Related by context. Frequent words. (Click for all words.) 64 Australopithecus sediba 59 Australopithecus africanus 58 ichthyosaur 56 hominid species 56 Ardipithecus ramidus 55 kipunji 55 Australopithecus afarensis 55 plesiosaurs 55 Osedax 54 mosasaurs 53 By HARVEY SIMPSON 53 Diplodocus 53 Homo antecessor 53 Italy coul 53 LB1 53 theropod 53 Ardipithecus 52 host = document.location.host 52 ultimate sportswagon 52 carnivorous dinosaur 52 mosasaur 52 H. floresiensis 52 By Laurie Kulikowski 52 By JOHN NASH 52 fossilized skull 52 Nigersaurus 52 Australopithecus 52 monotremes 52 Homo habilis 52 By HEIDI PRESCOTT 52 Edmontosaurus 52 hominid fossils 52 Homo floresiensis 52 Ventastega 51 A. afarensis 51 fossilized skeleton 51 fossil specimens 51 Columbian mammoth 51 By MOISEKAPENDA BOWER 51 hoofed mammals 51 Darwinius 51 mammoth tusk 51 genus Homo 51 peccary 51 hominid 51 taxon 51 multiple skeletal fragments 51 ichthyosaurs 50 extinct mammals 50 By Rob Ollikainen 50 coprolite 50 exquisitely preserved 50 fossilized bones 50 By LOREN STEFFY 50 Liang Bua 50 Albertosaurus 50 Neandertal 50 Mapusaurus 50 Archaeologists unearth 50 placental mammals 50 By Tona Kunz 50 vertebrate animals 50 fossils 50 Tiktaalik 50 publishes FISHupdate.com FISHupdate magazine 50 Gigantoraptor 49 Paranthropus 49 tortoise shells 49 afarensis 49 By SCOTT WILLIAMS 49 Raptorex 49 horned dinosaur 49 horned dinosaurs 49 dinosaur species 49 invertebrate animals 49 hadrosaurs 49 birds mammals reptiles 49 baleen whale 49 By Jagdip Dhillon 49 By BRIAN MCTAGGART 49 Estimates typically exclude 49 mitochondrial genome 49 fossilized dinosaur 49 platypus genome 49 feathered dinosaurs 49 By PATRICK BAHR 49 endangered primates 49 allosaurus 48 Authorship means 48 pseudogenes 48 Linnean Society 48 Torosaurus 48 normally withholds 48 Oetzi 48 e# [005] 48 protozoans 48 apelike 48 Otzi 48 Turkana Boy 48 sauropod 48 Columbian mammoths