Haeckel and Paleontology. A) Ernst Haeckel at Christmas 1860, B) and in 1913 (edging by Karl Bauer, from: W. Haeckel 1914). C) ‘“Phylogenetic tree of vertebrates based on paleontological evidence” [„Stammbaum der Wirbeltiere palaeontologisch begründet”] (Haeckel 1866, plate VII).

  Part of: Werneburg I, Hossfeld U, Levit GS (2022) Discovery of rare lecture notes from 1866 provides exceptional insights into the conceptualization and visualization of paleontology by Ernst Haeckel. Vertebrate Zoology 72: 577-597. https://doi.org/10.3897/vz.72.e84983