Fossil vertebrates of Africa, Vol.1

nork Leakey, L S B, Ed
Argitaratua 1969

Eolutionary paleoecology of the marine biosphere

nork Valentine, James W
Argitaratua 1973

Introduction to paloebiology and the fossil record

nork Benton, Michael J; Harper, David
Argitaratua 2009

Principles of invertebrate paleontology

nork Shrock, Robert R; Twenhofel, William H
Argitaratua 1953

Invertebrate paleontology

nork Easton, W H
Argitaratua 1960

Fossil vertebrates

nork Patterson, Colin, Ed.; Greenwood, P H, Ed
Argitaratua 1967

Fossil vertebrates of Africa, Vol.2

nork Leakey, L S B, Ed.; Savage, R J G, Ed
Argitaratua 1970

Principles of paleontology

nork Raup, David M; Stanley, Steven M
Argitaratua 1971

Stratigraphical palaeontology: A study of ancient life provinces

nork Neaverson, E
Argitaratua 1955