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	Baja California	Exochosphaeridium alistosense	Helenes, 2000	0.5 in stage_Albian	106.85	38.19
LO	Baja California	Exochosphaeridium alistosense	Helenes, 2000	1 in stage_Albian	100.5	38.654
LO	ODP 748	Exochosphaeridium arnace	Mao Shaozhi and Mohr, 1992	0.5 in nan_n_CC24	71.195	-60.704
FO	ODP 748	Exochosphaeridium arnace	Mao Shaozhi and Mohr, 1992	0.2 in nan_n_CC24	71.826	-60.673
LO	Stevns Klint	Exochosphaeridium arnace	Surlyk et al., 2013	0.25 in nan_u_UC15	79.69	46.789
FO	Rodmell	Exochosphaeridium arnace	Tocher and Jarvis, 1996	0.5 in amm_b_Acanthoceras rhotomagense	95.875	43.53
FO	ODP 765	Exochosphaeridium arnace	Helby and McMinn, 1992	0 in mag_M1n	123.783	-49.775
LO	ODP 765	Exochosphaeridium arnace	Helby and McMinn, 1992	0 in mag_M1n	123.783	-49.775
FO	Fumichon	Exochosphaeridium arnace	Tocher and Jarvis, 1994	0.15 in amm_t_Acanthoceras rhotomagense	96.018	41.79
FO	Fumichon	Exochosphaeridium arnace	Tocher and Jarvis, 1994	0.15 in amm_t_Acanthoceras rhotomagense	96.018	41.79
FO	Brazil	Exochosphaeridium bahiaense	Regali et al., 1974	0 in stage_Priabonian	37.71	-29.335
LO	Brazil	Exochosphaeridium bahiaense	Regali et al., 1974	1 in stage_Rupelian	27.29	-28.485
FO	Java	Exochosphaeridium brevispinosum	Matsuoka, 1984a	0 in stage_Lutetian	48.07	-3.376
FO	Java	Exochosphaeridium brevispinosum	Matsuoka, 1984a	0 in stage_Lutetian	48.07	-3.376
LO	Java	Exochosphaeridium brevispinosum	Matsuoka, 1984a	1 in stage_Bartonian	37.71	-4.666
LO	Java	Exochosphaeridium brevispinosum	Matsuoka, 1984a	1 in stage_Bartonian	37.71	-4.666
FO	Stevns Klint	Exochosphaeridium brevitruncatum	Surlyk et al., 2013	0.25 in nan_u_UC15	79.69	46.789
LO	Meer	Exochosphaeridium brevitruncatum	Slimani et al., 2011	0.5 in stage_Maastrichtian	69.105	41.741
FO	Australia synthesis	Exochosphaeridium caputmedusae	Cookson and Eisenack, 1974	0 in stage_Coniacian	89.39	-52.84
LO	Australia synthesis	Exochosphaeridium caputmedusae	Cookson and Eisenack, 1974	1 in stage_Maastrichtian	66.04	-47.786
FO	North Sea Compilation	Exochosphaeridium crassum	Duxbury, 2019	0.5 in stage_Barremian	123.95	40.958
LO	North Sea Compilation	Exochosphaeridium crassum	Duxbury, 2019	1 in stage_Barremian	121.4	41.669
FO	Senegal	Exochosphaeridium elongatum	Jain and Millepied, 1975	0 in stage_Maastrichtian	72.17	6.636
LO	Senegal	Exochosphaeridium elongatum	Jain and Millepied, 1975	1 in stage_Maastrichtian	66.04	5.93
FO	Tremp	Exochosphaeridium giganteum	Caro, 1973	0 in stage_Ypresian	56	32.051
LO	Tremp	Exochosphaeridium giganteum	Caro, 1973	1 in stage_Ypresian	48.07	33.114
FO	Bylot Island	Exochosphaeridium gracile	Williams and Fensome, 2025	0.67 in stage_Maastrichtian	68.063	67.214
LO	Bylot Island	Exochosphaeridium gracile	Williams and Fensome, 2025	1 in stage_Selandian	59.24	66.176
FO	Kachchh	Exochosphaeridium granulosum	Jain and Tandon, 1981	0 in stage_Lutetian	48.07	0.749
LO	Kachchh	Exochosphaeridium granulosum	Jain and Tandon, 1981	1 in stage_Bartonian	37.71	8.395
FO	Trichinopoly	Exochosphaeridium indicum	Jain and Taugourdeau-Lantz, 1973	0 in stage_Berriasian	143.1	-45.527
