This is the internal skeleton of the a species of sand dollar (Encope sp.). Sand dollars, sea biscuits, and cake urchins belong to the clade Clypeasteroida. They occupy shallow sandy waters and have the smallest harvesting tube feet among echinoids.
Height: 13.2 mm Width: 93.2 mm Length: 96.8 mm Time: Recent Locality: N/A Specimen: UCD Geology Teaching Collection P-1041
