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In the United States during the 1900s, the public imagination was caught by the discoveries of [[Henry Fairfield Osborn]] (1857-1935) and the great competitive dinosaur hunters, [[Edward Drinker Cope]] (1847-1897) and [[Othniel Charles Marsh]] (1831-1899). Exploring in Wyoming, Colorado, and New Mexico, they found numerous fossil dinosaurs. Their museums worked out the techniques for mounting and displaying them.

In the United States during the 1900s, the public imagination was caught by the discoveries of [[Henry Fairfield Osborn]] (1857-1935) and the great competitive dinosaur hunters, [[Edward Drinker Cope]] (1847-1897) and [[Othniel Charles Marsh]] (1831-1899). Exploring in Wyoming, Colorado, and New Mexico, they found numerous fossil dinosaurs. Their museums worked out the techniques for mounting and displaying them.

Osborn was a proponent of ''orthogenesis,'' as were many paleontologists up through the middle of the twentieth century. These paleontologists interpreted the [[fossil]] record as showing sustained, continuing, unidirectional trends in evolution, which they felt required some kind of driving principle in addition to natural selection. As the author of an encyclopedia article on variation and selection put it in 1911,

Osborn was a proponent of ''orthogenesis,'' as were many paleontologists up through the middle of the twentieth century. These paleontologists interpreted the fossil record as showing sustained, continuing, unidirectional trends in evolution, which they felt required some kind of driving principle in addition to natural selection. As the author of an encyclopedia article on variation and selection put it in 1911,

:Selection cannot create the materials on which it is supposed to operate... Both sides concur in the position assumed by Darwin, that the word "chance" in such a phrase as "chance variation" does not mean that the occurrences are independent of natural causation and so far undetermined, but covers in the first place our ignorance of the exact causation.... No doubt a large amount of variation is truly indefinite, so that many meaningless or useless variations arise... But there are several directions in which the field of variation appears to be not only limited but defined in a certain direction.... When beetles, or medusae, or cats vary, the range of possible variation is limited and determined by the beetle, medusa or cat constitution, and any possible further differentiation or specialization must be in a sense at least orthogenetic - that is to say, a continuation of the line along which the ancestors of the individual in question have been forced. Darwin himself showed that different species in a genus, or varieties in a species, tended to show parallel variations.<ref>Mitchell, Peter Chalmers (1911), ''Variation and Selection,'' ''Encyclop&aelig;dia Britannica, 11th edition,'' volume 27 (TON-VES), p. 906</ref>

:Selection cannot create the materials on which it is supposed to operate... Both sides concur in the position assumed by Darwin, that the word "chance" in such a phrase as "chance variation" does not mean that the occurrences are independent of natural causation and so far undetermined, but covers in the first place our ignorance of the exact causation.... No doubt a large amount of variation is truly indefinite, so that many meaningless or useless variations arise... But there are several directions in which the field of variation appears to be not only limited but defined in a certain direction.... When beetles, or medusae, or cats vary, the range of possible variation is limited and determined by the beetle, medusa or cat constitution, and any possible further differentiation or specialization must be in a sense at least orthogenetic - that is to say, a continuation of the line along which the ancestors of the individual in question have been forced. Darwin himself showed that different species in a genus, or varieties in a species, tended to show parallel variations.<ref>Mitchell, Peter Chalmers (1911), ''Variation and Selection,'' ''Encyclop&aelig;dia Britannica, 11th edition,'' volume 27 (TON-VES), p. 906</ref>

Among those who believe in the existence of the [[Loch Ness Monster]], one popular theory is that it is a living [[plesiosaur]].<ref>"New Quest Is Haunted By 'Nessie'", ''The New York Times,'' July 14, 1992, p. C4: "Believers say it resembles a plesiosaur and was trapped in Loch Ness during the Ice Age 12,000 years ago. The plesiosaurs were marine reptiles who are thought to have lived 65 million to 200 million years ago."</ref>

Among those who believe in the existence of the [[Loch Ness Monster]], one popular theory is that it is a living [[plesiosaur]].<ref>"New Quest Is Haunted By 'Nessie'", ''The New York Times,'' July 14, 1992, p. C4: "Believers say it resembles a plesiosaur and was trapped in Loch Ness during the Ice Age 12,000 years ago. The plesiosaurs were marine reptiles who are thought to have lived 65 million to 200 million years ago."</ref>

It must be noted however that two living things that belong to orders which were believed to have been extinct since the time of the dinosaurs have been found, these being the [[coelacanth]] and the [[Wollemi pine]], although in the case of the coelacanth they are physically different to the fossilised remains to the degree that they are played in a new family<ref>Sulawesi Coelacanth. <i>University Of California, Berkeley</i>[http://www.ucmp.berkeley.edu/vertebrates/coelacanth/coelacanths.html]</ref>.

It must be noted however that two living things that belong to orders which were believed to have been extinct since the time of the dinosaurs have been found, these being the [[coelacanth]] and the [[Wollemi pine]], although in the case of the coelacanth they are physically different to the fossilised remains to the degree that they are played in a new family<ref>Sulawesi Coelacanth. <i>University Of California, Berkeley</i>[http://www.ucmp.berkeley.edu/vertebrates/coelacanth/coelacanths.html]</ref>.

Although the coelacanth had previously been thought to have rudimentary limbs and so be the ancestor of land creatures, biologists see this as merely a minor adjustment to the story of evolution.  

Relatives of the coelacanths are thought to have had rudimentary limbs and to be the ancestor of land creatures. Biologists see the continued existance of a pleisiomorphic order as merely a minor adjustment to the story of natural history.  

Talk.Origins argues<ref>[http://www.talkorigins.org/indexcc/CH/CH712.html Claim CH712], ''TalkOrigins.org''</ref> that the inclusion of dinosaurs within many cultures is based on the existence of fossils. Ancient people, unaware that the ancient fossils uncovered by erosion were of extinct animals, attributed the bones to living, magical creatures. This would explain the importance of dragons in Chinese culture - there are a large number of dinosaur (as well as non-dinosaur) fossils to be found in China.  CreationWiki's response<ref>[http://creationwiki.org/Dragons_were_dinosaurs Dragons were dinosaurs] (rebuttal of Talk.Origins' claim CH712)</ref> is that the fossils reminded people of the legends, not that the fossils inspired the legends.

Talk.Origins argues<ref>[http://www.talkorigins.org/indexcc/CH/CH712.html Claim CH712], ''TalkOrigins.org''</ref> that the inclusion of dinosaurs within many cultures is based on the existence of fossils. Ancient people, unaware that the ancient fossils uncovered by erosion were of extinct animals, attributed the bones to living, magical creatures. This would explain the importance of dragons in Chinese culture - there are a large number of dinosaur (as well as non-dinosaur) fossils to be found in China.  CreationWiki's response<ref>[http://creationwiki.org/Dragons_were_dinosaurs Dragons were dinosaurs] (rebuttal of Talk.Origins' claim CH712)</ref> is that the fossils reminded people of the legends, not that the fossils inspired the legends.