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Impagidinium
General Description Stratigraphy Literature Notes Species

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 DSDP 403_406 Impagidinium aculeatum Costa and Downie, 1979 0.33 in nan_n_NN11 7.379 53.057
FO North Sea Compilation Impagidinium aculeatum Powell, 1992 1 in plfor_A_N10 13.77 48.348
FO DSDP 548 Impagidinium aculeatum Brown and Downie, 1985 0 in nan_n_NN11 8.29 45.792
FO Northwest Pacific Impagidinium aculeatum Bujak and Matsuoka, 1986 0 in stage_Zanclean 5.333 49.87
FO ODP 1168 Impagidinium aculeatum Brinkhuis et al., 2003a 0.07 in mag_C11r 30.548 -53.986
FO ODP 646 Impagidinium aculeatum Head et al., 1989a 0.5 in nan_n_NN10 8.95 57.004
LO ODP 646 Impagidinium aculeatum Head et al., 1989a 0.5 in nan_n_NN12 5.305 57.754
FO DSDP 400 Impagidinium aculeatum Harland, 1979 1 in nan_n_NN8 10.57 43.624
FO IODP U1356A Impagidinium aculeatum Bijl et al., 2018 0.5 in mag_C13n 33.47 -58.601
LO ODP 911 Impagidinium aculeatum Matthiessen and Brenner, 1996 0.5 in mag_Jaramillo 1.03 80.018
FO Lemme Impagidinium aculeatum Powell, 1986 1 in nan_n_NP24 26.81 36.662
LO mid-Waipara Impagidinium agremon Willumsen, 2012 0.05 in plfor_A_Pa 65.987 -55.11
FO ODP 1172 Impagidinium agremon Bijl et al., 2021 0.8 in mag_C31r 69.707 -63.001
LO Q13_14 Impagidinium alectrolophum Duxbury, 2001 0 in amm_b_Lyelliceras lyelli 110.22 49.739
FO Synthesis N Germany Impagidinium alectrolophum Sarjeant, 1966b 0.25 in stage_Barremian 125.225 40.118
LO DSDP 607 Impagidinium aliferum Mudie, 1987 0 in nan_n_NN18 2.39 39.544
FO DSDP 611 Impagidinium aliferum Mudie, 1987 0.5 in nan_n_NN14 3.985 48.561
FO Chesapeake Bay Impagidinium antecarcerum De Verteuil and Norris, 1996a 0 in stage_Messinian 7.25 36.781
LO Chesapeake Bay Impagidinium antecarcerum De Verteuil and Norris, 1996a 1 in stage_Messinian 5.333 36.905
FO Chesapeake Bay Impagidinium arachnion De Verteuil and Norris, 1996a 0 in stage_Langhian 15.99 36.215
LO Chesapeake Bay Impagidinium arachnion De Verteuil and Norris, 1996a 1 in stage_Messinian 5.333 36.905
FO Meer Impagidinium aspinatum Slimani et al., 2011 0.87 in stage_Maastrichtian 66.837 41.538
LO Meer Impagidinium aspinatum Slimani et al., 2011 0 in stage_Danian 66.04 41.467
FO Vergons Impagidinium bacatum Londeix et al., 1992 0 in stage_Zanclean 5.333 41.695
LO Vergons Impagidinium bacatum Londeix et al., 1992 1 in stage_Piacenzian 2.58 42.706
FO Alano Impagidinium bellunoensis Iakovleva, 2025 0.4 in mag_C17n.3n 37.992 36.781
LO Alano Impagidinium bellunoensis Iakovleva, 2025 0.4 in mag_C17n.1n 37.06 36.979
FO Garoe Impagidinium caecopapillatum Prössl, 1992b 0 in stage_Lutetian 48.07 -3.569
LO Garoe Impagidinium caecopapillatum Prössl, 1992b 1 in stage_Bartonian 37.71 -1.054
FO California Impagidinium californiense Damassa, 1979a 0 in stage_Ypresian 56 37.438
LO California Impagidinium californiense Damassa, 1979a 1 in stage_Bartonian 37.71 35.352
LO DSDP 610 Impagidinium cantabrigiense De Schepper and Head, 2008 0.5 in stage_Chibanian 0.452 52.948
FO DSDP 610 Impagidinium cantabrigiense De Schepper and Head, 2008 0.5 in mag_C2n 1.847 52.153
FO IODP U1356A Impagidinium cantabrigiense Bijl et al., 2018 1 in mag_C6Cn.3n 23.212 -58.522
