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
LO	North Sea Compilation	Systematophora areolata	Riding and Thomas, 1992	0.5 in amm_b_Subcraspedites lamplughi	142.505	39.865
LO	Australia synthesis	Systematophora areolata	Helby et al., 1987	0.5 in stage_Aptian	117.3	-53.497
FO	Australia synthesis	Systematophora areolata	Helby et al., 1987	0.66 in stage_Tithonian	145.188	-48.68
LO	ODP 638B	Systematophora areolata	Masure, 1988a	1 in nan_n_CC3b	132.966	34.487
LO	Arctic Basin	Systematophora areolata	Williams et al., 2025	0.33 in stage_Berriasian	141.318	71.007
FO	Champagne	Systematophora areolata	Fauconnier, 1995	0 in amm_b_Cardioceras cordatum	159.66	37.379
FO	Isle of Skye	Systematophora areolata	Riding and Thomas, 1997	0 in amm_b_Perisphinctes plicatilis	159.1	43.785
LO	Isle of Skye	Systematophora areolata	Riding and Thomas, 1997	0.5 in amm_b_Rasenia cymodoce	152.72	44.49
LO	ODP 765	Systematophora areolata	Helby and McMinn, 1992	0.75 in nan_n_CC7a	119.931	-49.097
LO	Salzburg	Systematophora areolata	Boorova et al., 1999	0.5 in stage_Valanginian	135.15	28.579
FO	Northwest Australia compilation	Systematophora areolata	Riding et al., 2010	0.5 in stage_Tithonian	146.17	-50.193
FO	Volga Basin	Systematophora areolata	Harding et al., 2011	0.25 in amm_r_Craspedites subditus	143.8	46.061
LO	Angles	Systematophora areolata	Monteil, 1993	1 in amm_t_Fauriella boissieri	138.48	30.471
FO	China Sea	Systematophora conspicua	He Chengquan and Li Peng, 1981	0 in stage_Chattian	27.29	21.074
LO	China Sea	Systematophora conspicua	He Chengquan and Li Peng, 1981	1 in stage_Chattian	23.04	21.47
LO	North Sea Compilation	Systematophora cretacea	Costa and Davey, 1992	1 in amm_b_Dimorphoplites biplicatus	107.59	44.344
FO	North Sea Compilation	Systematophora cretacea	Costa and Davey, 1992	0 in amm_b_Lyelliceras lyelli	110.22	44.1
LO	DSDP 400A	Systematophora cretacea	Davey, 1979b	0.5 in nan_u_BC25	106.115	39.576
FO	DSDP 400A	Systematophora cretacea	Davey, 1979b	0.5 in nan_u_BC23	111.565	39.1
FO	Isle of Wright	Systematophora cretacea	Duxbury, 1983	0.5 in amm_b_Leymeriella tardefurcata	111.07	42.214
LO	Salzburg	Systematophora cretacea	Boorova et al., 1999	0.2 in stage_Valanginian	136.68	28.805
FO	Salzburg	Systematophora cretacea	Boorova et al., 1999	0.1 in stage_Valanginian	137.19	28.88
FO	Bering Sea	Systematophora curta	Matsuoka and Bujak, 1988	0 in stage_Chattian	27.29	64.604
LO	Bering Sea	Systematophora curta	Matsuoka and Bujak, 1988	1 in stage_Burdigalian	15.99	61.8
FO	North Sea Compilation	Systematophora daveyi	Riding and Thomas, 1992	0 in amm_b_Rasenia cymodoce	153.4	40.181
LO	Haldager 1	Systematophora daveyi	Davey, 1982	1 in amm_b_Stolcoceras tuberculatum	132.75	43.672
LO	Volga Basin	Systematophora daveyi	Harding et al., 2011	0.75 in amm_r_Craspedites nodiger	142.727	45.869
FO	Vocontian Basin	Systematophora daveyi	Duxbury, 2024	0.4 in amm_t_Tirnovella alpillensis	138.124	30.135
LO	Vocontian Basin	Systematophora daveyi	Duxbury, 2024	0.15 in amm_t_Karakaschiceras inostranzewi	135.91	30.028
FO	Northwest Australia compilation	Systematophora geminus	Riding and Helby, 2001d	0.2 in stage_Callovian	164.538	-40.458
LO	Northwest Australia compilation	Systematophora geminus	Riding and Helby, 2001d	0.1 in stage_Oxfordian	160.855	-41.698
FO	Dalmiapuram	Systematophora granulosa	Jain, 1975	0 in stage_Albian	113.2	-47.741
LO	Dalmiapuram	Systematophora granulosa	Jain, 1975	0.5 in stage_Albian	106.85	-46.794
