us ▁stri atus ▁jul ia all ary ae ▁C oss ign ani , ▁ 2 0 1 3 ) ▁ ▁Con us ▁stri atus ▁o ahu ensis ▁( T ucker , ▁Ten orio ▁& ▁Chan ey , ▁ 2 0 1 1 ) ▁( syn onym : ▁P iono con us ▁stri atus ▁o ahu ensis ▁T ucker , ▁Ten orio ▁& ▁Chan ey , ▁ 2 0 1 1 ) ▁ ▁Con us ▁stri atus ▁stri atus ▁Lin na eus , ▁ 1 7 5 8 ▁( syn onym s : ▁Con us ▁sub fl or id us ▁da ▁Mot ta , ▁ 1 9 8 5 ; ▁P iono con us ▁stri atus ▁stri atus ▁( Lin na eus , ▁ 1 7 5 8 )) ▁ ▁Description ▁ ▁The ▁large , ▁sl im ▁shell ▁has ▁a ▁varying ▁length ▁between ▁ 4 4   mm ▁and ▁ 1 2 9   mm . ▁It ▁is ▁irregular ly ▁cloud ed ▁with ▁p ink - white ▁and ▁ch est nut ▁or ▁ch oc olate , ▁with ▁fine ▁close ▁revol ving ▁st ria e , ▁forming ▁the ▁dark er ▁ground - color ▁by ▁close ▁colored ▁lines . ▁The ▁pointed ▁sp ire ▁is ▁t ess ell ated ▁with ▁ch est nut ▁or ▁ch oc olate ▁brown ▁and ▁white . ▁Its ▁shoulders ▁are ▁rounded ▁and ▁its ▁s ut ures ▁deep . ▁The ▁wh or ls ▁are ▁slightly ▁ch anne led , ▁car inate ▁and ▁stri ate . The ▁outer ▁lip ▁shows ▁a ▁pron ounced ▁posterior ▁f