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令人驚嘆的天然化石 - 動物化石 - Crinoid - 19 cm - 13 cm
編號 83198963
編號 83198963
Stunning natural crinoid stem fossils
Echinoderms from the Ordovician
Size: 19x13x4cm
This is a very rare fossil. Each one is unique.
The hard parts of crinoids include crown, stem, and root. Crinoids are often divided into two categories: sessile crinoids and sessile crinoids.
The fossil is a stalked crinoid.