▁away ▁sand , ▁and ▁picked ▁up ▁by ▁su ction ▁from ▁the ▁sea ▁bed . ▁It ▁is ▁an ▁un common ▁species . ▁ ▁References ▁ ▁External ▁links ▁▁▁ ▁Category : O stra ci idae ▁Category : T ax a ▁named ▁by ▁Giovanni ▁Giuseppe ▁Bian con i ▁Category : F ish ▁described ▁in ▁ 1 8 4 6 <0x0A> </s> ▁Greg ▁Nicol ▁( born ▁ 2 ▁April ▁ 1 9 7 5 ) ▁is ▁a ▁South ▁African ▁former ▁field ▁hockey ▁player ▁who ▁competed ▁in ▁the ▁ 1 9 9 6 ▁Summer ▁Olympics ▁and ▁in ▁the ▁ 2 0 0 4 ▁Summer ▁Olympics . ▁ ▁References ▁ ▁Category : 1 9 7 5 ▁birth s ▁Category : L iving ▁people ▁Category : S outh ▁African ▁male ▁field ▁hockey ▁players ▁Category : O lymp ic ▁field ▁hockey ▁players ▁of ▁South ▁Africa ▁Category : Field ▁hockey ▁players ▁at ▁the ▁ 1 9 9 6 ▁Summer ▁Olympics ▁Category : Field ▁hockey ▁players ▁at ▁the ▁ 2 0 0 4 ▁Summer ▁Olympics ▁Category : 2 0 0 2 ▁Men ' s ▁Hockey ▁World ▁Cup ▁players ▁Category : Field ▁hockey ▁players ▁at ▁the ▁ 1 9 9 8 ▁Commonwealth ▁Games ▁Category : Field ▁hockey ▁players ▁at ▁the ▁ 2 0 0 2 ▁Commonwealth ▁Games ▁Category : Common wealth ▁Games ▁compet itors ▁for ▁South ▁Africa <0x0A> </s> ▁David ▁Scott ▁Ro z ema ▁ ▁( born ▁August ▁ 5 , ▁ 1 9 5 6 ) ▁is ▁a ▁former ▁pitch er ▁in ▁Major ▁League ▁Baseball ▁who ▁played ▁from ▁ 1 9 7 7