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

FO/LO	Location	Taxon	Source	Calibration	Age (Ma)	Paleolatitude
FO	Quercy2	Nannoceratopsis ambonis	Bucefalo Palliani and Riding, 1997b	0 in amm_t_Grammoceras thouarsense	178.34	34.30763838
FO	North Yorkshire	Nannoceratopsis ambonis	Bucefalo Palliani and Riding, 2000	1 in amm_b_Harpoceras serpentinum	181.17	43.276795299999996
FO	Yorkshire	Nannoceratopsis ambonis	Bucefalo Palliani and Riding, 2003	0 in amm_t_Hildoceras bifrons	181.17	42.055690424999995
FO	Portugal	Nannoceratopsis ambonis	Bucefalo Palliani and Riding, 2003	0 in amm_b_Dactylioceras tenuicostatum	184.2	31.859392000000003
FO	southern France	Nannoceratopsis ambonis	Bucefalo Palliani and Riding, 2003	0 in amm_b_Dactylioceras tenuicostatum	184.2	36.49778857142857
FO	Dorset-Yorkshire	Nannoceratopsis ambonis	Woollam and Riding, 1983	1 in amm_b_Dumortieria pseudoradiosa	175.91	39.22607538
FO	North Sea Basin	Nannoceratopsis ambonis	Copestake and Partington, 2023	0 in amm_b_Leioceras opalinum	174.7	43.7208044
LO	Quercy2	Nannoceratopsis ambonis	Bucefalo Palliani and Riding, 1997b	1 in amm_b_Pleydellia aalensis	174.7	32.90402889999999
LO	Dorset-Yorkshire	Nannoceratopsis ambonis	Woollam and Riding, 1983	1 in amm_b_Hyperlioceras discites	170.67	38.07338180000001
LO	North Sea Basin	Nannoceratopsis ambonis	Copestake and Partington, 2023	1 in amm_b_Hyperlioceras discites	170.67	42.8934626

Distribution


Histogram


Map