FO Central Asian Seas Impagidinium caspienense Marret et al., 2004 0 in stage_Holocene 0.012 6.808
FO mid-Waipara Impagidinium cassiculus Crouch et al., 2020 0.75 in nan_n_NP10 54.569 -49.158
LO ODP 1172 Impagidinium cassiculus Bijl et al., 2013 0.5 in mag_C23r 52.132 -59.459
FO ODP 1172 Impagidinium cassiculus Bijl et al., 2013 0.75 in mag_C24r 54.7 -59.793
LO Alano Impagidinium cassiculus Iakovleva, 2025 0.5 in mag_C17n.1n 36.979 36.993
LO mid-Waipara Impagidinium cavea Willumsen, 2012 0.05 in plfor_A_Pa 65.987 -55.11
FO Clarence Valley Impagidinium cavea Willumsen, 2011 0.9 in stage_Maastrichtian 66.653 -55.089
LO ODP 959 Impagidinium celineae Awad and Oboh-Ikuenobe, 2016 0.25 in nan_c_CP8b 55.724 -8.821
FO Dababiya Impagidinium celineae Soliman and Slimani, 2018b 0.1 in nan_n_NP3 64.409 8.706
FO Bering Sea Impagidinium cornutum Matsuoka and Bujak, 1988 0 in stage_Tortonian 11.65 60.43
LO Bering Sea Impagidinium cornutum Matsuoka and Bujak, 1988 1 in stage_Messinian 5.333 58.435
FO mid-Waipara Impagidinium crassimuratum Crouch et al., 2020 0.5 in nan_n_NP10 55.047 -49.263
LO ODP 1172 Impagidinium crassimuratum Bijl et al., 2013 1 in mag_C22r 49.666 -59.139
FO ODP 1172 Impagidinium crassimuratum Bijl et al., 2013 0.5 in mag_C24r 55.501 -59.897
FO Marlborough Impagidinium cretaceum Schiøler and Wilson, 1998 0.5 in stage_Santonian 84.675 -66.729
LO Marlborough Impagidinium cretaceum Schiøler and Wilson, 1998 0.25 in stage_Campanian 80.78 -64.242
LO ODP 748 Impagidinium cristatum Mao Shaozhi and Mohr, 1992 0.8 in nan_n_CC24 70.564 -60.735
FO ODP 748 Impagidinium cristatum Mohr and Mao Shaozhi, 1997 0.5 in nan_e_Broinsonia parca expansa 85.888 -60.273
FO ODP 1171 Impagidinium cristatum Bijl et al., 2013 1 in mag_C24n.2r 53.12 -63.711
LO ODP 1171 Impagidinium cristatum Bijl et al., 2013 1 in mag_C24n.2r 53.12 -63.711
LO Stevns Klint Impagidinium cristatum Surlyk et al., 2013 0.5 in nan_u_UC16d 74.353 46.298
FO Stevns Klint Impagidinium cristatum Surlyk et al., 2013 0 in nan_u_UC16a 80.97 46.907
LO Gulf Impagidinium cristatum Srivastava, 1995 1 in plfor_A_Radotruncana calcarata 74.201 34.291
FO Gulf Impagidinium cristatum Srivastava, 1995 1 in plfor_A_Contusotruncana plummerae 75.911 34.178
LO mid-Waipara Impagidinium crouchiae Willumsen, 2012 0.3 in plfor_A_Pa 65.92 -55.065
FO ODP 1172 Impagidinium crouchiae Bijl et al., 2021 0 in mag_C31n 69.271 -62.905
LO Tyrihans Field Impagidinium crouchiae Pearce et al., 2019 0.1 in stage_Maastrichtian 71.557 55.538
LO Marche Impagidinium densiverrucosum Zevenboom, 1995 0.5 in mag_C4An 8.938 39.862
FO Marche Impagidinium densiverrucosum Zevenboom, 1995 0.5 in mag_C4Ar 9.445 39.709
LO ODP 887 Impagidinium detroitense Zorzi et al., 2020 0.76 in mag_C2An.1n 2.7 53.791
FO ODP 887 Impagidinium detroitense Zorzi et al., 2020 0.96 in mag_C3r 5.267 53.598
LO ODP 887 Impagidinium diaphanum Zorzi et al., 2020 0.18 in mag_C2Ar 4.081 53.694
FO ODP 887 Impagidinium diaphanum Zorzi et al., 2020 0.58 in mag_C3n.1r 4.381 53.67
LO Marche Impagidinium dispertitum Biffi and Manum, 1988 0.5 in plfor_A_P21 28.056 34.494
LO Scotian Margin Impagidinium dispertitum Williams et al., 1993 0.8 in stage_Chattian 23.89 39.85
