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.

No stratigraphic data available. If you know publications where stratigraphic ranges of this species or genus are calibrated, report this by using the feedback button below.

Plots are based on the following information

FO/LO	Location	Source	Calibration	Age (Ma)	Paleolatitude
FO	Isle of Skye, Scotland	Riding and Thomas, 1997	0 in amm_b_Quenstedtoceras mariae	161.53	43.516
FO	Vega, Norway	Århus et al., 1989	0.5 in amm_b_Cardioceras cordatum	159.38	53.68
FO	Kandern, Germany	Dimter and Smelror, 1990	0.4 in amm_t_Quenstedtoceras lamberti	162.082	37.374
LO	Arctic Basin, Arctic	Bujak et al., 2022	0.5 in amm_b_Quenstedtoceras mariae	160.595	73.666
LO	Isle of Skye, Scotland	Riding and Thomas, 1997	0.5 in amm_b_Quenstedtoceras mariae	160.595	43.62
LO	Volga Basin, Russia	Harding et al., 2011	0.67 in amm_r_Virgatites virgatus	144.845	46.248