LO	Trichinopoly	Exochosphaeridium indicum	Jain and Taugourdeau-Lantz, 1973	1 in stage_Cenomanian	93.9	-44.792
LO	Scotian Margin	Exochosphaeridium insigne	Fensome et al., 2008	0.75 in nan_n_NN5	13.96	40.88
FO	Chesapeake Bay	Exochosphaeridium insigne	De Verteuil and Norris, 1996a	0.6 in nan_n_NN2	20.58	35.918
LO	Chesapeake Bay	Exochosphaeridium insigne	De Verteuil and Norris, 1996a	0 in nan_n_NN3	19.18	36.009
FO	Jylland	Exochosphaeridium insigne	Dybkjaer and Piasecki, 2010	0.85 in nan_n_NN2	19.705	50.183
LO	Jylland	Exochosphaeridium insigne	Dybkjaer and Piasecki, 2010	1 in nan_n_NN3	17.94	50.632
LO	Pannonian Basin	Exochosphaeridium insigne	Jiménez-Moreno et al., 2006	0.5 in nan_n_NN4	16.4	41.758
FO	Shukheir-1	Exochosphaeridium insigne	Soliman et al., 2012	0 in nan_n_NN2	22.68	20.81
LO	Shukheir-1	Exochosphaeridium insigne	Soliman et al., 2012	0.5 in nan_n_NN4	16.4	22.784
LO	Jutland	Exochosphaeridium insigne	Kellner et al., 2025	0.47 in stage_Burdigalian	18.354	51.052
FO	Jutland	Exochosphaeridium insigne	Kellner et al., 2025	0.1 in stage_Burdigalian	20.004	50.612
LO	ODP 907	Exochosphaeridium insigne	Schreck and Matthiessen, 2014	0.5 in mag_C5ACn	13.905	64.642
FO	Australia synthesis	Exochosphaeridium longifilum	Cookson and Eisenack, 1982	0 in stage_Turonian	93.9	-55.275
LO	Australia synthesis	Exochosphaeridium longifilum	Cookson and Eisenack, 1982	1 in stage_Coniacian	85.7	-51.05
FO	ODP 959	Exochosphaeridium majus	Masure et al., 1998	0.75 in stage_Danian	62.755	-8.914
LO	Stevns Klint	Exochosphaeridium majus	Surlyk et al., 2013	1 in nan_u_UC20d	66.04	45.532
FO	Stevns Klint	Exochosphaeridium majus	Surlyk et al., 2013	0 in nan_u_UC16b	79.13	46.738
LO	Bohemian Basin	Exochosphaeridium majus	Olde et al., 2015	0.75 in nan_u_UC9c	87.758	43.332
FO	Bohemian Basin	Exochosphaeridium majus	Olde et al., 2015	0.5 between 0 nan_u_UC5c 1 nan_u_UC6	93.908	42.775
LO	Cordebugle	Exochosphaeridium majus	Tocher and Jarvis, 1996	0.55 in amm_b_Mantelliceras mantelli	99.216	41.481
FO	East Kent	Exochosphaeridium majus	Prince et al., 2008	1 in amm_b_Gauthiericeras margae	87.5	44.086
LO	East Kent	Exochosphaeridium majus	Prince et al., 2008	0.4 in amm_b_Scaphites hippocrepis III	81.306	43.464
FO	Pueblo	Exochosphaeridium majus	Dodsworth, 2000	0.1 in plfor_A_Whiteinella archaeocretacea	97.54	45.716
LO	Rif	Exochosphaeridium majus	Slimani et al., 2016	0.5 in stage_Maastrichtian	69.105	23.869
FO	Rodmell	Exochosphaeridium majus	Tocher and Jarvis, 1996	0 in amm_b_Mantelliceras mantelli	100.25	43.11
LO	Rodmell	Exochosphaeridium majus	Tocher and Jarvis, 1996	0 in amm_b_Mantelliceras mantelli	100.25	43.11
LO	Landana	Exochosphaeridium majus	Steeman et al., 2020	1 in plfor_B_P4	57.101	-9.091
FO	Poigny	Exochosphaeridium majus	Pearce et al., 2022	1 in stage_Coniacian	85.7	40.375
LO	Poigny	Exochosphaeridium majus	Pearce et al., 2022	1 in nan_u_UC15d	75.85	39.453
LO	Seymour Island	Exochosphaeridium majus	Bowman et al., 2012	1 in stage_Maastrichtian	66.04	-66.318
FO	Hor Harar	Exochosphaeridium majus	Eshet et al., 1992	0.95 in plfor_B_Plummerita hantkeninoides	66.058	13.705
