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	Czestochowa	Kalyptea diceras	Poulsen, 1998	0.9 in amm_t_Procerites aurigerus	167.03	42.125
LO	Kong Karls Land	Kalyptea diceras	Smelror, 1988b	0.5 between 0 amm_b_Quenstedtoceras lamberti 1 amm_b_Quenstedtoceras mariae	161.055	67.08
FO	Senegal	Kalyptea distincta	Jain and Millepied, 1975	0 in stage_Aptian	121.4	16.08
LO	Senegal	Kalyptea distincta	Jain and Millepied, 1975	1 in stage_Albian	100.5	14.045
FO	Morghat	Kalyptea indica	Jain et al., 1982	0 in stage_Callovian	165.29	-30.435
LO	Morghat	Kalyptea indica	Jain et al., 1982	1 in stage_Tithonian	143.1	-41.195
LO	North Sea Compilation	Kalyptea stegasta	Copestake and Partington, 2023	1 in amm_b_Erymnoceras coronatum	162.91	40.098
FO	North Sea Compilation	Kalyptea stegasta	Riding and Thomas, 1992	0 in amm_b_Garantiana garantiana	169.27	39.95
LO	North Sea Compilation	Kalyptea stegasta	Riding and Thomas, 1992	1 in amm_b_Pavlovia pallasioides	146.27	39.998
FO	Czestochowa	Kalyptea stegasta	Poulsen, 1998	0.9 in amm_t_Procerites aurigerus	167.03	42.125
FO	Figueira Da Foz	Kalyptea stegasta	Smelror et al., 1991	0.4 in amm_t_Bullatimorphites bullatus	165.046	31.173
FO	Isle of Skye	Kalyptea stegasta	Riding and Thomas, 1997	0.75 in amm_b_Macrocephalites herveyi	164.772	43.157
LO	Isle of Skye	Kalyptea stegasta	Riding and Thomas, 1997	0 in amm_b_Peltoceras athleta	162.91	43.363
LO	Salzburg	Kalyptea stegasta	Boorova et al., 1999	0.2 in stage_Valanginian	136.68	28.805
FO	Salzburg	Kalyptea stegasta	Boorova et al., 1999	0.1 in stage_Valanginian	137.19	28.88
FO	Calvados	Kalyptea stegasta	Feist-Burkhardt and Monteil, 1997	1 in amm_b_Witchellia laeviuscula	170.32	35.904
LO	Calvados	Kalyptea stegasta	Feist-Burkhardt and Monteil, 1997	1 in amm_b_Zigzagiceras zigzag	166.97	36.039
LO	North Yorkshire	Kalyptea stegasta	Bailey et al., 1997	0.25 in amm_b_Pectinatites pectinatus	147.21	41.401
FO	Hausen	Kalyptea stegasta	Feist-Burkhardt, 1990	0.1 in amm_b_Sonninia propinquans	170.297	37.89
LO	Australia synthesis	Kalyptea wisemaniae	Helby et al., 1987	0.33 in stage_Berriasian	141.318	-50.705
FO	Australia synthesis	Kalyptea wisemaniae	Helby et al., 1987	0.8 in stage_Tithonian	144.328	-49.13