Fossil.

A stereo-atlas of ostracod shells Sylvester-Bradley, P. C. 1973 Anatomical studies of a stem fossil from ranikot fort area Majid-uz-zafar 1989 Anthropoid origins Author not listed 2004 Aquatic fossil fuana of the siwaliks Muhammad Saeed 2002 Arthropod fossils and phylogeny edited by Gregory D. Edgecombe 1998 Bird families of the world Harrison, C.J.O 1978 British Purbeck Charophyta Harris, Thomas Maxwell 1939 Bryophytes of the Pleistocene Dickson, J. H. 1973 Calcareous nannoplankton edited by Bilal U. Haq 1983 Catalogue of index Foraminifera Ellis, Brooks Fleming 1965 Catalogue of the fossil Cephalopoda in the British Museum (Natural History Spath, L. F. 1951 Catalogue of the fossil Cephalopoda in the British Museum (Natural History) Spath, L.F. 1934 Colbert's evolution of the vertebrates Colbert, Edwin Harris 2001 Colbert's evolution of the vertebrates Colbert, Edwin H. 2001 Dinosaur book Colbert, Edwin H. 1945 Dipterous insects Walker, Louis J. 2013 Evolution emerging Gregory, William K. 1951 Evolution of the vertebrates Colbert, Edwin H. 1980 Evolution of the vertebrates Colbert, Edwin H. 1980 Evolution of the vertebrates Colbert, Edwin H. 1955