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	Australia synthesis	Trichodinium australe	Burger, 1980b	0 in stage_Berriasian	143.1	-49.773
LO	Australia synthesis	Trichodinium australe	Burger, 1980b	1 in stage_Hauterivian	126.5	-54.017
FO	Benue-Troges	Trichodinium bisculpturum	Beilstein, 1994	0 in stage_Campanian	83.65	-5.898
LO	Benue-Troges	Trichodinium bisculpturum	Beilstein, 1994	1 in stage_Maastrichtian	66.04	-6.71
FO	Aracaju	Trichodinium boltenhagenii	Santos et al., 2018	0 in nan_u_UC6	93.9	-12.529
LO	Aracaju	Trichodinium boltenhagenii	Santos et al., 2018	1 in nan_u_UC7	90.36	-13.624
FO	Cauvery Basin	Trichodinium brevispinosum	Khowaja-Ateequzzaman, 1993	0 in stage_Albian	113.2	-45.535
LO	Cauvery Basin	Trichodinium brevispinosum	Khowaja-Ateequzzaman, 1993	0.5 in stage_Albian	106.85	-44.591
FO	North Sea Compilation	Trichodinium calvum	Harding, 1990b	0.5 in stage_Barremian	123.95	40.958
LO	North Sea Compilation	Trichodinium calvum	Harding, 1990b	1 in stage_Barremian	121.4	41.669
LO	ODP 748	Trichodinium castanea	Mao Shaozhi and Mohr, 1992	0.75 in nan_n_CC24	70.669	-60.729
FO	ODP 748	Trichodinium castanea	Mao Shaozhi and Mohr, 1992	0 in nan_n_CC22	76.766	-60.43
LO	Scotian Margin	Trichodinium castanea	Fensome et al., 2008	0.75 in nan_c_NC20	72.669	38.165
FO	Scotian Margin	Trichodinium castanea	Williams et al., 1993	0 in stage_Valanginian	137.7	35.718
LO	North Sea Compilation	Trichodinium castanea	Costa and Davey, 1992	0.5 in amm_b_Trachyscaphites spiniger	80.82	44.128
FO	ODP 959	Trichodinium castanea	Masure et al., 1998	0 in stage_Campanian	83.65	-6.752
LO	ODP 959	Trichodinium castanea	Masure et al., 1998	0.5 in stage_Maastrichtian	69.105	-8.223
LO	Stevns Klint	Trichodinium castanea	Surlyk et al., 2013	1 in nan_u_UC16c	76.766	46.52
FO	Bohemian Basin	Trichodinium castanea	Olde et al., 2015	0 in nan_u_UC6	93.9	42.776
FO	East Kent	Trichodinium castanea	Prince et al., 2008	0.67 in amm_b_Gauthiericeras margae	87.695	44.106
LO	East Kent	Trichodinium castanea	Prince et al., 2008	0.92 in amm_b_Placenticeras polyopsis	84.004	43.735
LO	Isle of Wright	Trichodinium castanea	Clarke and Verdier, 1967	0.25 in stage_Turonian	92.772	43.415
FO	Omsk No. 8	Trichodinium castanea	Lebedeva et al., 2013	0 in mag_C31r	71.451	51.616
LO	Omsk No. 8	Trichodinium castanea	Lebedeva et al., 2013	0.8 in nan_n_CC24	70.564	51.552
LO	Rif	Trichodinium castanea	Slimani et al., 2016	0.5 in stage_Maastrichtian	69.105	23.869
LO	Rodmell	Trichodinium castanea	Tocher and Jarvis, 1996	0.2 in amm_b_Mantelliceras mantelli	99.874	43.146
FO	Vallentigny	Trichodinium castanea	Davey and Verdier, 1971	0 in amm_b_Anahoplites intermedius	109.17	40.143
FO	Arctic Basin	Trichodinium castanea	Williams et al., 2025	0.1 in stage_Valanginian	137.19	70.396
LO	Labrador Sea	Trichodinium castanea	Nøhr-Hansen, 2025	0 in stage_Maastrichtian	72.17	53.673
