{"thcode":2,"term":{"code":861,"name":"paleontology","parent":291,"scope":"Study of life in past geologic time based on fossil plants and animals."},"uf":[{"name":"paleozoology","usewith":false},{"name":"phylogeny","usewith":false},{"name":"taphonomy","usewith":false}],"bt":[{"code":291,"name":"earth sciences","parent":1019,"scope":"Broad term for all science related to the study of the earth."},{"code":1019,"name":"sciences","parent":1,"scope":"Major educational fields, fields of study, and professional groupings within USGS."},{"code":1,"name":"Categories","parent":null,"scope":"Thematic terms for categorizing information resources.  This thesaurus is intended to support finding and understanding scientific information."}],"nt":[{"code":604,"name":"invertebrate paleontology","parent":861,"scope":"Branch of paleontology which deals with fossil animals without backbones."},{"code":738,"name":"micropaleontology","parent":861,"scope":"Branch of paleontology dealing with fossils too small to be seen without a microscope."},{"code":858,"name":"paleobotany","parent":861,"scope":"Branch of paleontology concerned with the study of fossil plants and plant life in the geologic past."},{"code":1267,"name":"vertebrate paleontology","parent":861,"scope":"Branch of paleontology dealing with fossil animals that have spinal columns."}],"rt":[{"code":115,"name":"biostratigraphy","parent":1104,"scope":"Branch of geology concerned with the separation and differentiation of rock units based on the fossils they contain."},{"code":414,"name":"fossils","parent":1005,"scope":"Recognizable remains such as bones, shells, leaves, burrows, impressions, or tracks of past life on the earth."},{"code":455,"name":"geologic history","parent":287,"scope":"Record (and inferred reconstruction) of the origin and development of the earth since its formation."},{"code":569,"name":"ichnofossils","parent":414,"scope":"Fossilized remains of the traces of animal activity from different geologic time periods including burrows, tracks, trails, borings, and other features found in sedimentary structures."},{"code":650,"name":"life sciences","parent":1019,"scope":"Branches of science that study living and fossil organisms."},{"code":859,"name":"paleoceanography","parent":818,"scope":"Study of the oceans in the geologic past, including their physical, chemical, biologic, and geologic history."}]}