IdahoPTV Home > Science Trek > Fossils > Glossary
Fossils: Glossary
A
- ammonites
- An extinct shelled creature
B
- body fossils
- Fossils of bodies of living creatures - includes bones, feathers, skin, fur and teeth
C
- cephalopods
- Marine animals that include squid, octopus and other boneless animals
D
- decaying
- rotting
I
- invertebrates
- Animals without a spine
O
- organisms
- Living things
P
- Paleozoic Era
- Between 251 million to 542 million years ago
- plant fossils
- Fossils of leaves, seeds, bark, etc.
- prehistoric
- Before anyone was around to write history
- preserved
- Kept from decaying
S
- sedimentary rocks
- Rocks formed by layering of material in water
- stromatolites
- Layered mound fossils - oldest known fossils
T
- trace fossils
- Footprint fossils - also eggs, leaf impressions, anything that leaves just a trace of evidence
- trilobites
- Extinct marine animal
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