▁The ▁IU CN ▁red ▁list ▁of ▁end anger ed ▁species ▁lists ▁it ▁as ▁vulner able . ▁ ▁Description ▁ ▁These ▁sn ails ▁are ▁between ▁ 3 ▁and ▁ 4   mm ▁long ▁and ▁ 1 . 1 ▁to ▁ 1 . 3   mm ▁wide . ▁Their ▁el ong ated ▁shell s ▁are ▁light ▁brown ▁with ▁fine ▁rib bing ▁( 6 0 - 7 0 ▁rib s ▁with ▁a ▁pen ult imate ▁wh or l ). ▁The ▁a pert ural ▁margin ▁in ▁later al ▁view ▁is ▁ob lique ▁/ ▁and ▁(- sh aped , ▁with ▁an ▁ex agger ated ▁, ▁and ▁a ▁P - like ▁opening ▁at ▁the ▁s uture ▁in ▁the ▁last ▁quarter ▁of ▁the ▁last ▁wh or l . ▁There ▁is ▁no ▁cer v ical ▁call us . ▁ ▁The ▁a pert ural ▁margin ▁can ▁be ▁thick . ▁ ▁R . ▁singular is ▁is ▁possibly ▁the ▁end ▁of ▁an ▁evolution ary ▁line ▁that ▁begins ▁with ▁an ▁almost ▁straight ▁a pert ural ▁margin ▁( in ▁later al ▁view ) ▁towards ▁a ▁much ▁more ▁ob lique ▁and ▁pro tr ud ed ▁margin ▁with ▁the ▁need le ▁sn ail ▁having ▁the ▁longest ▁ ▁along ▁the ▁s uture . ▁ ▁References ▁ ▁Category : R ene a ▁( g ast rop od ) ▁Category : End em ic ▁m oll us cs ▁of ▁Metropolitan ▁France ▁Category : G ast rop ods ▁described ▁in ▁ 1 9 0 5 ▁Category : T ax onomy ▁articles ▁created ▁by ▁Pol bot <0x0A> </s> ▁Dick ▁Pol man ▁is ▁the