. 4   mm . ▁ ▁Distribution ▁This ▁ext inct ▁marine ▁species ▁was ▁found ▁in ▁the ▁Al um ▁Bl uff ▁Group , ▁Florida , ▁USA ▁ ▁References ▁ ▁External ▁links ▁ ▁a ster ia ▁Category : G ast rop ods ▁described ▁in ▁ 1 9 4 7 <0x0A> </s> ▁Henri ▁An ger ▁( 8 ▁June ▁ 1 9 0 7 ▁– ▁ 1 9 8 9 ) ▁was ▁a ▁French ▁journalist ▁and ▁writer . ▁Enter ed ▁at ▁T élé gram me ▁de ▁Br est ▁et ▁de ▁l ' O uest ▁in ▁ 1 9 4 4 , ▁he ▁became ▁its ▁chief ▁editor ▁in ▁ 1 9 6 5 . ▁He ▁used ▁to ▁sign ▁his ▁columns ▁under ▁the ▁pseud onym ▁K erd an iel . ▁ ▁After ▁he ▁finished ▁his ▁studies ▁at ▁l yc ée ▁de ▁N antes , ▁he ▁became ▁a ▁journalist ▁at ▁age ▁ 1 6 ▁for ▁Le ▁Pop ulaire ▁de ▁N antes . ▁ ▁Henri ▁An ger ▁won ▁the ▁ 1 9 8 3 ▁edition ▁of ▁the ▁Prix ▁Roland ▁de ▁J ou ven el ▁awarded ▁by ▁the ▁Ac adémie ▁française ▁with ▁his ▁novel ▁Une ▁petite ▁fille ▁en ▁col ère ▁as ▁well ▁as ▁the ▁ 1 9 8 8 ▁edition ▁of ▁the ▁Prix ▁des ▁Deux ▁Mag ots ▁with ▁his ▁novel ▁La ▁M ille - et - Uni ème ▁R ue . ▁ ▁Works ▁▁ 1 9 7 9 : ▁Ch atte ▁alla it ant ▁un ▁our son , ▁Gr asset ▁ 1 9 8 0 : ▁L ' An ▁Qu arante ,