.222	-40.92181007
nw Australia compilation	Meiourogonyaulax bulloidea	Riding and Helby, 2001f	0 in stage_Tithonian	149.24	-47.3907684
nw Australia compilation	Meiourogonyaulax bulloidea	Riding and Helby, 2001f	0.4 in stage_Valanginian	135.66	-53.30381726666667
Isle of Skye	Meiourogonyaulax caytonensis	Riding and Thomas, 1997	0 in amm_b_Macrocephalites herveyi	165.29	43.0041961
Isle of Skye	Meiourogonyaulax planoseptata	Riding and Thomas, 1997	0 in amm_b_Macrocephalites herveyi	165.29	43.0041961
Isle of Skye	Meiourogonyaulax planoseptata	Riding and Thomas, 1997	0.9 in amm_b_Macrocephalites herveyi	164.66899999999998	43.07693521
Isle of Skye	Meiourogonyaulax reticulata	Riding and Thomas, 1997	0.25 in amm_b_Macrocephalites herveyi	165.1175	43.02440140833333
Isle of Skye	Meiourogonyaulax caytonensis	Riding and Thomas, 1997	0 in amm_b_Peltoceras athleta	162.91	43.28297078888889
Isle of Skye	Meiourogonyaulax reticulata	Riding and Thomas, 1997	0 in amm_b_Peltoceras athleta	162.91	43.28297078888889
North Sea Coast	Meiourogonyaulax borealis	Riley and Fenton, 1982	1 in amm_b_Erymnoceras coronatum	162.91	36.57895875
North Sea Coast	Meiourogonyaulax cristulata	Riley and Fenton, 1982	1 in amm_b_Erymnoceras coronatum	162.91	36.57895875
Caucasus	Meiourogonyaulax planoseptata	Smelror and Lominadze, 1989	0 in amm_t_Erymnoceras coronatum	163.3	37.5975
Caucasus	Meiourogonyaulax planoseptata	Smelror and Lominadze, 1989	1 in amm_b_Kosmoceras jason	163.3	37.5975
Caucasus	Meiourogonyaulax reticulata	Smelror and Lominadze, 1989	1 in amm_b_Kosmoceras jason	163.3	37.5975
Caucasus	Meiourogonyaulax spongiosa	Smelror and Lominadze, 1989	0 in amm_b_Kosmoceras jason	163.47	37.61025
Caucasus	Meiourogonyaulax spongiosa	Smelror and Lominadze, 1989	1 in amm_b_Kosmoceras jason	163.3	37.5975
Caucasus	Meiourogonyaulax bathonica	Smelror and Lominadze, 1989	1 in amm_b_Proplanulites koenigi	163.87	37.64025
Caucasus	Meiourogonyaulax callomonii	Smelror and Lominadze, 1989	1 in amm_b_Proplanulites koenigi	163.87	37.64025
Figueira Da Foz	Meiourogonyaulax spongiosa	Smelror et al., 1991	0.6 in amm_t_Bullatimorphites bullatus	164.924	31.090136284
Figueira Da Foz	Meiourogonyaulax valensii	Smelror et al., 1991	0.4 in amm_t_Bullatimorphites bullatus	165.046	31.077953486
Milne Land	Meiourogonyaulax callomonii	Smelror, 1988a	1 in amm_b_Peltoceras athleta	162.45	50.7554714375
Milne Land	Meiourogonyaulax deflandrei	Smelror, 1988a	0.6 in amm_b_Proplanulites koenigi	164.162	50.6173708175
Milne Land	Meiourogonyaulax deflandrei	Smelror, 1988a	0.8 in amm_b_Proplanulites koenigi	164.016	50.62914809
Milne Land	Meiourogonyaulax callomonii	Smelror, 1988a	0.5 in amm_b_Sigaloceras calloviense	163.67000000000002	50.6570586125
Milne Land	Meiourogonyaulax strongyla	Smelror, 1988a	0 in amm_b_Sigaloceras calloviense	163.87	50.6409253625
Milne Land	Meiourogonyaulax strongyla	Smelror, 1988a	0.25 in amm_b_Sigaloceras calloviense	163.77	50.6489919875
Kong Karls Land	Meiourogonyaulax caytonensis	Smelror, 1988b	0 in amm_b_Cardioceras cordatum	159.66	67.1880117857143
Kong Karls Land	Meiourogonyaulax caytonensis	Smelror, 1988b	0.75 between 0 amm_b_Macrocephalites herveyi 1 amm_b_Peltoceras athleta	163.16	66.75369928571429
Barentz Sea	Meiourogonyaulax planoseptata	Smelror, 1994	1 in stage_Bathonian	165.29	65.02230036428571
Barentz Sea	Meiourogonyaulax planoseptata	Smelror, 1994	0 in stage_Oxfordian	161.53	65.42403219285714
Dorset-Yorkshire	Meiourogonyaulax caytonensis	Woollam and Riding, 1983	0 in amm_b_Garantiana garantiana	169.27	38.1586258
Dorset-Yorkshire	Meiourogonyaulax valensii	Woollam and Riding, 1983	0 in amm_b_Garantiana garantiana	169.27	38.1586258
North Sea Basin	Meiourogonyaulax caytonensis	Copestake and Partington, 2023	1 in amm_b_Quenstedtoceras lamberti	161.53	43.250627685714285
North Sea Basin	Meiourogonyaulax valensii	Copestake and Partington, 2023	0 in amm_b_Procerites progracilis	166.97	43.03804802857143
North Sea Basin	Meiourogonyaulax valensii	Copestake and Partington, 2023	0.1 in amm_b_Stephanoceras humphriesianum	170.055	42.91749504285714

Histogram