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The fossils played a part in both Celtic and Norse mythology, were venerated, associated with burials, woven into myths and legends and used when making tools and decorative objects. [6] These fossils are commonly known as thunderstones, fairy loaves or shepherds' crowns. [1] Echinoid fossils are sometimes found associated with archaeological ...
Echinolampas. This list of prehistoric echinoids is an attempt to create a comprehensive listing of all genera from the fossil record that have ever been considered to be echinoids, excluding purely vernacular terms.
Archaeocidaris is an extinct genus of echinoid that lived from the Late Devonian to the Late Permian. Its remains have been found in Africa , Europe , and North America . Archaeocidaris plates and spines from the Bird Spring Formation (Carboniferous) exposed in Kyle Canyon, Spring Mountains, southern Nevada.
The earliest echinoid fossils date to the Middle Ordovician period (circa 465 Mya). [47] [48] [49] There is a rich fossil record, their hard tests made of calcite plates surviving in rocks from every period since then. [50] Spines are present in some well-preserved specimens, but usually only the test remains. Isolated spines are common as fossils.
Echinocorys is an extinct genus of echinoids that lived from the Late Cretaceous to the Paleocene. The genus belongs to the Holasteridae family. Its remains have been found in Asia , Europe , Australia ( Oceania ) and North America .
Conulus Temporal range: Cretaceous 125.0–65.5 Ma Pre๊ ๊ O S D C P T J K Pg N Scientific classification Domain: Eukaryota Kingdom: Animalia Phylum: Echinodermata Class: Echinoidea Order: Echinoneoida Family: † Conulidae Genus: † Conulus Leske, 1778 Synonyms Pyrina Des Moulins, 1835 Conulus is an extinct genus of echinoids (sea urchins) that lived in the Cretaceous. Remains of Conulus ...
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The timeline of the evolutionary history of life represents the current scientific theory outlining the major events during the development of life on planet Earth. Dates in this article are consensus estimates based on scientific evidence , mainly fossils .