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.

Distribution


Histogram


Map



Plots are based on the following information

Location	Genus	Species	Subspecies	Source	Calibration	FO/LO	Age	pal/lat
North Sea Compilation	Cleistosphaeridium	varispinosum		Riding and Thomas, 1992	0 in amm_b_Clydoniceras discus	FO	165.5	39.9405775
Isle of Skye	Cleistosphaeridium	varispinosum		Riding and Thomas, 1997	0.85 in amm_b_Macrocephalites herveyi	FO	164.7035	43.07289414833333
Isle of Skye	Cleistosphaeridium	varispinosum		Riding and Thomas, 1997	0.9 in amm_b_Macrocephalites herveyi	LO	164.66899999999998	43.07693521
North Sea Coast	Cleistosphaeridium	varispinosum		Riley and Fenton, 1982	1 in amm_b_Sigaloceras calloviense	LO	163.47	36.55438875
Caucasus	Cleistosphaeridium	varispinosum		Smelror and Lominadze, 1989	1 in amm_b_Proplanulites koenigi	LO	163.87	37.64025
Zaragoza	Cleistosphaeridium	varispinosum		Smelror et al., 1991	0.5 in amm_t_Bullatimorphites bullatus	FO	164.985	29.453487525
Dorset-Yorkshire	Cleistosphaeridium	varispinosum		Woollam and Riding, 1983	1 in amm_b_Kosmoceras jason	LO	163.3	38.52213057142857
North Sea Basin	Cleistosphaeridium	varispinosum		Copestake and Partington, 2023	0.9 in amm_b_Oxycerites orbis	FO	165.522	43.09463173142857