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
959	Achomosphaera triangulata	Masure et al., 1998	1 in stage_Maastrichtian	66.04	-8.802277933333333
959	Achomosphaera verdieri	Masure et al., 1998	0.5 in stage_Coniacian	87.545	-5.2155249928571425
959	Achomosphaera verdieri	Masure et al., 1998	0 in stage_Santonian	85.7	-5.6991495714285705
Tusa	Achomosphaera alcicornu	Baruffini et al., 2002	0.25 in nan_c_CP15	36.9375	30.241666666666667
Marche	Achomosphaera andalousiensis	Zevenboom, 1995	1 in mag_C5An	12.049	40.10686205162428
U1356	Achomosphaera alcicornu	Bijl et al., 2013	0.5 in mag_C22n	49.272	NA
1171	Achomosphaera crassipellis	Bijl et al., 2013	0 in mag_C17n	38.081	-61.91092770117647
1171	Achomosphaera crassipellis	Bijl et al., 2013	1 in mag_C24n.2r	53.12	-63.76454637647059
1172	Achomosphaera alcicornu	Bijl et al., 2021	0.75 in mag_C31r	69.81600000000002	-63.031853520000006
1172	Achomosphaera ramulifera	Bijl et al., 2021	0.5 in mag_C28n	64.091	-61.43150096
Massignano_Monte Cagnero	Achomosphaera verdieri	Brinkhuis and Biffi, 1993	0.75 in mag_C13n	33.342	35.72585151320976
1168	Achomosphaera andalousiensis	Brinkhuis et al., 2003a	0 in mag_C3Br.3r	7.537	-44.09234012176471
Priabona	Achomosphaera alcicornu	Brinkhuis, 1994	0 in mag_C13n	33.726	37.78766666666667
552	Achomosphaera ramulifera	Brown and Downie, 1984	0 in nan_n_NP12	52.93	46.47410465714286
552	Achomosphaera ramulifera	Brown and Downie, 1984	0.75 in nan_n_NP13	49.2612775	46.96738012036429
553	Achomosphaera alcicornu	Brown and Downie, 1984	0.5 in nan_n_NP12	51.787945	46.679712743085716
553	Achomosphaera crassipellis	Brown and Downie, 1984	0 in nan_n_NP10	56.001	46.11335433
555	Achomosphaera alcicornu	Brown and Downie, 1984	0.3 in nan_n_NP9	56.85647	46.4390786568
555	Achomosphaera crassipellis	Brown and Downie, 1984	0.1 in nan_n_NP9	57.10089	46.4203658616
548	Achomosphaera alcicornu	Brown and Downie, 1985	0.5 in nan_n_NN5	14.260200000000001	44.27686081858823
548	Achomosphaera alcicornu	Brown and Downie, 1985	0.75 in nan_n_NP12	51.2169175	39.50542984111448
548	Achomosphaera andalousiensis	Brown and Downie, 1985	1 in nan_n_NN6	11.88	44.911732964705884
548	Achomosphaera crassipellis	Brown and Downie, 1985	0.33 in nan_n_NN11	7.379199999999999	46.1122339962353
548	Achomosphaera crassipellis	Brown and Downie, 1985	0 in nan_n_NN2	22.68	42.317536399999995
548	Achomosphaera ramulifera	Brown and Downie, 1985	0.5 in nan_n_NN11	6.91	46.237383988235294
548	Achomosphaera ramulifera	Brown and Downie, 1985	0.75 in nan_n_NP12	51.2169175	39.50542984111448
nw Pacific	Achomosphaera callosa	Bujak and Matsuoka, 1986	0 in stage_Chibanian	0.774	46.947680000000005
nw Pacific	Achomosphaera callosa	Bujak and Matsuoka, 1986	0 in stage_Zanclean	5.333	48.40656
nw Pacific	Achomosphaera grallaeformis	Bujak and Matsuoka, 1986	0.25 in stage_Tortonian	10.55	50.015499999999996
nw Pacific	Achomosphaera ramulifera	Bujak and Matsuoka, 1986	0.33 in stage_Burdigalian	18.9782	51.785422