FO	Western Carpathians	Exochosphaeridium majus	Skupien, 2004	1 in amm_t_Arrhaphoceras briacensis	100.25	33.618
LO	Fumichon	Exochosphaeridium majus	Tocher and Jarvis, 1994	0.25 in amm_t_Acanthoceras jukesbrownei	95.62	41.822
LO	Fumichon	Exochosphaeridium majus	Tocher and Jarvis, 1994	0.25 in amm_t_Acanthoceras jukesbrownei	95.62	41.822
FO	Fumichon	Exochosphaeridium majus	Tocher and Jarvis, 1994	0.2 in amm_t_Acanthoceras rhotomagense	95.998	41.792
FO	Fumichon	Exochosphaeridium majus	Tocher and Jarvis, 1994	0.2 in amm_t_Acanthoceras rhotomagense	95.998	41.792
FO	Aracaju	Exochosphaeridium majus	Santos et al., 2018	0.5 in nan_u_UC6	93.825	-12.563
LO	Aracaju	Exochosphaeridium majus	Santos et al., 2018	1 in nan_u_UC7	90.36	-13.624
LO	Stevns Klint	Exochosphaeridium masureae	Surlyk et al., 2013	0.5 in nan_u_UC16d	74.353	46.298
FO	Stevns Klint	Exochosphaeridium masureae	Surlyk et al., 2013	0 in nan_u_UC16c	77.563	46.593
LO	Rif	Exochosphaeridium masureae	Slimani et al., 2016	0.75 in stage_Campanian	75.04	24.279
FO	Poigny	Exochosphaeridium masureae	Pearce et al., 2022	1 in nan_u_UC14	80.97	39.907
LO	Poigny	Exochosphaeridium masureae	Pearce et al., 2022	1 in nan_u_UC15d	75.85	39.453
FO	Meer	Exochosphaeridium masureae	Slimani et al., 2011	0.5 in stage_Campanian	77.91	42.527
LO	Meer	Exochosphaeridium masureae	Slimani et al., 2011	0.6 in stage_Campanian	76.762	42.425
LO	Gulf	Exochosphaeridium muelleri	Srivastava, 1995	1 in plfor_A_Radotruncana calcarata	74.201	34.291
FO	Gulf	Exochosphaeridium muelleri	Srivastava, 1995	1 in plfor_A_Contusotruncana plummerae	75.911	34.178
FO	Salzburg	Exochosphaeridium muelleri	Boorova et al., 1999	0.2 in stage_Berriasian	142.02	29.593
LO	ODP 748	Exochosphaeridium multifurcatum	Mao Shaozhi and Mohr, 1992	0.65 in nan_n_CC23	73.509	-60.59
FO	East Kent	Exochosphaeridium multifurcatum	Prince et al., 2008	0 in amm_b_Peroniceras tridorsatum	89.39	44.319
FO	ODP 748	Exochosphaeridium phragmites	Mao Shaozhi and Mohr, 1992	0 in nan_n_CC23	75.854	-60.475
FO	North Sea Compilation	Exochosphaeridium phragmites	Costa and Davey, 1992	0.25 in amm_b_Speetoniceras inversum	130.667	39.313
LO	Stevns Klint	Exochosphaeridium phragmites	Surlyk et al., 2013	0.25 in nan_u_UC20d	66.969	45.618
FO	Bohemian Basin	Exochosphaeridium phragmites	Olde et al., 2015	0 in nan_u_UC8	90.36	43.295
LO	Bohemian Basin	Exochosphaeridium phragmites	Olde et al., 2015	1 in nan_u_UC9c	87.18	43.256
LO	Cordebugle	Exochosphaeridium phragmites	Tocher and Jarvis, 1996	0.55 in amm_b_Mantelliceras mantelli	99.216	41.481
FO	DSDP 364	Exochosphaeridium phragmites	Morgan, 1977	0 in nan_n_CC8b	110.726	-21.993
LO	DSDP 364	Exochosphaeridium phragmites	Morgan, 1977	1 in nan_n_CC8b	103.132	-22.581
FO	East Kent	Exochosphaeridium phragmites	Prince et al., 2008	0.5 in amm_b_Prionocyclus germani	89.545	44.339
LO	East Kent	Exochosphaeridium phragmites	Prince et al., 2008	0.67 in amm_b_Scaphites hippocrepis III	81.155	43.448
LO	Gulf	Exochosphaeridium phragmites	Srivastava, 1995	1 in plfor_A_Dicarinella asymetrica	79.33	33.952