FO Scotian Margin Impagidinium dispertitum Williams et al., 1993 0.8 in stage_Lutetian 42.438 37.999
LO Monte Cagnero Impagidinium dispertitum Brinkhuis et al., 1992 1 in mag_C7n 24.025 35.211
FO Suvlu Impagidinium dispertitum King et al., 2018 0 in nan_n_NP10 56.001 37.697
LO Suvlu Impagidinium dispertitum King et al., 2018 0.4 in nan_n_NP13 49.907 38.295
FO ODP 1039 Impagidinium dispertitum Zegarra and Helenes, 2011 0.5 in stage_Langhian 14.905 8.197
LO ODP 1168 Impagidinium dispertitum Brinkhuis et al., 2003a 0.62 between 0 mag_C6Cn.3n 0 mag_C6Bn.2n 22.713 -49.931
FO ODP 1172 Impagidinium dispertitum Bijl et al., 2021 0.8 in mag_C31r 69.707 -63.001
FO DSDP 153 Impagidinium dispertitum Leandro et al., 2020 0.25 in plfor_B_M9 13.033 11.851
LO Q13_14 Impagidinium diversum Duxbury, 2001 0.8 in amm_b_Ancyloceras inexum / S. pingue 121.662 47.214
FO Q13_14 Impagidinium diversum Duxbury, 2001 0.5 in stage_Barremian 123.95 46.577
FO Australia synthesis Impagidinium elegans Cookson and Eisenack, 1965a 0 in stage_Priabonian 37.71 -41.724
LO IODP U1356A Impagidinium elegans Bijl et al., 2018 0.5 in mag_C12r 32.096 -58.619
FO IODP U1356A Impagidinium elongatum Bijl et al., 2018 0.55 in mag_C5Cr 16.87 -59.131
LO ODP 907 Impagidinium elongatum Schreck et al., 2012 0.75 in mag_C5n.2n 10.252 65.549
LO Marche Impagidinium eugubinum Biffi and Manum, 1988 0 in plfor_A_N8 16.39 37.616
FO Marche Impagidinium eugubinum Biffi and Manum, 1988 0 in stage_Aquitanian 23.04 35.723
FO ODP 646 Impagidinium fenestroseptatum Head et al., 1989a 0 in nan_n_NN12 5.53 57.708
LO ODP 646 Impagidinium fenestroseptatum Head et al., 1989a 0.5 in nan_n_NN12 5.305 57.754
FO Landes Impagidinium gibrense Michoux, 1985 0 in stage_Ypresian 56 33.932
LO Landes Impagidinium gibrense Michoux, 1985 1 in stage_Bartonian 37.71 36.369
FO Tengelic Impagidinium globosum Sütő-Szentai, 1985 0 in stage_Tortonian 11.65 42.176
LO Tengelic Impagidinium globosum Sütő-Szentai, 1985 1 in stage_Messinian 5.333 44.463
FO Dongpu Impagidinium gracilium Shaw Chenglong, 1999b 0 in stage_Ypresian 56 30.254
LO Dongpu Impagidinium gracilium Shaw Chenglong, 1999b 1 in stage_Priabonian 33.9 27.993
LO mid-Waipara Impagidinium hannahii Willumsen, 2012 0.3 in plfor_A_Pa 65.92 -55.065
FO Clarence Valley Impagidinium hannahii Willumsen, 2011 0.5 in stage_Maastrichtian 69.105 -56.775
FO Orbagnoux Impagidinium hyalodermum Deflandre, 1939b 0 in stage_Kimmeridgian 154.78 33.823
LO Orbagnoux Impagidinium hyalodermum Deflandre, 1939b 1 in stage_Kimmeridgian 149.24 33.449
FO Black Sea Impagidinium inequalis Wall et al., 1973 0 in stage_Holocene 0.012 45.508
LO Black Sea Impagidinium inequalis Wall et al., 1973 1 in stage_Holocene 0 45.51
LO DSDP 607 Impagidinium japonicum De Vernal et al., 1992 0.15 in nan_n_NN19 1.705 39.889
FO DSDP 607 Impagidinium japonicum Mudie, 1987 0.1 in nan_n_NN14 4.029 38.724
LO Northwest Pacific Impagidinium japonicum Bujak and Matsuoka, 1986 0 in stage_Chibanian 0.774 47.477
LO ODP 1039 Impagidinium japonicum Zegarra and Helenes, 2011 1 in stage_Gelasian 1.81 8.846
FO ODP 1039 Impagidinium japonicum Zegarra and Helenes, 2011 0.9 in stage_Serravallian 11.867 8.253
