21. O'Connor and Dyke therefore considered " C . caudatus " a nomen dubium . 22. However, due to the lack of certainty, the name is currently considered a nomen dubium . 23. Since only one bone was discovered, the genus is considered a " nomen dubium ". 24. This species is considered a nomen dubium by Tucker in his " Catalog of recent and fossil turrids" 25. Today it is seen as a " nomen dubium ", an indeterminate member of the Theropoda. 26. Today it is commonly considered to be a " nomen dubium " because of the limited remains. 27. They denied the taxon was a " nomen dubium " as has been concluded by several authors. 28. As the fossil itself is apparently lost, this makes the genus a " nomen dubium ". 29. The genus is solely based on some conical teeth and often considered a " nomen dubium ". 30. However, the species was later considered a " nomen dubium " in both reviews of Stegosauria.
