▁spaces ▁of ▁about ▁the ▁same ▁width , ▁cross ▁the ▁wh or ls ▁from ▁s uture ▁to ▁s uture , ▁faint ly ▁defined ▁on ▁the ▁subs ut ural ▁band , ▁and ▁most ▁prominent ▁just ▁below ▁it . ▁On ▁the ▁body ▁wh or l , ▁these ▁gradually ▁la de ▁away ▁at ▁the ▁base ▁of ▁the ▁si phon , ▁and ▁appear ▁on ▁the ▁si ph onal ▁canal ▁as ▁consp ic uous , ▁much ▁cur ved ▁lines ▁of ▁growth . ▁Micro scop ic ▁st ria e ▁intersect ▁the ▁fine ▁lines ▁of ▁growth , ▁giving ▁to ▁the ▁entire ▁surface ▁of ▁the ▁shell ▁ ▁a ▁peculiar ▁cr ink led ▁appearance . ▁The ▁proto con ch ▁is ▁broad , ▁bl unt , ▁smooth , ▁somewhat ▁sh ining , ▁consisting ▁of ▁two ▁and ▁a ▁half ▁wh or ls . ▁The ▁ap ical ▁wh or l ▁is ▁large , ▁rising ▁very ▁little ▁above ▁the ▁succeed ing ▁one . ▁ ▁Distribution ▁This ▁marine ▁species ▁occurs ▁off ▁North ▁Carolina ▁and ▁South ▁Carolina , ▁USA , ▁at ▁depth s ▁between ▁ 1 3 7 ▁and ▁ 2 6 0 ▁m ▁ ▁References ▁▁ ▁Abb ott , ▁R . T . ▁( 1 9 7 4 ). ▁American ▁Se ash ells . ▁ 2 nd ▁ed . ▁Van ▁N ost rand ▁Rein hold : ▁New ▁York , ▁NY ▁( USA ). ▁ 6 6 3 ▁pp ▁ ▁External ▁links ▁▁ ▁T ucker , ▁J . K . ▁ 2 0 0 4 ▁Catalog ▁of ▁recent ▁and ▁foss il ▁t urr ids ▁( M oll us ca