LO	Meer	Trichodinium castanea	Slimani et al., 2011	0.55 in stage_Maastrichtian	68.798	41.713
FO	Rio Argos	Trichodinium castanea	Leereveld, 1997b	0.5 in amm_t_Fauriella boissieri	139.2	25.458
LO	Gulf of Guinea	Trichodinium castanea	Guerrero-Murcia and Helenes, 2022	1 in stage_Campanian	72.17	5.635
LO	Culver Cliff	Trichodinium castanea	Pearce et al., 2020	0.5 in amm_b_Watinoceras devonense	93.765	43.474
FO	Senegal	Trichodinium castanea ssp. bifurcatum	Jain and Millepied, 1975	0 in stage_Maastrichtian	72.17	6.636
LO	Senegal	Trichodinium castanea ssp. bifurcatum	Jain and Millepied, 1975	1 in stage_Maastrichtian	66.04	5.93
FO	Tarim Basin	Trichodinium cerciatum	He Chengquan, 1991	0 in stage_Danian	66.04	36.871
LO	Tarim Basin	Trichodinium cerciatum	He Chengquan, 1991	1 in stage_Thanetian	56	38.42
FO	Austral Basin	Trichodinium chilense	Troncoso and Doubinger, 1980	0 in stage_Maastrichtian	72.17	-55.831
LO	Austral Basin	Trichodinium chilense	Troncoso and Doubinger, 1980	1 in stage_Danian	61.66	-56.621
FO	Australia synthesis	Trichodinium eisenackii	Burger, 1980a	0 in stage_Aptian	121.4	-53.796
LO	Australia synthesis	Trichodinium eisenackii	Burger, 1980a	1 in stage_Aptian	113.2	-53.29
FO	Arctic Basin	Trichodinium erinaceoides	Bujak et al., 2022	0 in amm_b_Titanites anguiformis	144.33	71.453
LO	Svalbard	Trichodinium erinaceoides	Davies, 1983	0.5 in stage_Valanginian	135.15	66.183
FO	Tarim Basin	Trichodinium fusiforme	He Chengquan, 1991	0 in stage_Ypresian	56	38.42
LO	Tarim Basin	Trichodinium fusiforme	He Chengquan, 1991	1 in stage_Ypresian	48.07	38.365
LO	mid-Waipara	Trichodinium hirsutum	Willumsen, 2012	0.3 in plfor_A_Pa	65.92	-55.065
FO	Australia synthesis	Trichodinium hirsutum	Cookson, 1965b	0 in stage_Danian	66.04	-47.786
LO	Australia synthesis	Trichodinium hirsutum	Cookson, 1965b	1 in stage_Thanetian	56	-45.002
FO	Cauvery Basin	Trichodinium jainii	Khowaja-Ateequzzaman, 1993	0 in stage_Albian	113.2	-45.535
LO	Cauvery Basin	Trichodinium jainii	Khowaja-Ateequzzaman, 1993	0.5 in stage_Albian	106.85	-44.591
FO	Cauvery Basin	Trichodinium minutum	Khowaja-Ateequzzaman, 1993	0 in stage_Albian	113.2	-45.535
LO	Cauvery Basin	Trichodinium minutum	Khowaja-Ateequzzaman, 1993	0.5 in stage_Albian	106.85	-44.591
FO	Australia synthesis	Trichodinium pellitum	Eisenack and Cookson, 1960	0 in stage_Aptian	121.4	-53.796
LO	Australia synthesis	Trichodinium pellitum	Eisenack and Cookson, 1960	1 in stage_Aptian	113.2	-53.29
FO	Wollaston	Trichodinium piaseckii	Alsen et al., 2023	1 in amm_b_Aulacostephanus autissiodorensis	149.1	54.679
LO	Wollaston	Trichodinium piaseckii	Alsen et al., 2023	0.5 in amm_b_Pectinatites hudlestoni	147.6	54.576
FO	Poland synthesis	Trichodinium rhomboidale	Górka, 1965	0 in stage_Kimmeridgian	154.78	40.938
LO	Poland synthesis	Trichodinium rhomboidale	Górka, 1965	0.5 in stage_Kimmeridgian	152.01	40.074