FO ODP 1168 Impagidinium japonicum Brinkhuis et al., 2003a 0.67 in mag_C2An.1n 2.739 -42.756
LO ODP 646 Impagidinium japonicum De Vernal et al., 1992 0.5 in nan_n_NN20 0.36 58.282
FO Oga Impagidinium japonicum Matsuoka et al., 1987 0.75 in plfor_A_N18/N19 4.707 32.372
LO DSDP 611 Impagidinium japonicum De Vernal et al., 1992 0.5 in nan_n_NN19 1.18 50.006
FO Monte Cagnero Impagidinium maculatum Brinkhuis and Biffi, 1993 0.2 in mag_C17n 37.779 33.004
LO Monte Cagnero Impagidinium maculatum Brinkhuis and Biffi, 1993 0.5 in nan_c_CP16b 33.195 33.624
LO Stevns Klint Impagidinium maculatum Surlyk et al., 2013 1 in nan_u_UC20c 67.279 45.646
FO Stevns Klint Impagidinium maculatum Surlyk et al., 2013 0.75 in nan_u_UC19 69.42 45.844
LO ODP 1168 Impagidinium maculatum Brinkhuis et al., 2003a 0.25 in mag_C16r 36.517 -56.988
FO ODP 1172 Impagidinium maculatum Bijl et al., 2021 0.8 in mag_C31r 69.707 -63.001
LO Rif Impagidinium maculatum Slimani et al., 2016 0.5 in stage_Ypresian 52.035 24.243
FO Rif Impagidinium maculatum Slimani et al., 2016 0.5 in stage_Thanetian 57.62 23.321
FO ODP 1053 Impagidinium maculatum Van Mourik et al., 2001 0 in nan_c_CP15 37.77 26.892
LO ODP 1053 Impagidinium maculatum Van Mourik et al., 2001 0.25 in nan_c_CP15 36.938 26.93
LO Alano Impagidinium maculatum Iakovleva, 2025 0.9 in mag_C17n.2n 37.555 36.874
LO IODP U1356A Impagidinium maculatum Bijl et al., 2018 0.75 in mag_C13n 33.342 -58.603
LO Rif Impagidinium maghribensis Slimani et al., 2016 0.5 in stage_Danian 63.85 23.444
FO Rif Impagidinium maghribensis Slimani et al., 2016 0 in stage_Danian 66.04 23.658
FO Bering Sea Impagidinium manumii Matsuoka and Bujak, 1988 0 in stage_Tortonian 11.65 60.43
LO Bering Sea Impagidinium manumii Matsuoka and Bujak, 1988 1 in stage_Messinian 5.333 58.435
FO Australia synthesis Impagidinium margaritiferum Cookson and Eisenack, 1960a 0 in stage_Chattian 27.29 -36.661
LO Australia synthesis Impagidinium margaritiferum Cookson and Eisenack, 1960a 1 in stage_Burdigalian 15.99 -29.665
LO Marche Impagidinium minus Biffi and Manum, 1988 1 in nan_n_NN4 14.86 38.077
FO Marche Impagidinium minus Biffi and Manum, 1988 0.5 in nan_n_NP25 24.968 35.248
LO Bordeaux Impagidinium minus Londeix and Jan Du Chene, 1998 0.9 in nan_n_NN2 19.53 38.933
FO MacKenzie Impagidinium modicum Brideaux and McIntyre, 1975 0 in stage_Albian 113.2 78.808
LO MacKenzie Impagidinium modicum Brideaux and McIntyre, 1975 1 in stage_Albian 100.5 80.187
FO MacKenzie Impagidinium modicum ssp. denticulatum Brideaux, 1977 0 in stage_Barremian 126.5 77.194
LO MacKenzie Impagidinium modicum ssp. denticulatum Brideaux, 1977 1 in stage_Barremian 121.4 77.822
LO North Sea Compilation Impagidinium multiplex Harland, 1992 0.8 in nan_n_NN19 0.73 52.439
LO IODP U1313 Impagidinium multiplex Hennissen et al., 2017 0.8 in mag_C2An.1n 2.682 19.531
FO Jylland Impagidinium multiplex Dybkjaer and Piasecki, 2008 1 in nan_n_NN17 2.39 54.932
LO ODP 644 Impagidinium multiplex De Vernal et al., 1992 0.67 in mag_Bruhnes 0.255 66.88
FO Synthesis N Germany Impagidinium multiplex Köthe, 2012 0.75 between 0 nan_n_NN16 1 nan_n_NN18 2.402 51.18
LO DSDP 611 Impagidinium multiplex De Vernal et al., 1992 0.4 in nan_n_NN19 1.33 49.929
