Related by context. Frequent words. (Click for all words.) 64 morphologically 63 clades 62 Indohyus 62 lineages 62 theropod 61 theropods 61 mammalian species 61 H. erectus 61 taxa 60 vertebrate 59 Ardipithecus 59 anthropoids 59 monkeys apes 59 carnivorous dinosaurs 59 crocodilians 59 interbred 59 genus Homo 58 prokaryotes 58 feathered dinosaurs 58 megafauna 58 Late Cretaceous 58 eukaryotes 57 phylogeny 57 subfamily 57 tyrannosaurs 57 multicellular organisms 57 tetrapods 57 multicellular 57 vertebrates 56 tetrapod 56 clade 56 Homo sapiens 56 tyrannosaur 56 hominins 56 Neandertals 56 Archaeopteryx 56 marsupials 56 eukaryotic 56 Australopithecus 56 biogeography 56 phylum 56 cichlids 56 Cretaceous Period 55 vertebrate species 55 mammals 55 genetically distinct 55 forelimbs 55 thylacine 55 single celled organisms 55 sauropods 55 trilobites 55 genus 54 dinosaurs 54 supercontinent 54 mammalian 54 simian immunodeficiency virus 54 herbivorous 54 mammal species 54 primate species 54 Homo habilis 54 evolutionarily 54 morphological 54 asexual reproduction 53 phylogenetic 53 Cambrian explosion 53 mitochondrial genome 53 evolutionary biologists 53 Tiktaalik 53 species 53 sauropod 53 arthropod 53 marine invertebrates 53 stromatolites 53 Longrich 53 Archaea 53 FOXP2 53 common ancestor 53 hominid 53 symbionts 52 nonhuman primates 52 hominids 52 bipedalism 52 hominin 52 Mesozoic 52 archaea 52 Homo floresiensis 52 Homo erectus 52 evolutionary 52 palaeontologists 52 arthropods 52 genera 52 foraminifera 51 fruit fly Drosophila 51 ground sloths 51 speciation 51 coronaviruses 51 morphologies 51 rhesus 51 Neandertal 51 codons 51 amino acid sequences