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Top Results for Echinoid

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Best 1 Melonechinus

Melonechinus is an extinct genus of echinoids, the group that includes sea urchins, known from Carboniferous fossil deposits. Its fossil remains represent the rigid test, or shell-like skeleton, of an ancient sea urchin rather than a living marine animal. The genus is studied in palaeontology as par...

7.76 Good
Why this score

Large size, unusual plated body, and Carboniferous prominence earn strong fossil interest and evolutionary significance.

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2 Aeropsis fulva

Aeropsis fulva is a species of sea urchin in the family Aeropsidae and the order Spatangoida. The Ocean Biodiversity Information System lists its common name as the tawny heart sea urchin and places it within the genus Aeropsis. It is a taxonomic entry for a heart-urchin species, so the name is most...

6.32 Fair
Why this score

Elongated test and deep Atlantic adaptation interest specialists, though rarity and low visibility limit broader appreciation.

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