Paleontology is concerned with the origin, evolution and distribution of life forms, from organisms to ecosystems, in relation to the inanimate physical structures in which they are embedded. From paleontology’s earliest stages a prominent methodology has focused on the study of fossil remains of organisms, as evidence of life’s evolutionary changes and as clues for identifying strata.
Paleontology has several specialties; our guide divides them into two sections:
Subject Specialty I covers:
Subject Specialty II covers:
Published by Joseph Leidy, this is the first illustration in print of Hadrosaurus bones, from Cretaceous Reptiles of the United States, 1865. Series: Smithsonian Contributions to Knowledge, volume 14.