echinoid sentence examples

• Derived fossils can be collected along the foreshore including echinoid 's in flint, shells and occasional mammal bones.
• The irregular echinoids are, however, quite a different story.
• Ramsgate behind the busy port of ramsgate, high chalk cliffs yield echinoid 's and shells.
• On the foreshore during scouring tides, the chalk yields echinoids and sponges.

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