lilmrsmartin
3h ago
COINS
Ammonite Fossil
Key Facts & Value
Key Fact
Description
This is a fascinating ammonite fossil, showcasing the intricate spiral shell of an ancient marine mollusk. The fossil is embedded in a matrix of rock, suggesting its preservation over millions of years. The detailed coiling of the shell is clearly visible, offering a glimpse into prehistoric life. Its natural form and texture make it a compelling geological specimen.
History
Ammonites are extinct marine cephalopods that lived from the Devonian to the end of the Cretaceous period. They are well-known for their coiled shells, which are commonly found as fossils. Their widespread distribution and abundance in the fossil record make them important index fossils for dating rock strata. Their presence indicates past marine environments.
Facts
The spiraling pattern of ammonite shells follows a logarithmic curve, a mathematical concept found throughout nature. These fossils are highly sought after by collectors and paleontologists alike, providing invaluable data about Earth's ancient ecosystems and evolutionary history. Their beauty and scientific significance contribute to their enduring appeal.
Value Fact
Ammonite fossils vary greatly in price depending on size, preservation quality, rarity, and locality. Well-preserved specimens with clear sutures and complete coils can fetch prices from tens to hundreds of dollars, with exceptionally large or rare examples commanding higher valuations. Market demand is driven by collectors, educational institutions, and decorators seeking unique natural pieces.
Item Details
Official Details
Variation Details
lilmrsmartin Details
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