description Nucleolites scutatus Overview
Nucleolites scutatus is an extinct species of irregular sea urchin belonging to the cassiduloid order, first described by the French naturalist Lamarck in 1816. This prehistoric echinoid is recognized by its compact, shield-like test, or shell, which indicates a burrowing lifestyle in soft marine sediments. Fossils of this species are primarily found in Jurassic-era rock formations across Europe. Paleontologists study Nucleolites scutatus to understand the evolutionary adaptations of irregular echinoids.
help Nucleolites scutatus FAQ
What kind of animal is Nucleolites scutatus?
Nucleolites scutatus is an extinct species of cassiduloid sea urchin. It lived during the Mesozoic Era and is now found only as a fossil. It is scientifically recognized by its compact, shield-like irregular test (shell).
When was Nucleolites scutatus first described?
This extinct sea urchin was officially described by the famous French naturalist Lamarck in 1816. It belongs to the cassiduloid order, which includes many irregularly shaped urchins. Fossils of this species are frequently found in Jurassic rock formations.
What does the Nucleolites scutatus fossil look like?
The fossil is recognized by its compact, shield-like irregular test, meaning its shell is not perfectly round like a modern sea urchin. It usually features distinctive petal-like patterns on its upper surface. The shape adapted it for life burrowing in soft sediment on the ancient sea floor.
Where are Nucleolites scutatus fossils found?
Fossils of this extinct cassiduloid sea urchin are commonly discovered throughout Europe. They are frequently unearthed in limestone and chalk deposits dating back to the Jurassic period. Because Lamarck described it in 1816, it has become an important index fossil for dating geological strata.
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