FO DSDP 611 Impagidinium multiplex Mudie, 1987 0.8 in nan_n_NN16 2.788 49.177
LO Central Graben Impagidinium obscurum Vieira et al., 2020b 0.75 in stage_Thanetian 56.81 48.086
FO Central Graben Impagidinium obscurum Vieira et al., 2020b 0.09 in stage_Thanetian 58.948 47.778
FO Central Graben Impagidinium obscurum Vieira et al., 2025b 0.2 in stage_Thanetian 58.592 47.83
LO Central Graben Impagidinium obscurum Vieira et al., 2025b 0.67 in stage_Thanetian 57.069 48.049
FO Central Graben Impagidinium obscurum Vieira et al., 2025b 0.2 in stage_Thanetian 58.592 47.83
FO 25_8-4 Impagidinium obscurum Vieira et al., 2020a 1 in mag_C26n 58.959 48.622
LO 25_8-4 Impagidinium obscurum Vieira et al., 2020a 0.6 in nan_n_NP8 57.374 48.861
FO Tchernaya Retchka Impagidinium ordocaviopse Iosifova, 1996 0 in stage_Hauterivian 132.6 43.463
LO Tchernaya Retchka Impagidinium ordocaviopse Iosifova, 1996 1 in stage_Hauterivian 126.5 44.524
FO Shillong Plateau Impagidinium ovum Sah et al., 1970 0 in stage_Cenomanian 100.5 -43.327
LO Shillong Plateau Impagidinium ovum Sah et al., 1970 1 in stage_Maastrichtian 66.04 -20.728
FO DSDP 403_406 Impagidinium pallidum Costa and Downie, 1979 1 in nan_n_NP11 52.93 46.431
LO Northwest Pacific Impagidinium pallidum Bujak and Matsuoka, 1986 0 in stage_Gelasian 2.58 48.473
FO ODP 1168 Impagidinium pallidum Brinkhuis et al., 2003a 0.85 in mag_C11r 30.063 -53.743
LO ODP 644 Impagidinium pallidum De Vernal et al., 1992 0.65 in mag_Matuyama 0.849 66.602
FO Salt Range Impagidinium pallidum Köthe et al., 1988 0 in nan_n_NP11 54.092 4.922
FO ODP 647 Impagidinium pallidum Head and Norris, 1989 0.5 in nan_n_NP13 49.723 43.77
LO ODP 647 Impagidinium pallidum Head and Norris, 1989 1 in nan_n_NP23 27.133 47.05
FO DSDP 548 Impagidinium paradoxum Brown and Downie, 1985 0 in nan_n_NN11 8.29 45.792
FO Northwest Pacific Impagidinium paradoxum Bujak and Matsuoka, 1986 0 in stage_Langhian 15.99 55.099
FO ODP 1039 Impagidinium paradoxum Zegarra and Helenes, 2011 0.4 in stage_Langhian 15.122 8.193
FO ODP 1168 Impagidinium paradoxum Brinkhuis et al., 2003a 0.5 in mag_C6AAr.1r 21.323 -49.201
LO DSDP 611 Impagidinium paradoxum De Vernal et al., 1992 0.4 in nan_n_NN19 1.33 49.929
FO IODP U1356A Impagidinium paradoxum Bijl et al., 2018 0.5 in mag_C13n 33.47 -58.601
FO China Sea Impagidinium paradoxum ssp. granulatum Mao Shaozhi, 1989 0 in stage_Gelasian 2.58 19.999
LO China Sea Impagidinium paradoxum ssp. granulatum Mao Shaozhi, 1989 1 in stage_Holocene 0 18.81
FO mid-Waipara Impagidinium parvireticulatum Crouch et al., 2020 0.5 in mag_C22n 49.272 -47.985
LO ODP 1172 Impagidinium parvireticulatum Bijl et al., 2013 0.5 in mag_C15r 35.458 -56.758
FO ODP 1172 Impagidinium parvireticulatum Bijl et al., 2013 0.75 in mag_C20r 44.146 -58.421
FO Scotian Margin Impagidinium patulum Williams et al., 1993 0.9 in stage_Burdigalian 16.436 40.523
FO DSDP 403_406 Impagidinium patulum Costa and Downie, 1979 0.33 in nan_n_NN11 7.379 53.057
FO North Sea Compilation Impagidinium patulum Powell, 1992 0.9 in nan_n_NN1 22.725 46.24
FO DSDP 548 Impagidinium patulum Brown and Downie, 1985 0 in nan_n_NN2 22.68 42.432
