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Trilobite Fossil

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INFORMATION
TIME SCALE
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Trilobites are a class of extinct arthropod marine creatures. This specimen is of the genus Flexicalymene which lived between 425-500 million years ago. Flexicalymene are used as an index fossil in the Ordovician Period.

It can be difficult to grasp how long ago these creatures lived. For perspective, dinosaurs lived closer in time to us than these trilobites lived to dinosaurs.

Species:  Flexicalymene
Era:
Ordovician (500–425 million years ago)
Location: 
Morocco

These photos are representative of our current inventory. You may not receive these exact specimens. We prioritize sending the biggest specimens first.

 

More info:

Thanks to their easily fossilized exoskeletons, we now have a very extensive history of these creatures. We know of about 17,000 species which lived from 521 million years ago until the Permian–Triassic extinction event 252 million years ago.

TIME SCALE

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
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Fossils
Trilobite Fossil

Trilobite Fossil

$24.00$6.00
Small (1-2")
Large (2-3")
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