A call to the custodians of deep time.
Erwin
Douglas
D
Department of Paleobiology, National Museum of Natural History, Washington DC, USA. erwind@si.edu
D000818:Animals; D044822:Biodiversity; D005075:Biological Evolution; D005580:Fossils; D008954:Models, Biological; D010163:Paleontology / Q000379:methods*