FO	Omsk No. 8	Exochosphaeridium phragmites	Lebedeva et al., 2013	0 in mag_C31r	71.451	51.616
FO	Rodmell	Exochosphaeridium phragmites	Tocher and Jarvis, 1996	0.8 in amm_b_Arrhaphoceras briacensis	100.382	43.098
LO	Rodmell	Exochosphaeridium phragmites	Tocher and Jarvis, 1996	0.2 in amm_b_Mantelliceras mantelli	99.874	43.146
LO	Landana	Exochosphaeridium phragmites	Steeman et al., 2020	0.5 in plfor_B_P4	58.929	-9.5
FO	ODP 765	Exochosphaeridium phragmites	Helby and McMinn, 1992	0 in mag_M1r	124.169	-49.844
FO	Haldager 1	Exochosphaeridium phragmites	Davey, 1982	0 in amm_b_Endemoceras regale	131.81	43.633
FO	Rio Argos	Exochosphaeridium phragmites	Leereveld, 1997b	0.8 in amm_t_Tirnovella alpillensis	137.768	25.34
FO	Volga Basin	Exochosphaeridium phragmites	Harding et al., 2011	0.9 in amm_r_Riasanites rjasanensis	138.603	45.133
LO	Duneau	Exochosphaeridium phragmites	Tocher and Jarvis, 1995	0.25 in amm_t_Metoicoceras geslinianum	94.465	42.023
LO	Fumichon	Exochosphaeridium phragmites	Tocher and Jarvis, 1994	0.33 in amm_t_Acanthoceras rhotomagense	95.945	41.796
LO	Fumichon	Exochosphaeridium phragmites	Tocher and Jarvis, 1994	0.33 in amm_t_Acanthoceras rhotomagense	95.945	41.796
FO	Fumichon	Exochosphaeridium phragmites	Tocher and Jarvis, 1994	0.2 in amm_t_Mantelliceras dixoni	97.944	41.635
FO	Fumichon	Exochosphaeridium phragmites	Tocher and Jarvis, 1994	0.2 in amm_t_Mantelliceras dixoni	97.944	41.635
FO	Aracaju	Exochosphaeridium phragmites	Santos et al., 2018	0.8 in nan_u_UC6	93.78	-12.583
FO	Senegal	Exochosphaeridium punctatum	Jain and Millepied, 1975	0 in stage_Maastrichtian	72.17	6.636
LO	Senegal	Exochosphaeridium punctatum	Jain and Millepied, 1975	1 in stage_Maastrichtian	66.04	5.93
FO	Java	Exochosphaeridium reticulatum	Matsuoka, 1984a	0 in stage_Lutetian	48.07	-3.376
FO	Java	Exochosphaeridium reticulatum	Matsuoka, 1984a	0 in stage_Lutetian	48.07	-3.376
LO	Java	Exochosphaeridium reticulatum	Matsuoka, 1984a	1 in stage_Bartonian	37.71	-4.666
LO	Java	Exochosphaeridium reticulatum	Matsuoka, 1984a	1 in stage_Bartonian	37.71	-4.666
FO	Saint Armand	Exochosphaeridium rhabdophorum	Valensi, 1955b	0 in stage_Turonian	93.9	39.415
LO	Saint Armand	Exochosphaeridium rhabdophorum	Valensi, 1955b	1 in stage_Maastrichtian	66.04	36.471
FO	Saint Armand	Exochosphaeridium rhopalophorum	Valensi, 1955a	0 in stage_Turonian	93.9	39.415
LO	Saint Armand	Exochosphaeridium rhopalophorum	Valensi, 1955a	1 in stage_Maastrichtian	66.04	36.471
LO	ODP 765	Exochosphaeridium robustum	Helby and McMinn, 1992	0 in mag_M1n	123.783	-49.775
FO	Moray Firth	Exochosphaeridium robustum	Duxbury, 2018	0.25 in amm_b_Paratollia/Platylenticeras	136.08	44.436
FO	Vocontian Basin	Exochosphaeridium robustum	Duxbury, 2024	0.5 in amm_t_Tirnovella alpillensis	138.035	30.131
FO	Perth Basin	Exochosphaeridium robustum	Backhouse, 1988	0.5 in stage_Valanginian	135.15	-61.757
FO	Arctic Basin	Exochosphaeridium scitulum	Bujak et al., 2022	0 in amm_b_Pectinatites scitulus	148.67	72.095
LO	Alberta	Exochosphaeridium scitulum	Singh, 1971	1 in stage_Albian	100.5	64.185