FO DSDP 553 Impagidinium patulum Brown and Downie, 1984 0.5 in nan_n_NP12 51.788 46.639
FO Northwest Pacific Impagidinium patulum Bujak and Matsuoka, 1986 0.33 in stage_Burdigalian 18.978 56.566
FO ODP 1168 Impagidinium patulum Brinkhuis et al., 2003a 0.42 between 0 mag_C6Cn.3n 0 mag_C6Bn.2n 22.908 -50.033
LO Oga Impagidinium patulum Matsuoka et al., 1987 1 in plfor_A_N11 13.4 29.342
FO DSDP 400 Impagidinium patulum Harland, 1979 0.5 in nan_n_NN9 10.09 43.749
LO DSDP 611 Impagidinium patulum De Vernal et al., 1992 1 in nan_n_NN19 0.43 50.527
FO IODP U1356A Impagidinium patulum Bijl et al., 2018 0.5 in mag_C13n 33.47 -58.601
FO DSDP 153 Impagidinium patulum Leandro et al., 2020 0.25 in plfor_B_M9 13.033 11.851
FO South Mexico Impagidinium patulum Milena Carvajal-Landinez et al., 2024 0 in stage_Aquitanian 23.04 18.343
LO South Mexico Impagidinium patulum Milena Carvajal-Landinez et al., 2024 0.9 in stage_Gelasian 1.887 17.524
FO ODP 823 Impagidinium patulum McMinn, 1993 0.2 in nan_c_CN9 7.738 -18.538
FO Dongpu Impagidinium pengchiasum Shaw Chenglong, 1999b 0 in stage_Ypresian 56 30.254
LO Dongpu Impagidinium pengchiasum Shaw Chenglong, 1999b 1 in stage_Priabonian 33.9 27.993
FO IODP U1356A Impagidinium plicatum Bijl et al., 2018 0.55 in mag_C5Cr 16.87 -59.131
FO T20-87 Impagidinium plicatum Versteegh and Zevenboom, 1995 0 in stage_Zanclean 5.333 33.565
FO Assam Impagidinium rarum Kar et al., 1972 0 in stage_Danian 66.04 -21.446
LO Assam Impagidinium rarum Kar et al., 1972 1 in stage_Priabonian 33.9 10.51
FO Northwest Australia compilation Impagidinium reductum Stover and Helby, 1987c 0 in stage_Hauterivian 132.6 -53.703
LO Northwest Australia compilation Impagidinium reductum Stover and Helby, 1987c 1 in stage_Hauterivian 126.5 -52.226
LO Stevns Klint Impagidinium rigidaseptatum Surlyk et al., 2013 1 in nan_u_UC20b 67.818 45.696
FO Stevns Klint Impagidinium rigidaseptatum Surlyk et al., 2013 0 in nan_u_UC16d 76.766 46.52
LO Hornby Island Impagidinium rigidaseptatum McLachlan et al., 2018 0.25 in mag_C32n.2n 73.201 56.153
FO Meer Impagidinium rigidaseptatum Slimani et al., 2011 0.6 in stage_Campanian 76.762 42.425
LO Meer Impagidinium rigidaseptatum Slimani et al., 2011 0.85 in stage_Maastrichtian 66.96 41.549
LO Stevns Klint Impagidinium scabrosum Surlyk et al., 2013 1 in nan_u_UC16c 76.766 46.52
FO Meer Impagidinium scabrosum Slimani et al., 2011 0.55 in stage_Campanian 77.336 42.476
LO Meer Impagidinium scabrosum Slimani et al., 2011 1 in stage_Campanian 72.17 42.014
FO Rif Impagidinium sekadensis Slimani et al., 2021 0.5 in stage_Campanian 77.91 24.477
LO Rif Impagidinium sekadensis Slimani et al., 2021 1 in stage_Campanian 72.17 24.081
FO Dorset-Yorkshire Impagidinium setcheyense Sarjeant, 1976c 0 in stage_Kimmeridgian 154.78 39.032
LO Dorset-Yorkshire Impagidinium setcheyense Sarjeant, 1976c 1 in stage_Kimmeridgian 149.24 39.162
FO Marche Impagidinium siciliense Zevenboom, 1995 0.5 in mag_C5ABn 13.486 38.491
FO China Sea Impagidinium simplex Mao Shaozhi, 1989 0 in stage_Gelasian 2.58 19.999
LO China Sea Impagidinium simplex Mao Shaozhi, 1989 1 in stage_Holocene 0 18.81
FO Perth Basin Impagidinium simplicium Cookson and Eisenack, 1961b 0 in stage_Ypresian 56 -54.524