FO	North Bulgaria	Systematophora jubifera	Dodekova, 1994	0.5 in stage_Tithonian	146.17	32.273
LO	North Bulgaria	Systematophora jubifera	Dodekova, 1994	1 in stage_Tithonian	143.1	31.948
LO	Arctic Basin	Systematophora ovata	Bujak et al., 2022	0 in amm_b_Progalbanites albani	145.1	71.567
LO	Haldager 1	Systematophora ovata	Davey, 1982	0.5 in amm_b_Peregrinoceras albidum	137.2	43.803
FO	Haldager 1	Systematophora ovata	Davey, 1982	0.8 in amm_b_Progalbanites albani	144.948	43.996
FO	Figueira Da Foz	Systematophora penicillata	Smelror et al., 1991	0 in amm_t_Macrocephalites gracilis	164.68	31.207
FO	Isle of Skye	Systematophora penicillata	Riding and Thomas, 1997	0.9 in amm_b_Perisphinctes plicatilis	158.425	43.86
LO	Isle of Skye	Systematophora penicillata	Riding and Thomas, 1997	0 in amm_b_Rasenia cymodoce	153.4	44.415
LO	North Yorkshire	Systematophora penicillata	Bailey et al., 1997	0 in amm_b_Pectinatites pectinatus	147.36	41.405
FO	North Bulgaria	Systematophora prodigiosa	Dodekova, 1994	0.25 in stage_Tithonian	147.705	32.435
LO	North Bulgaria	Systematophora prodigiosa	Dodekova, 1994	0.75 in stage_Tithonian	144.635	32.11
FO	Neuquen	Systematophora rosenfeldii	Volkheimer and Sarjeant, 1993	0 in stage_Valanginian	137.7	-34.285
LO	Neuquen	Systematophora rosenfeldii	Volkheimer and Sarjeant, 1993	1 in stage_Hauterivian	126.5	-35.686
LO	Q13_14	Systematophora scoriacea	Duxbury, 2001	0 in amm_b_Polyptychites	136.72	45.291
LO	Salzburg	Systematophora scoriacea	Boorova et al., 1999	0.4 in stage_Valanginian	135.66	28.654
FO	Salzburg	Systematophora scoriacea	Boorova et al., 1999	0.25 in stage_Berriasian	141.75	29.553
LO	Central Danish Trough	Systematophora scoriacea	Heilmann-Clausen, 1987	1 in amm_b_Endemoceras regale	130.91	42.729
FO	Central Danish Trough	Systematophora scoriacea	Heilmann-Clausen, 1987	0 in amm_b_Surites stenomphalus	138.25	43.121
LO	Angles	Systematophora scoriacea	Monteil, 1993	1 in amm_t_Thurmanniceras pertransiens	136.72	30.377
FO	mid-Waipara	Systematophora septata	Wilson, 1988	0 in stage_Ypresian	56	-49.475
LO	mid-Waipara	Systematophora septata	Wilson, 1988	1 in stage_Ypresian	48.07	-47.719
FO	Northwest France	Systematophora silvosa	Kennedy et al., 2000	0.75 in stage_Aptian	115.25	41.478
LO	Northwest France	Systematophora silvosa	Kennedy et al., 2000	1 in stage_Aptian	113.2	41.726
FO	Dongpu	Systematophora taiwaniana	Shaw Chenglong, 1999b	0 in stage_Ypresian	56	30.254
LO	Dongpu	Systematophora taiwaniana	Shaw Chenglong, 1999b	1 in stage_Priabonian	33.9	27.993
FO	Tarim Basin	Systematophora tianshianensis	He Chengquan, 1991	0 in stage_Ypresian	56	38.42
LO	Tarim Basin	Systematophora tianshianensis	He Chengquan, 1991	1 in stage_Priabonian	33.9	37.798
FO	Marche	Systematophora urbinii	Biffi and Manum, 1988	0 in stage_Aquitanian	23.04	35.723
LO	Marche	Systematophora urbinii	Biffi and Manum, 1988	1 in stage_Burdigalian	15.99	37.736
FO	Contessa	Systematophora urbinii	Montanari et al., 1997	0.5 in mag_C6An.1n	20.081	36.21
FO	Isle of Skye	Systematophora valensii	Riding and Thomas, 1997	0.67 in amm_b_Perisphinctes cautisnigrae	157.464	43.966
LO	Isle of Skye	Systematophora valensii	Riding and Thomas, 1997	0.5 in amm_b_Rasenia cymodoce	152.72	44.49
FO	Australia synthesis	Systematophora variabilis	Cookson and Eisenack, 1967a	0 in stage_Danian	66.04	-47.786
LO	Australia synthesis	Systematophora variabilis	Cookson and Eisenack, 1967a	1 in stage_Thanetian	56	-45.002