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
Quercy2	Nannoceratopsis spiculata	Bucefalo Palliani and Riding, 1997b	0.75 in amm_t_Grammoceras thouarsense	177.8075	34.1023026525
Quercy2	Nannoceratopsis spiculata	Bucefalo Palliani and Riding, 1997b	0.25 in amm_b_Leioceras opalinum	174.2	32.7112254
Yorkshire	Nannoceratopsis spiculata	Bucefalo Palliani and Riding, 2003	0 in amm_b_Amaltheus margaritatus	188	41.66666142857143
Bavaria	Nannoceratopsis spiculata	Bucefalo Palliani and Riding, 2003	0 in amm_b_Amaltheus margaritatus	188	42.83327142857143
Denmark2	Nannoceratopsis spiculata	Bucefalo Palliani and Riding, 2003	0 in amm_b_Amaltheus margaritatus	188	48.42107571428571
North Sea Compilation	Nannoceratopsis spiculata	Riding and Thomas, 1992	0 in amm_t_Hildoceras bifrons	181.17	42.88801039
North Sea Compilation	Nannoceratopsis spiculata	Riding and Thomas, 1992	1 in amm_b_Oxycerites orbis	165.5	39.9405775
Calvados	Nannoceratopsis spiculata	Feist-Burkhardt and Monteil, 1997	0.5 in amm_b_Stephanoceras humphriesianum	169.91500000000002	35.92021145
Czestochowa	Nannoceratopsis spiculata	Poulsen, 1998	0.85 in amm_t_Parkinsonia parkinsoni	168.2525	42.16965536666667
North Sea Coast	Nannoceratopsis spiculata	Riley and Fenton, 1982	1 in amm_b_Macrocephalites herveyi	164.6	36.50481
North Sea Basin	Nannoceratopsis spiculata	Copestake and Partington, 2023	0.2 in amm_b_Sigaloceras calloviense	163.79	43.162313342857146

Distribution


Histogram


Map