GROUP NUMBER OF PHYLOGENIES % OF TOTAL PHYLOGENIES MEAN NUMBER OF TAXA PER PHYLOGENY Actinopterygians 27 0.99 20.7 Afroinsectiphilians 10 0.37 24.3 Brachiopods 7 0.26 16.4 Carnivores 40 1.47 18.2 Cenozoic birds 86 3.16 25.7 Cetaceans 148 5.44 40.7 Chiropterans 3 0.11 19.7 Echinoderms 16 0.59 24.4 Gastropods 1 0.04 15 Hemichordates 1 0.04 17 Hyracoideans 2 0.07 33.8 Ichthyopterygians 60 2.21 30.8 Lagomorphs 2 0.07 63 Lipotyphlans 3 0.11 13 Marsupials 68 2.5 20.5 Mesozoic dinosaurs 655 24.07 35.1 Mesozoic mammals 158 5.81 46.4 Monotremes 1 0.04 90 Non-amniote tetrapods 130 4.78 25.3 Non-bilaterian metazoans 4 0.15 65.5 Non-cetacean artiodactyls 7 0.26 22.4 Non-diapsid reptiles 53 1.95 20.8 Non-dinosaurian archosauromorphs 351 12.9 44.8 Non-mammalian synapsids 164 6.03 32.2 Non-osteichthyan vertebrates 23 0.85 26.4 Non-saurian diapsids 34 1.25 31.6 Non-squamate lepidosauromorphs 34 1.25 24.6 Perissodactyls 50 1.84 20.2 Piscine sarcopterygians and “early” tetrapods 138 5.07 28.5 Primates 111 4.08 34.6 Proboscideans 9 0.33 18.7 Pterosaurs 17 0.62 32 Rodents 16 0.59 24.2 Sauropterygians 89 3.27 34.1 Sirenians 3 0.11 30.7 Squamates 71 2.61 32.4 Turtles 103 3.79 35.1 Xenarthrans 26 0.96 23.4 Table 2. Breakdown of phylogenies by group. Group labels are largely taken from Graeme T. Lloyd. MCGUIRE et al. Testing the order of the fossil record 2023 ICC 482
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