description Eucidaris tribuloides Overview
Eucidaris tribuloides is a species of cidaroid sea urchin found in the Caribbean Sea and western Atlantic Ocean, first described by Jean-Baptiste Lamarck in 1816. Commonly known as the slate pencil urchin, it has thick, blunt spines typical of cidaroids, a group considered morphologically primitive among living echinoids. The species inhabits coral reefs and rocky substrates and has been used in developmental biology research on sea urchin embryology.
help Eucidaris tribuloides FAQ
What is the common name for Eucidaris tribuloides?
It is commonly known as the slate pencil urchin. It is a distinctive species of cidaroid sea urchin.
Where is Eucidaris tribuloides found in the wild?
This sea urchin is naturally found in the Caribbean Sea and the western Atlantic Ocean. It thrives in the warm, tropical reef environments of these regions.
What does the slate pencil urchin look like?
Eucidaris tribuloides has thick, blunt spines that are typical of the morphologically primitive cidaroid group. These heavy, rounded spines distinguish it from other urchins that have sharp, needle-like spikes.
Who first scientifically described Eucidaris tribuloides?
The species was first described by the French naturalist Jean-Baptiste Lamarck in 1816. It is considered an evolutionarily important, morphologically primitive species.
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