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Sean McCrea updated their own Fossil #018840 7 years, 2 months ago
7 years, 2 months ago7 years, 2 months agoClassification
From
common
Sea Urchin
To
common
From
phylum
Echinoid
To
phylum
Echinodermata
From
class
To
class
Echinoidea
From
order
To
order
Echinoida
