▁at ▁Sof as ound ▁ ▁The ▁Gold berg ▁Vari ations , ▁The ▁Plan ets , ▁at ▁The ▁Organ ▁Work shop ▁ ▁Category : 1 9 4 9 ▁birth s ▁Category : L iving ▁people ▁Category : English ▁organ ists ▁Category : M ale ▁organ ists ▁Category : V an ▁der ▁Gra af ▁Gener ator ▁members ▁Category : Pe ople ▁educated ▁at ▁Sil co ates ▁School ▁Category : Progress ive ▁rock ▁organ ists ▁Category : 2 1 st - century ▁organ ists ▁Category : 2 1 st - century ▁British ▁male ▁mus icians <0x0A> </s> ▁Ed ap has pis ▁by st row i ▁is ▁an ▁ext inct ▁am phi asp id id ▁cy ath asp id id ▁heter ost rac an . ▁Its ▁foss ils ▁are ▁restricted ▁to ▁early ▁Dev onian - aged ▁marine ▁str ata ▁of ▁the ▁Ta im yr ▁Pen ins ula , ▁Early ▁Dev onian ▁Si ber ia . ▁ ▁E . ▁by st row i , ▁as ▁with ▁all ▁other ▁am phi asp id ids , ▁is ▁thought ▁to ▁have ▁been ▁a ▁b enth ic ▁filter ▁fe eder ▁that ▁lived ▁on ▁top ▁of , ▁or ▁buried ▁just ▁below ▁the ▁surface ▁of ▁the ▁substr ate ▁of ▁hyp ers al ine ▁l ago on - bottom s . ▁ ▁It ▁is ▁the ▁only ▁representative ▁of ▁the ▁family ▁Ed aph asp id idae . ▁ ▁An atom y ▁E . ▁by st row i ▁is ▁known ▁from ▁a ▁mostly ▁complete ▁ce phal oth or ac ic ▁arm or ▁that ▁is ▁ 1 6