LO Perth Basin Impagidinium simplicium Cookson and Eisenack, 1961b 1 in stage_Priabonian 33.9 -49.531
LO DSDP 610 Impagidinium solidum De Schepper and Head, 2009 0.6 in nan_n_NN16 3.046 51.547
LO IODP U1307 Impagidinium solidum Aubry et al., 2020 0.5 in mag_C2An.1n 2.814 56.953
LO ODP 642B Impagidinium solidum De Schepper et al., 2017 0.9 in mag_C2An.3n 3.357 65.616
FO ODP 642B Impagidinium solidum De Schepper et al., 2017 0.67 in mag_C2Ar 3.791 65.405
FO Singa Impagidinium solidum Versteegh and Zevenboom, 1995 1 in nan_n_NN12 5.08 37.305
LO Singa Impagidinium solidum Versteegh and Zevenboom, 1995 1 in nan_n_NN17 2.39 38.172
FO Bordeaux Impagidinium sphaericum Londeix and Jan du Chene, 1998 0.7 in nan_n_NN2 20.23 38.754
FO ODP 1039 Impagidinium sphaericum Zegarra and Helenes, 2011 0 in stage_Langhian 15.99 8.176
FO ODP 1168 Impagidinium sphaericum Hou et al., 2023 0.5 in mag_C5Cn.3n 16.584 -47.463
FO ODP 1168 Impagidinium sphaericum Brinkhuis et al., 2003a 0.42 between 0 mag_C6Cn.3n 0 mag_C6Bn.2n 22.908 -50.033
LO ODP 644 Impagidinium sphaericum De Vernal et al., 1992 0 in mag_Bruhnes 0.773 66.637
FO ODP 646 Impagidinium sphaericum De Vernal et al., 1992 0.6 in nan_n_NN19 1.03 58.389
FO ODP 765A Impagidinium sphaericum McMinn, 1992 0.2 in nan_c_CN9 7.738 -18.781
FO ODP 823 Impagidinium sphaericum McMinn, 1993 0.4 in nan_c_CN9 7.186 -18.342
FO Tengelic Impagidinium spongianum Sütő-Szentai, 1985 0 in stage_Tortonian 11.65 42.176
LO Tengelic Impagidinium spongianum Sütő-Szentai, 1985 1 in stage_Messinian 5.333 44.463
FO DSDP 548 Impagidinium strialatum Brown and Downie, 1985 0.8 in nan_n_NN11 6.082 46.342
FO DSDP 607 Impagidinium strialatum De Vernal et al., 1992 0.1 in nan_n_NN19 1.78 39.851
FO ODP 1039 Impagidinium strialatum Zegarra and Helenes, 2011 0.2 in stage_Serravallian 13.386 8.225
FO ODP 1168 Impagidinium strialatum Hou et al., 2023 0.2 in mag_C2r.2r 2.504 -42.712
LO ODP 646 Impagidinium strialatum De Vernal et al., 1992 0.4 in nan_n_NN21 0.174 58.25
FO DSDP 400 Impagidinium strialatum Harland, 1979 0 in nan_n_NN12 5.53 44.939
FO DSDP 611 Impagidinium strialatum De Vernal et al., 1992 0.35 in nan_n_NN19 1.405 49.89
LO ODP 911 Impagidinium strialatum Matthiessen and Brenner, 1996 0.35 in mag_Bruhnes 0.502 80.255
FO DSDP 153 Impagidinium strialatum Leandro et al., 2020 0.25 in plfor_B_M9 13.033 11.851
FO ODP 765A Impagidinium strialatum McMinn, 1992 0 in nan_c_CN5a 13.66 -21.658
FO ODP 823 Impagidinium strialatum McMinn, 1993 0.55 in nan_c_CN9 6.772 -18.195
LO Speeton Impagidinium subtilis Duxbury, 2023 0.25 in amm_b_Simbirskites marginatus 127.81 41.572
FO Speeton Impagidinium subtilis Duxbury, 2023 0.5 in stage_Hauterivian 129.55 41.099
FO Dongpu Impagidinium taiwanianum Shaw Chenglong, 1999b 0 in stage_Ypresian 56 30.254
LO Dongpu Impagidinium taiwanianum Shaw Chenglong, 1999b 1 in stage_Priabonian 33.9 27.993
LO Marche Impagidinium tectum Biffi and Manum, 1988 1 in plfor_A_N8 15.12 37.998
FO Marche Impagidinium tectum Biffi and Manum, 1988 0 in nan_n_NP25 26.81 34.794
LO Boom Doel Impagidinium torsium Stover and Hardenbol, 1994 1 in nan_n_NP22 32.02 43.746
FO Boom Doel Impagidinium torsium Stover and Hardenbol, 1994 0 in stage_Rupelian 33.9 43.736
