<?xml version="1.0" encoding="utf-8"?><mads xmlns="http://www.loc.gov/mads/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mads/
mads.xsd"><authority><topic authority="http://AATesaurus.cultura.gencat.cat/aat/getty_en">Clypeastroida</topic></authority><related type="broader"><topic>Echinoidea</topic></related><variant type="other"><topic>Clypeasteroida</topic></variant><variant type="other"><topic>dollars, sand</topic></variant><variant type="other"><topic>sand dollar</topic></variant><variant type="other"><topic>sand dollars</topic></variant><variant type="other"><topic>sand-dollars</topic></variant> <note xml:lang="en"><![CDATA[ Members of an order of marine invertebrates having a flat, disk-shaped body, lacking the spherical symmetry of other echinoderms, but having five- or six-rayed markings on their surface; living on the sandy sea bottom of coastal North America south of the Arctic. ]]></note></mads>