nw Pacific	Achomosphaera ramulifera	Bujak and Matsuoka, 1986	0 in stage_Chibanian	0.774	46.947680000000005
North Sea Compilation	Achomosphaera neptuni	Costa and Davey, 1992	1 in amm_b_Epicheloniceras martinoides	117.53	43.104612716666665
North Sea Compilation	Achomosphaera neptuni	Costa and Davey, 1992	0 in amm_b_Peregrinoceras albidum	137.81	39.471718100000004
North Sea Compilation	Achomosphaera andalousiensis	Powell, 1992	0.33 in nan_n_NN6	13.072868000000001	48.61153278004235
403-406	Achomosphaera alcicornu	Costa and Downie, 1979	1 in nan_n_NP11	52.93	46.47410442631579
403-406	Achomosphaera alcicornu	Costa and Downie, 1979	0 in nan_n_NP18	36.9384	48.620167622222226
Vallentigny	Achomosphaera crassipellis	Davey and Verdier, 1971	0.55 in amm_b_Pervenquieria pricei	105.0605	40.396057856
361	Achomosphaera neptuni	Davey, 1978	0.75 in nan_c_NC7b	114.90584999999999	-41.990924297999996
361	Achomosphaera neptuni	Davey, 1978	0.52 in nan_c_NC6b	119.93484070966473	-42.22500705223253
400A	Achomosphaera neptuni	Davey, 1979	0.75 in nan_u_BC21	115.6473889422856	38.045082333907914
400A	Achomosphaera ramulifera	Davey, 1979	0.5 in nan_u_BC26	103.66912500000001	39.489816894375
400A	Achomosphaera ramulifera	Davey, 1979	0.33 in nan_u_BC22	114.11991488054556	38.54779441394738
Haldager 1	Achomosphaera neptuni	Davey, 1982	0 in amm_b_Endemoceras regale	131.81	43.632629800000004
Haldager 1	Achomosphaera neptuni	Davey, 1982	0 in amm_b_Paratollia/Platylenticeras	136.59	43.78814934444444
646	Achomosphaera andalousiensis	De Vernal et al., 1992	0.4 in nan_n_NN21	0.174	58.14060206
646	Achomosphaera ramulifera	De Vernal et al., 1992	0.94 in nan_n_NN19	0.52	57.9827188
646	Achomosphaera andalousiensis	Head et al., 1989	0.5 in nan_n_NN10	8.95	55.10102345
644	Achomosphaera andalousiensis	De Vernal et al., 1992	0.5 in mag_Bruhnes	0.3865	66.927519655
644	Achomosphaera ramulifera	De Vernal et al., 1992	0.85 in mag_Matuyama	0.80555	66.84893520850001
E67-135	Achomosphaera andalousiensis	De Vernal et al., 1992	0.8 in mag_Bruhnes	0.15459999999999996	19.943359198
607	Achomosphaera andalousiensis	De Vernal et al., 1992	1 in nan_n_NN19	0.42999999999999994	40.8107441
607	Achomosphaera ramulifera	De Vernal et al., 1992	0.33 in nan_n_NN18	2.2382	39.807502534
607	Achomosphaera ramulifera	Mudie, 1987	0.33 in nan_n_NN18	2.2382	39.807502534
Chesapeak Bay	Achomosphaera andalousiensis	De Verteuil and Norris, 1996	1 in nan_n_NN8	10.57	36.21321792941176
Pueblo	Achomosphaera sagena	Dodsworth, 2000	0.2 in amm_b_Watinoceras devonense	93.846	45.94860202
Isle of Wright	Achomosphaera neptuni	Duxbury, 1983	0.5 in amm_b_Epicheloniceras martinoides	118.14500000000001	40.795559974999996
Q13_14	Achomosphaera neptuni	Duxbury, 2001	0.6 in amm_b_Parahoplites nutfieldiensis	115.892	49.25574644666667
Q13_14	Achomosphaera ramulifera	Duxbury, 2001	1 in amm_b_Paracrioceras elegans	124.4	46.760866
