The study of pollen is called palynology and is highly useful in paleoecology, paleontology, archeology, and forensics.
en.wikipedia.org He made numerous contributions in the fields of paleontology and biological evolution.
en.wikipedia.org He specialized in invertebrate paleontology, stratigraphy, and sedimentary petrology.
en.wikipedia.org He was engaged in paleontology, stratigraphy, tectonics, paleoclimatology, applied geology, geological mapping, and hydrography.
en.wikipedia.org The synthesis drew together ideas from several branches of biology which had become separated, particularly genetics, cytology, systematics, botany, morphology, ecology and paleontology.
en.wikipedia.org