Dendraster

{{Short description|Genus of sea urchins}}

{{Italic title}}

{{Taxobox

| name = Eccentric Sand Dollar or
Western Sand Dollar

| image = Eccentric sand dollar.jpg

| image_caption = Ganges Harbour, British Columbia, Canada

| regnum = Animalia

| phylum = Echinodermata

| classis = Echinoidea

| ordo = Clypeasteroida

| subordo = Scutellina

| familia = Dendrasteridae

| familia_authority = Lambert, 1900

| genus = Dendraster

| genus_authority = L. Agassiz, 1847[http://www.marinespecies.org/Echinoidea/aphia.php?p=taxdetails&id=512706 Dendraster], The World Echinoidea Database

}}

Dendraster is a genus of sand dollars of the family Dendrasteridae[http://www.marinespecies.org/Echinoidea/aphia.php?p=taxdetails&id=510665 Dendrasteridae], The World Echinoidea Database within the order Clypeasteroida. The extant species in this genus are found in the northeast Pacific Ocean from Alaska to Baja California.Mooi, R. (1997). [http://www.ingentaconnect.com/content/umrsmas/bullmar/1997/00000061/00000002/art00009?crawler=true Sand Dollars of the genus Dendraster (Echinoidea: Clypeasteroida): Phylogenetic systematics, heterochrony, and distribution of extant species.] Bulletin of Marine Species 61(2): 343–375. The best-known, most common and widespread species is D. excentricus.