common sand dollar
- kingdom: Animalia
- phylum: Echinodermata
- class: Echinoidea
- order: Clypeasteroida
- family: Echinarachniidae
- genus: Echinarachnius
- species: Echinarachnius parma
San Miguel de Cozumel
Quintana Roo
MexicoDutch Harbor
Unalaska
AlaskaMonterey
Pacific Grove
CaliforniaNoank
ConnecticutEastport
MaineBourne
Dennis
East Dennis
Orleans
Provincetown
Massachusetts
United States