page_title: Timeline of Permian research
section_title: 19th century
hierarchical_section_title: Timeline of Permian research / 19th century
caption_attribution_description: Diplocaulus magnicornis, an early permian lepospondyli, pencil drawing, digital coloring
context_page_description: This timeline of Permian research is a chronological listing of events in the history of geology and paleontology focused on the study of earth during the span of time lasting from 298.9–252.17 million years ago and the legacies of this period in the rock and fossil records.
context_section_description: 1828
  Brongn described the new genera Calamites and Glossopteris.
  1854
  Meyer described the new genus Arthropleura.
caption: Diplocaulus
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