Proceedings of the United States National Museum · 1889 · 49 citations · 0 references
Natural SciencesBiologyPaleontologyPaleobotanyPaleoecologySystematic PaleontologyBrachiopod PaleontologyFossil BryophytesFossil IdentificationFossil PlantsFossil RecordCambrian AnnelidsCambrian CnidariansFossil ClassificationPaleontological Species ConceptsSystematic Paleobotany
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.