Q13_14	Achomosphaera verdieri	Duxbury, 2001	1 in amm_b_Hypacanthoplites jacobi	113.2	49.907266285714286
Jylland	Achomosphaera andalousiensis	Dybkjaer and Piasecki, 2010	0.25 in nan_n_NN6	13.215300000000001	51.96089033505882
913	Achomosphaera alcicornu	Firth, 1996	0.5 in mag_C15r	35.458	65.5278622
Scotian Margin	Achomosphaera neptuni	Williams et al., 1993	0.6 in stage_Aptian	116.48	38.987181066666665
Scotian Margin	Achomosphaera neptuni	Williams et al., 1993	0.67 in stage_Berriassian	139.482	34.864610015555556
Scotian Margin	Achomosphaera alcicornu	Williams et al., 1993	0.25 in stage_Serravallian	13.2775	40.68009175588235
Scotian Margin	Achomosphaera andalousiensis	Williams et al., 1993	0.5 in stage_Serravallian	12.735	40.762662170588236
Scotian Margin	Achomosphaera alcicornu	Williams et al., 1993	0.75 in stage_Thanetian	56.81	36.665547000000004
Scotian Margin	Achomosphaera alcicornu	Williams et al., 2004 sensu Fensome et al., 2008	0.25 between 0 nan_n_NN5 1 nan_n_NN7	13.8675	40.590291673529414
compilation2	Achomosphaera andalousiensis	Head, 1998	0.6 in mag_C2r.1n	2.1256	51.6168228
Viborg-1	Achomosphaera crassipellis	Heilmann-Clausen, 1985	0.5 in nan_n_NP10	55.04653	47.4705714551
Central Danish Trough	Achomosphaera neptuni	Heilmann-Clausen, 1987	0.67 in amm_b_Hypacanthoplites jacobi	113.728	47.61895481142857
Central Danish Trough	Achomosphaera neptuni	Heilmann-Clausen, 1987	0 in amm_b_Peregrinoceras albidum	137.81	42.89237693333333
765	Achomosphaera neptuni	Helby and McMinn, 1992	0.15 in mag_C34n	115.36697555555556	-50.87455495607037
U1313	Achomosphaera andalousiensis	Hennissen et al., 2017	0.145 in mag_C2r.2r	2.5290250000000003	19.74727919925
Pannonian Basin	Achomosphaera andalousiensis	Jiménez-Moreno et al., 2006	0.25 in nan_n_NN5	14.5601	45.476982500000005
Pannonian Basin	Achomosphaera andalousiensis	Jiménez-Moreno et al., 2006	0.5 in nan_n_NN4	16.4	45.155
Salt Range	Achomosphaera crassipellis	Köthe et al., 1988	1 in nan_n_NP9	56.001	3.576868690000003
Salt Range	Achomosphaera crassipellis	Köthe et al., 1988	0 in nan_n_NP9	57.2231	1.8398857389999965
Salt Range	Achomosphaera multifurcata	Köthe et al., 1988	0 in nan_n_NP9	57.2231	1.8398857389999965
Southern North Sea	Achomosphaera andalousiensis	Kuhlmann et al., 2006 sensu Köthe 2012	1 in mag_C2n	1.77	54.43086853333333
Omsk No. 8	Achomosphaera ramulifera	Lebedeva et al., 2013	0.15 in mag_C31r	71.12400000000002	51.629733474285715
Rio Argos	Achomosphaera neptuni	Leereveld, 1995	0.8 in amm_t_Berriasella jacobi	141.852	23.313650479542396
Rio Argos	Achomosphaera verdieri	Leereveld, 1997a	0.8 in amm_t_Crioceratites loryi	131.05	24.262045054744068
Rio Argos	Achomosphaera verdieri	Leereveld, 1997a	0.25 in amm_t_Gerhardtia sartousi	122.745	26.208432649715412
Bordeaux	Achomosphaera callosa	Londeix and Jan du Chene, 1998	0.55 in nan_n_NN2	20.755	38.548562095
