41. By the late 1930s he was the preparator in the vertebrate paleontology laboratory at the University of California, Berkeley. 42. It is preserved in a single slab and currently housed at the Institute of Vertebrate Paleontology and Paleoanthropology, Beijing. 43. The specific name honours Li Yutong, senior preparator of the Institute of Vertebrate Paleontology and Paleoanthropology ( IVPP ). 44. Larry Martin, a curator of vertebrate paleontology at KU, said the mastodon probably lived about 50, 000 years ago. 45. In 1893 he began a seven-year stint at Princeton University as curator of vertebrate paleontology and assistant in geology. 46. He is a member of the Argentine Paleontological Association, Society of Vertebrate Paleontology , Paleontological Society and The Explorers Club. 47. He was appointed curator of vertebrate paleontology in 1962 and later was director of the Carnegie Museum for seven years. 48. After retiring from the museum in 1970, Colbert became the curator of vertebrate paleontology at the Museum of Northern Arizona. 49. These specimens from the Shawan Member are also housed in the collection of the Institute of Vertebrate Paleontology and Paleoanthropology. 50. John Rensberger, curator of vertebrate paleontology at the museum, also criticized the parks commission decision to let the bones lie.
