1. The eon following the Hadean time and preceding the Phanerozoic eon; from about 3,800 million years ago until 544 million years ago
   - Precambrian eon, Precambrian aeon, Precambrian period

Type of: aeon, eon

Encyclopedia: Precambrian

• stegosaur
• Stegosaur stenops
• stegosaurus
• Steichen
• stein
• Steinbeck
• Steinberg
• steinbok
• Steinem
• Steiner
• Steinert's disease
• Steinman
• Steinmetz
• Steinway
• stela
• stele
• stelis
• Stella
• stellar
• stellar parallax
• Stellar's sea eagle
• Stellaria
• Stellaria holostea
• Stellaria media
• stellate