description Pourtalesia miranda Overview
Pourtalesia miranda is a species of deep-sea sea urchin belonging to the order Holasteroida. It was first described by the American zoologist Alexander Agassiz in 1869, based on specimens collected during the Hassler Expedition. This echinoid is adapted to abyssal environments and has been recorded at depths of approximately 2,000 meters in the eastern Pacific Ocean, exhibiting the specialized morphology typical of deep-sea marine life.
help Pourtalesia miranda FAQ
What type of animal is Pourtalesia miranda?
Pourtalesia miranda is a species of deep-sea holasteroid sea urchin. Unlike shallow-water urchins, it is specially adapted to survive the extreme pressures of the deep ocean environment.
Where was Pourtalesia miranda discovered?
This sea urchin was recorded from depths near 2,000 meters in the eastern Pacific Ocean. The species was officially described by the American scientist Alexander Agassiz in 1869.
How does Pourtalesia miranda survive in the deep sea?
Like many deep-sea urchins, Pourtalesia miranda feeds by extracting organic matter from the muddy seabed sediment. Its physiology is specifically adapted to withstand the crushing hydrostatic pressures of abyssal depths.
Who named the Pourtalesia miranda sea urchin?
The sea urchin was named by Alexander Agassiz, a prominent 19th-century American marine biologist. He described it in 1869 based on specimens gathered during early deep-sea dredging expeditions.
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