@ Dr. Heinz Lycklama
Animal and Plant Kingdom Fossils
nAll classes of the animal kingdom are represented from the Cambrian onward, except:
nMoss-coral (Ordovician onward)
nInsects (Devonian onward)
nGraptolites (Cambrian to Carboniferous)
nTrilobites (Cambrian to Permian)
nAll phyla of the plant kingdom are represented from the Triassic onward, except:
nBacteria, algae, fungi (Precambrian onward)
nBryophytes, pteridophytes (Silurian onward)
nSpermophytes (Carboniferous onward)
nDiatoms (Jurassic onward)