Sand dollar

About it

Very flat, round echinoids with a five-petal flower pattern on top, some with slots or notches through the shell. Common in Neogene marine beds of California, Florida, and southern Europe.

Type

Fossil (echinoderm)

Group

Echinoid (echinoderm)

Colours

white, cream, grey, tan

Transparency

opaque

Periods

Paleogene, Neogene, Quaternary

Typical values: real specimens vary. For more, see mindat.org.