FO	Scotian Margin	Trichodinium scarburghense	Williams et al., 1993	0.4 in stage_Callovian	163.786	30.22
LO	Scotian Margin	Trichodinium scarburghense	Williams et al., 1993	0.3 in stage_Oxfordian	159.505	31.419
FO	North Sea Compilation	Trichodinium scarburghense	Copestake and Partington, 2023	0 in amm_b_Quenstedtoceras lamberti	162.45	40.109
LO	North Sea Compilation	Trichodinium scarburghense	Copestake and Partington, 2023	1 in amm_b_Aulacostephanus mutabilis	150.99	40.164
LO	North Sea Compilation	Trichodinium scarburghense	Riding and Thomas, 1992	0.8 in amm_b_Perisphinctes pumilus	158.038	40.211
FO	Arctic Basin	Trichodinium scarburghense	Bujak et al., 2022	0 in amm_b_Quenstedtoceras lamberti	162.45	73.495
LO	Arctic Basin	Trichodinium scarburghense	Bujak et al., 2022	1 in amm_b_Perisphinctes plicatilis	158.35	73.873
FO	Champagne	Trichodinium scarburghense	Fauconnier, 1995	0 in amm_b_Peltoceras athleta	162.91	37.374
LO	Champagne	Trichodinium scarburghense	Fauconnier, 1995	1 in amm_b_Perisphinctes pumilus	157.96	37.375
FO	Isle of Skye	Trichodinium scarburghense	Riding and Thomas, 1997	0 in amm_b_Peltoceras athleta	162.91	43.363
LO	Isle of Skye	Trichodinium scarburghense	Riding and Thomas, 1997	0.55 in amm_b_Perisphinctes pumilus	158.136	43.892
LO	Denmark synthesis	Trichodinium scarburghense	Poulsen, 1992	0.25 in amm_b_Aulacostephanus mutabilis	151.778	44.634
LO	Dorset-Yorkshire	Trichodinium scarburghense	Woollam and Riding, 1983	1 in amm_b_Perisphinctes plicatilis	158.35	38.872
FO	Dorset-Yorkshire	Trichodinium scarburghense	Woollam and Riding, 1983	0 in amm_b_Quenstedtoceras lamberti	162.45	38.651
FO	North Sea Coast	Trichodinium scarburghense	Riley and Fenton, 1982	0 in amm_b_Quenstedtoceras lamberti	162.45	36.599
LO	North Yorkshire	Trichodinium scarburghense	Riding and Thomas, 1988	1 in amm_b_Aulacostephanus mutabilis	150.99	41.497
LO	Barentz Sea	Trichodinium scarburghense	Smelror, 1994	0.5 in stage_Oxfordian	158.155	65.785
FO	Barentz Sea	Trichodinium scarburghense	Smelror, 1994	0.67 in stage_Callovian	162.771	65.291
LO	Milne Land	Trichodinium scarburghense	Smelror, 1988a	0.5 in amm_b_Cardioceras cordatum	159.38	51.003
FO	Milne Land	Trichodinium scarburghense	Smelror, 1988a	0 in amm_b_Peltoceras athleta	162.91	50.718
FO	Vega	Trichodinium scarburghense	Århus et al., 1989	0.05 in amm_b_Peltoceras athleta	162.887	53.555
FO	Kandern	Trichodinium scarburghense	Dimter and Smelror, 1990	0.75 in amm_t_Quenstedtoceras lamberti	161.76	37.356
FO	Kong Karls Land	Trichodinium scarburghense	Smelror, 1988b	1 in amm_b_Peltoceras athleta	162.45	66.916
FO	Alberta	Trichodinium spinosum	Singh, 1971	0 in stage_Albian	113.2	63.132
LO	Alberta	Trichodinium spinosum	Singh, 1971	1 in stage_Albian	100.5	64.185
FO	Tarim Basin	Trichodinium tenuisppinum	He Chengquan, 1991	0 in stage_Lutetian	48.07	38.365
LO	Tarim Basin	Trichodinium tenuisppinum	He Chengquan, 1991	1 in stage_Bartonian	37.71	38.294