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Table 3 Summary of fossil calibrations and calibration strategies used in this study in million years before the present

From: Molecular and morphological clocks for estimating evolutionary divergence times

Dataset Node Clade Minimum divergence time (Ma) Calibration strategy Cr Calibration strategy C1 Calibration strategy C2
Hemiptera 91 (root) Coccomorpha 140 (†Eomatsucoccus casei) U(140,340) U(140,340) U(140,354)
Hemiptera 79 Kuwaniidae 45 (†Hoffeinsia foldi) N/A U(45,155) U(45,50)
Hemiptera 77 Ortheziidae 135 (†Cretorhezia hammanaica) N/A U(135,145) U(135,149)
Hemiptera 74 Putoidae 45 (†Puto sp.) N/A U(45,155) U(45,50)
Hemiptera 72 Pseudococcidae 135 (†Williamsicoccus megalops) N/A U(135,145) U(135,149)
Hemiptera 64 Coccidae 98 (†Rosahendersonia prisca) N/A U(98,122) U(98,108)
Hemiptera 50 Diaspididae 50 (†Normarkicoccus cambayae) N/A U(50,150) U(50,55)
Hymenoptera 111 (root) Hymenoptera 235 (†Triassoxyela, Asioxyela) U(235,369) U(235,369) U(235,259)
Hymenoptera 108 Tenthredinoidea 140 (†Palaeathalia) N/A U(140,328) U(140,154)
Hymenoptera 79 Vespina 180 (†Brigittepteris) N/A U(180,290) U(180,198)
Hymenoptera 78 Apocrita 176 (†Cleistogaster) N/A U(176,294) U(176,194)
Hymenoptera 69 Siricoidea 161 (†Aulisca) N/A U(161,309) U(161,177
Hymenoptera 63 Pamphiloidea 161 (†Aulidontes, Pamphilidae sp.) N/A U(161,309) U(161,177)
Hymenoptera 57 Xylidae 180 (†Eoxyela) N/A U(180,298) U(180,198)
Spermatophyta 36 (root) Spermatophytes 308.14 (†Cordaites iowensis) U(308,366) U(308,366) U(308,339)
Spermatophyta 35 Angiosperms 125.9 (tricolpate pollen) N/A U(126,247) U(126,139)
Spermatophyta 31 Stem-Saururus 44.3 (†Saururus tuckerae) N/A U(44,247) U(44,48)
Spermatophyta 30 Acrogymnosperms 308.14 (†Cordaties iowensis) N/A U(308,366) U(308,339)
Spermatophyta 29 Gingko-Cycas 264.7 (†Crossozamia) N/A U(265,366) U(265,282)
Spermatophyta 27 Conifers 147 (†Rissikia media) N/A U(147,312) U(147,162)
Spermatophyta 20 Gnetales 119.6 (†Eoantha zherkihinii) N/A U(120,312) U(120,132)
  1. Nodes are numbered as in Fig. 8. Fossil taxa are indicated by a dagger (†) before their names. N/A, not applicable