Species: Mammuthus primigenius
Era: Pleistocene
Location: Alaska
Dimensions: 7.09 x 2.44 x 0.95 inches (18.00 x 6.20 x 2.41 cm)
This Pleistocene paperweight is much more than just an ancient accessory. The grinding surface of a Woolly Mammoth tooth has been cut and polished to reveal the inner structure and colorful pattern leaving the natural surface intact with undulated bands of the herbivorous dentition in bold contrast.
Custom metal stand included.
This table contains the geological time periods of the past 2.5 billion years on Earth to aid in understanding age immense age of these fossils.
(Ma = Mega-annum = 1,000,000 years)EON | ERA | PERIOD | EXTENT (Ma) | DURATION (Ma) |
---|---|---|---|---|
Phanerozoic | Cenozoic | Quaternary | 2.588–Present | 2.588+ |
Neogene | 23.03–2.588 | 20.4 | ||
Paleogene | 66.0–23.03 | 42.9 | ||
Mesozoic | Cretaceous | 145.5–66.0 | 79.5 | |
Jurassic | 201.3–145.0 | 56.3 | ||
Triassic | 252.17–201.3 | 50.9 | ||
Paleozoic | Permian | 298.9–252.17 | 46.7 | |
Carboniferous | 358.9–298.9 | 60 | ||
Devonian | 419.2–358.9 | 60.3 | ||
Silurian | 443.4–419.2 | 24.2 | ||
Ordovician | 485.4–443.4 | 42 | ||
Cambrian | 541.0–485.4 | 55.6 | ||
Proterozoic | Neoproterozoic | Ediacaran | 635.0–541.0 | 94 |
Cryogenian | 850–635 | 215 | ||
Tonian | 1,000–850 | 150 | ||
Mesoproterozoic | Stenian | 1,200–1,000 | 200 | |
Ectasian | 1,400–1,200 | 200 | ||
Calymmian | 1,600–1,400 | 200 | ||
Paleoproterozoic | Statherian | 1,800–1,600 | 200 | |
Orosirian | 2,050–1,800 | 250 | ||
Rhyacian | 2,300–2,050 | 250 | ||
Siderian | 2,500–2,300 | 200 | ||