FO Volga Basin Impagidinium tuberculatum Vasilyeva, 2024 0.25 in nan_c_CP13c 43.181 50.073
LO Volga Basin Impagidinium tuberculatum Vasilyeva, 2024 1 in nan_c_CP13c 41.79 50.184
FO Arabian Sea Impagidinium variaseptum Marret and de Vernal, 1997 0 in stage_Holocene 0.012 20.218
FO Massignano Impagidinium velorum Van Mourik and Brinkhuis, 2005 0.5 in mag_C16n.1n 35.649 33.804
FO Monte Cagnero Impagidinium velorum Brinkhuis and Biffi, 1993 0.2 in mag_C17n 37.779 33.004
FO ODP 913 Impagidinium velorum Firth, 1996 0.25 in mag_C15n 35.277 65.542
LO DSDP 607 Impagidinium velorum De Vernal et al., 1992 0.33 in nan_n_NN18 2.238 39.62
LO Northwest Pacific Impagidinium velorum Bujak and Matsuoka, 1986 0 in stage_Gelasian 2.58 48.473
FO ODP 1168 Impagidinium velorum Brinkhuis et al., 2003a 0.75 in mag_C15n 35.16 -56.306
LO ODP 646 Impagidinium velorum De Vernal and Mudie, 1989 0.45 in nan_n_NN19 1.255 58.361
LO ODP 646 Impagidinium velorum De Vernal et al., 1992 0.97 in nan_n_NN19 0.475 58.302
FO ODP 647 Impagidinium velorum Head and Norris, 1989 0 in nan_n_NP21 34.44 46.157
FO ODP 647 Impagidinium velorum Head and Norris, 1989 1 in nan_n_NP23 27.133 47.05
FO DSDP 611 Impagidinium velorum Mudie, 1987 0.5 in nan_n_NN9 10.09 47.162
FO ODP 1053 Impagidinium velorum Van Mourik et al., 2001 0.5 in mag_C15r 35.458 27.138
FO IODP U1356A Impagidinium velorum Bijl et al., 2018 0 in mag_C13n 33.726 -58.598
LO IODP U1356A Impagidinium velorum Bijl et al., 2018 0 in mag_C6Cn.1n 22.792 -58.508
FO SSQ Impagidinium velorum Houben et al., 2019 0.8 in mag_C13r 34.001 30.594
FO Alano Impagidinium veneziaense Iakovleva, 2025 0.5 in nan_a_CNE14 41.144 36.111
LO Alano Impagidinium veneziaense Iakovleva, 2025 0.75 in mag_C17n.1n 36.776 37.006
FO ODP 1039 Impagidinium verrucosum Zegarra and Helenes, 2011 0.5 in stage_Tortonian 9.45 8.298
LO ODP 1039 Impagidinium verrucosum Zegarra and Helenes, 2011 0.6 in stage_Tortonian 9.01 8.306
FO MacKenzie Impagidinium verrucosum Brideaux and McIntyre, 1975 0.25 in stage_Albian 110.025 79.153
LO MacKenzie Impagidinium verrucosum Brideaux and McIntyre, 1975 0.75 in stage_Albian 103.675 79.842
LO ODP 1171 Impagidinium victorianum Bijl et al., 2013 0 in mag_C17n 38.081 -61.896
LO ODP 1168 Impagidinium victorianum Hou et al., 2023 0.5 in mag_C3An.1n 6.148 -43.756
FO ODP 1172 Impagidinium victorianum Bijl et al., 2013 0.25 in mag_C23r 52.336 -59.486
LO Labrador Sea Impagidinium victorianum Nøhr-Hansen, 2025 0.72 in stage_Maastrichtian 67.756 53.226
LO IODP U1356A Impagidinium victorianum Bijl et al., 2018 0 in mag_C6Cn.1n 22.792 -58.508
FO Synthesis N Germany Impagidinium whitei Sarjeant, 1966c 0 in stage_Cenomanian 100.5 44.363
LO Synthesis N Germany Impagidinium whitei Sarjeant, 1966c 1 in stage_Cenomanian 93.9 44.895
FO Maryland Impagidinium witmeri Nelissen et al., 2025 0.9 in stage_Thanetian 56.324 35.009
LO Maryland Impagidinium witmeri Nelissen et al., 2025 0.1 in stage_Ypresian 55.207 34.984
FO Tarim Basin Impagidinium wuqiaense He Chengquan, 1991 0 in stage_Lutetian 48.07 38.365
LO Tarim Basin Impagidinium wuqiaense He Chengquan, 1991 1 in stage_Bartonian 37.71 38.294
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