| 41. | Hwass in Brugui�re, 1792 is a nomen dubium and is invalid as a junior homonym of " Conus minimus"
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| 42. | The name is no longer in use, except in historical discussions, and is considered a " nomen dubium ".
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| 43. | However, as it is known only from a juvenile specimen, it is also currently considered a " nomen dubium ".
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| 44. | "Asiaceratops " has often been considered a " nomen dubium ", in view of the limited holotype material.
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| 45. | It was mentioned by Upchurch and colleagues ( 2004 ), who classified it as a " nomen dubium " inside Sauropoda.
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| 46. | It is a nomen dubium based on very poor material and has been reassigned, by George Olshevsky, to Ponerosteus . [ 47]
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| 47. | Even then, however, it was considered a " nomen dubium " as so few remains of the animal have been found.
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| 48. | Originally classified by Dong as a member of the Ornithomimidae within the Coelurosauria, it was often considered a " nomen dubium ".
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| 49. | Today, " Omosaurus " is commonly listed as a " nomen dubium ", a possible member of the Phytosauria.
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| 50. | It is a nomen dubium, and may be the same animal as " Lufengosaurus " ( from which it is anagramized ).
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