cre ▁course ▁was ▁put ▁up ▁for ▁sale ▁in ▁April ▁ 1 9 3 0 . ▁ ▁References ▁ ▁Category : Def unct ▁horse ▁racing ▁ven ues ▁in ▁England ▁Category : Def unct ▁grey h ound ▁racing ▁ven ues ▁in ▁the ▁United ▁Kingdom <0x0A> </s> ▁H eli aster ▁sol aris ▁commonly ▁known ▁as ▁ 2 4 - rayed ▁s unst ar ▁is ▁a ▁possibly ▁ext inct ▁sea ▁star ▁which ▁was ▁known ▁from ▁the ▁waters ▁near ▁Españ ola ▁Island ▁in ▁the ▁Gal á pag os ▁Islands . ▁ ▁Description ▁H eli aster ▁sol aris ▁had ▁ 2 2 ▁to ▁ 2 4 ▁cyl ind rical ▁and ▁el ong ated ▁more ▁or ▁less ▁distinct ly ▁band ed ▁ray s ▁which ▁were ▁tap ering ▁at ▁the ▁ends . ▁They ▁were ▁one ▁third ▁longer ▁than ▁the ▁diameter ▁of ▁the ▁body . ▁The ▁d ors al ▁rows ▁of ▁the ▁sp ines ▁were ▁longer ▁and ▁more ▁com pressed . ▁The ▁sp ines , ▁p edic ell aria e , ▁and ▁the ▁madre por ic ▁plate ▁were ▁light ▁yellow ish . ▁ ▁Tax onomy ▁This ▁species ▁was ▁first ▁mentioned ▁by ▁John ▁Edward ▁Gray ▁in ▁ 1 8 4 0 ▁in ▁the ▁Ann als ▁and ▁Magazine ▁of ▁Natural ▁History ▁as ▁A ster ias ▁mult ir adi ata ▁and ▁later ▁as ▁H eli aster ▁mult ir adi atus . ▁Due ▁to ▁the ▁fact ▁that ▁Carl ▁Lin na eus ▁used ▁the ▁name ▁A ster ias ▁mult ir adi ata ▁( current ▁accepted ▁name : ▁Cap ill aster ▁mult ir adi ata ) ▁already ▁in