Related by context. Frequent words. (Click for all words.) 57 Paranthropus 56 ichthyosaur 55 H. floresiensis 55 baleen whale 54 kipunji 54 hominid species 54 trilobite 53 homo erectus 53 marine iguanas 53 distinct subspecies 53 undescribed 53 feathered dinosaurs 53 horned dinosaurs 52 dinosaur extinction 52 Homo floresiensis 52 Darwinius 52 Falcarius 52 anglerfish 51 giant tortoise 51 Fossilized 51 convergent evolution 51 Raptorex 51 plesiosaurs 51 murrelet 51 fossilized skull 51 tetrapod 51 H. sapiens 50 Chicxulub crater 50 coelacanth 50 crocodilian 50 hadrosaurs 50 H. erectus 50 erectus 50 Ardipithecus 50 Ardipithecus ramidus 50 Smilodon 49 carnivorous dinosaur 49 toothed whales 49 tyrannosaurus 49 moray eel 49 peccary 49 Indohyus 49 placental mammals 49 horned dinosaur 49 hadrosaur 49 Torosaurus 49 chytrid 49 theropod 49 giant squids 49 Nile crocodile 49 brachiopods 49 T.rex 49 australopithecines 49 predatory dinosaurs 49 Jurassic era 49 Galápagos 49 Jurassic Period 49 theropods 48 flatworm 48 Komodo Dragon 48 chytridiomycosis 48 dinosaur species 48 genus Homo 48 A. afarensis 48 braincase 48 mantis shrimp 48 Australopithecus 48 Diplodocus 48 Early Cretaceous 48 Ötzi 48 afarensis 48 Albertosaurus 48 endemic species 48 Apatosaurus 48 wormlike 48 Brusatte 47 Scientists theorize 47 Cenozoic 47 ALH# 47 Sea otters 47 simian immunodeficiency virus 47 Amur leopard 47 Poinar 47 loggerhead turtle 47 short tailed albatross 47 peccaries 47 Amazonian rainforest 47 velociraptor 47 tyrannosaur 47 Galapagos 47 beaked whale 47 pinniped 47 teosinte 47 Ediacaran 47 coevolution 47 Humpback whale 47 Pterosaurs 47 Foja Mountains 47 hominid 47 flightless birds 47 clouded leopard