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Table 1 The number of trace and body fossils by their preservational type and age

From: The fossil record and taphonomy of butterflies and moths (Insecta, Lepidoptera): implications for evolutionary diversity and divergence-time estimates

  Trace fossils Body fossils
Time intervals CI AM SI SA PE CI AM SI SR GC AS PE
Early Jurassic 1 0 0 0 0 14 0 0 0 0 0 0
Middle Jurassic 0 0 0 0 0 5 0 0 0 0 0 0
Late Jurassic 0 0 0 0 0 6 0 0 0 0 0 0
Early Cretaceous 47 0 0 0 0 15 26 0 0 0 0 0
Late Cretaceous 29 0 0 0 0 1 31 1 1 0 0 0
Early Paleocene 4 0 0 0 0 1 0 0 0 0 0 0
Middle Paleocene 0 0 0 0 0 1 0 0 0 0 0 0
Late Paleocene 3 0 0 0 0 1892 0 0 0 0 0 0
Early Eocene 4 0 0 0 0 12 0 0 0 0 0 0
Middle Eocene 28 111 0 0 0 18 1532 37 0 4 0 0
Late Eocene 6 0 0 0 0 67 5 0 0 0 0 0
Early Oligocene 0 0 0 0 0 27 1 1 0 0 0 0
Late Oligocene 2 0 4 0 0 12 0 2 0 0 0 0
Early Miocene 9 2 0 0 0 61 44 2 0 0 0 0
Middle Miocene 15 0 0 1 0 14 1 0 0 0 0 0
Late Miocene 7 0 20 0 0 14 0 0 0 0 0 0
Early Pliocene 2 0 0 0 0 0 0 0 0 0 0 0
Late Pliocene 24 0 0 0 0 52 0 1 0 0 1 0
Pleistocene 0 0 8 0 1 2 18 0 296 0 1 1
Holocene 0 0 0 0 0 3 4 2 4 0 0 0
  1. Columns other than time intervals indicate preservation types: AM, amber and copal; AS, asphaltum and tar sands; CI, compressions and impressions; GC, gut contents and coprolites; PE, peat and lignite; SA, salt deposits; SR, sieved residues; and SI, silica and other forms of permineralization.