description Discoides subuculus Overview
Discoides subuculus is an extinct species of irregular sea urchin (echinoid) from the Cretaceous period, known primarily from chalk deposits in northwest Europe. As an irregular echinoid, it had a flattened, bilateral body form adapted to infaunal burrowing in soft seafloor sediments. The species is documented in the paleontological literature as a characteristic chalk facies fossil and was originally described in the late 18th century.
help Discoides subuculus FAQ
What is Discoides subuculus?
Discoides subuculus is an extinct species of irregular sea urchin from the Cretaceous period. It is known mainly from chalk deposits in northwest Europe.
How did Discoides subuculus live?
Its flattened, bilateral body was adapted for burrowing into soft seafloor sediment. That lifestyle differs from the more radial form and surface habits associated with many regular sea urchins.
Where are fossils of Discoides subuculus found?
The species is known primarily from chalk deposits in northwest Europe. Chalk formed from marine sediments, so these fossils record an ancient seafloor environment.
Was Discoides subuculus a regular sea urchin?
No, it was an irregular echinoid. Its bilateral symmetry and flattened body are features linked to a burrowing way of life.
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