U1318	Achomosphaera andalousiensis	Louwye et al., 2008	0.25 in mag_C5AAr	13.318	47.031974053333336
748	Achomosphaera ramulifera	Mao and Mohr, 1992	0.25 in nan_n_CC24	71.72100000000002	-60.50123605583333
748	Achomosphaera ramulifera	Mohr and Mao, 1997	0.05 in stage_Campanian	83.07600000000001	-59.89827761142857
638B	Achomosphaera neptuni	Masure, 1988	1 in nan_n_CC3b	132.96647180046412	34.42408443974955
638B	Achomosphaera triangulata	Masure, 1988	0.75 in nan_n_CC6	122.49516476682136	34.93312000914184
Oga	Achomosphaera callosa	Matsuoka et al., 1987	0.75 in plfor_A_N18/N19	4.7075	31.830271164062502
Angles	Achomosphaera neptuni	Monteil, 1993	0.2 in stage_Berriassian	142.01999999999998	26.684799999999996
Berrias	Achomosphaera neptuni	Monteil, 1993	0.85 in amm_t_Berriasella jacobi	141.734	31.142495197142857
364	Achomosphaera sagena	Morgan, 1978	0.4 in nan_n_CC10a	95.25600000000001	-23.219715024
Bohemian Basin	Achomosphaera regiensis	Olde et al., 2015	0.75 in nan_u_UC9c	87.75750000000001	43.3316095
Bohemian Basin	Achomosphaera regiensis	Olde et al., 2015	0.5 between 0 nan_u_UC5c 1 nan_u_UC6	93.9075	42.774626985
sw England	Achomosphaera alcicornu	Powell et al., 1996	0.5 in mag_C26n	59.098	40.879132475
east Kent	Achomosphaera regiensis	Prince et al., 2008	0.925 in amm_b_Placenticeras polyopsis	83.9975	44.23514385357143
Dan Field	Achomosphaera antleriformis	Schiøler, 1993	0 in stage_Maastrichtian	72.17	46.08333972222222
Dan Field	Achomosphaera antleriformis	Schiøler, 1993	1 in stage_Maastrichtian	66.04	45.28252333333333
Shukheir-1	Achomosphaera alcicornu	Soliman et al., 2012	0 in nan_n_NN6	13.660400000000001	23.910599928615383
Shukheir-1	Achomosphaera andalousiensis	Soliman et al., 2012	0 in nan_n_NN5	14.86	23.51387190769231
Shukheir-1	Achomosphaera grallaeformis	Soliman et al., 2012	0 in nan_n_NN3	19.18	22.0851748
Shukheir-1	Achomosphaera grallaeformis	Soliman et al., 2012	0 in nan_n_NN3	19.18	22.0851748
Shukheir-1	Achomosphaera grallaeformis	Soliman et al., 2012	0.25 in nan_n_NN5	14.5601	23.61305391292308
Papendorf	Achomosphaera andalousiensis	Strauss and Lund, 1992	0 in nan_n_NN3	19.18	47.98379987142857
Rodmell	Achomosphaera crassipellis	Tocher and Jarvis, 1996	1 in amm_b_Pervenquieria fallax	101.72	43.075937839999995
Rodmell	Achomosphaera neptuni	Tocher and Jarvis, 1996	0.5 in amm_b_Acanthoceras rhotomagense	95.875	43.46060508333333
Rodmell	Achomosphaera neptuni	Tocher and Jarvis, 1996	0.5 in amm_b_Mantelliceras mantelli	99.31	43.234543153333334
Cordebugle	Achomosphaera ramulifera	Tocher and Jarvis, 1996	0 in amm_b_Mantelliceras mantelli	100.25	41.444339500000005
Massignano	Achomosphaera alcicornu	Van Mourik and Brinkhuis, 2005	0.5 in mag_C15r	35.458	35.40511902520823
1039	Achomosphaera ramulifera	Zegarra and Helenes, 2011	0.25 in stage_Serravallian	13.2775	-0.7235799428571434
1039	Achomosphaera ramulifera	Zegarra and Helenes, 2011	0.25 in stage_Zanclean	4.89975	4.879267765714285

Histogram